Identify which is the oxidation reaction and which is the reduction reason. The square is dilated by a scale factor of 0.4 with the origin as the center of... What was the most practiced religion in American besides Christianity? Hope this answers the question. Textbook on this problem asks us to classify each of these four reactions as an oxidation, a reduction or neither. Which of the following reactions does not involve oxidation- reduction? O MEASUREMENT For more information read our Terms of use & Privacy Policy, And millions of other answers 4U without ads. all of the above are oxidation/reduction reactions If the oxygen atoms are not balanced in either reaction, add water molecules to the side missing the oxygen. Usually, the change in oxidation number is associated with a gain or loss of electrons, but there are some redox reactions (e.g., covalent bonding) that do not involve electron transfer. * This preview shows page 2 - 4 out of 6 pages.. 5. Cr 2 O 7 2-+ 14H+ 2Cr3+ + 7H 2 O 2. This is an oxidation-reduction reaction. OH OH co • oxidation O reduction QUESTION 6 Choose the correct structure for the major product of the following reaction O 1. Mg + Cu 2+ → Mg 2+ + Cu ? Mg 2+ ? reactions. This is an oxidation-reduction reaction. The oxidation of iron to form iron oxideC. Oxidation occurs in the anode (the positively charged electrode) while reduction occurs at the cathode (negatively charged electrode) of the electrochemical cell. So in most cases, the Z is gonna be oxygen. Hence, the option (C) is not an oxidation-reduction reaction. Answer : The option (C) is not an oxidation-reduction reaction. (2 points) H 2 + F 2 2HF Fe + CuSO 4 FeSO 4 + Cu CuSO 4 + 2NaOH Cu(OH) 2 + Na 2 SO Cl 2 + ZnI H 2 + F 2 2HF Fe + CuSO 4 FeSO 4 … Relevance. Hydrogen has oxydation number +1, sulfur oxidation number is +6, oxygen has oxidation number -2 and barium has +2 on both sides of chemical reaction. 2 Mn3+(aq) --> Mn2+(aq) + Mn4+(aq) c. 2 KBrO3(s) --> KBr(s) + 3 O2(g) d. Ca(s) + H2SO4(aq) --> CaSO4(s) + H2(g) e. 2 HCl(aq) + MgCO3(s) --> CO2(g) + MgCl2(aq) + H2O(l) Answer Save. 1) An oxidation-reduction reaction is the oxidation of at least one element and the reduction of at least one element. Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship. Disproportionation reactions do not need begin with neutral molecules, and can involve more than two species with differing oxidation … In other reactions elements change their … But in general, yes, you need to memorize typical oxidation numbers of elements and charges of common anions and cations. An oxidation-reduction reaction happens when hydrogen, oxygen or halogen atoms are transferred, so in this case, your answer would be B. I think the correct answer from the choices listed above is option C. The reaction NaCl + LiNO3 ---> NaNO3 + LiCl is not an example of an oxidation-reduction reaction. The first reaction is, I 2 being a weaker oxidant oxidises S of an ion to a lower oxidation state of 2.5 in ion. So this is not and oxidation reduction reaction moving on to a letter F. We have to CEO reacting with oxygen to produce to co two. The spore grows into mu... Barbara D'Angelo's bank granted her a single-payment loan of $1,000 for 100 days at 12 percent exa In this reaction, the oxidation state of 'Xe' changes from (+6) to (+4) and the oxidation state of 'F a solution that is 0.10 M HF and 0.10 M LiC2H3O2 a solution that is 0.10 M HC2H3O2 and 0.10 M LiC2H3O2 a solution that is 0. Example 1. Which of the following is not an oxidation/reduction reaction? 1 decade ago. leemos... Brad's checking account starts off with a balance of $126.50. This redox reaction is actually the sum of two separate half-reactions (a reduction half-reaction and an oxidation half-reaction). Redox reactions can occur relatively slowly, as in the formation of rust, or much more rapidly, as in the case of burning fuel. $\endgroup$ – andselisk ♦ Jul 30 '19 at 12:34 When does the given chemical system reach dynamic equilibrium? to the nearest tenth. Elements in this chemical reaction do not change their oxidation number. Giulio M. Lv 5. It is the maximum oxidation state which it can … A restaurant manager states the number of customers that enter the Is nitrogen oxidizing or reducing? 2C8H18 + 25O2 16CO2 + 18H2O +6. For the following half-reaction (with electrons not present), how does the oxidation number of chromium change? (iii) An element in the free or the uncombined state bears oxidation number zero. using the map, tell one way the land will change during the second half of her trip. 1. Convergent boundaries Divergent boundaries Subduction boundaries Transform boundaries, Which of the following represents the shortest distance? Elements in this chemical reaction do not change their oxidation number. Write the half-reactions showing the oxidation and reduction reactions. Most oxidation-reduction (redox) processes involve the transfer of oxygen atoms, hydrogen atoms, or electrons, with all three processes sharing two important characteristics: (1) they are coupled—i.e., in any oxidation reaction a reciprocal reduction occurs, and (2) they involve a characteristic net chemical change—i.e., an atom or electron goes from one unit of matter to another. What makes this an oxidation-reaction? Mg(s) + Cl 2 (g) → MgCl 2 (s). Chemists therefore developed the concept of oxidation number to extend the idea of oxidation and reduction to reactions in which electrons are not really gained or lost. He depos... Civil War Beginning- Reconstruction Time Line... 5) Determine the Distance between (-3, 1) and (5,-6). In this reaction, the oxidation state of 'Zn' changes from (0) to (+2) and the oxidation state of 'Ag' changes from (+1) to (0). Potassium metal is getting converted into potassium ions. LAIHA 2. The second reaction is, Oxidation number of S in SO 4 2-=+6. oxidation neither reduction. A mushroom begins to grow underground as a single-celled "spore.” 2. What is the fourth number?​... View a few ads and unblock the answer on the site. A type of chemical reaction in which oxidation and reduction occurs is called a redox reaction, which stands for reduction-oxidation. You will receive an answer to the email. Select the single best answer. (ii) The algebraic sum of all the oxidation numbers in a compound is zero. None element was reduced and none element was oxidized, so you conclude that this is not an oxidation-reduction reaction. What is . ClO 4-1 (perchlorate ion) cannot show any disproportionation reaction. 22 Alright, oxygen is negative two So the carbon in the carbon monoxide must have an oxidation of her. Be sure to answer all parts. Question sent to expert. These are known as disproportionation reactions, with the following general equation: \[2A \rightarrow A^{+n} + A^{-n}\] Where n is the number of electrons transferred. Although oxidation reactions are commonly associated with the formation of oxides from oxygen molecules, oxygen is not necessarily included in such reactions, as other chemical species can serve the same function. Oxidation reaction : When there is an increase in oxidation state number. 3Ag2S+2Al(s) -> Al2S3+6 Ag(s)? You will get a different set of questions each time you attempt this quiz. Favorite Answer. Label the following reaction as oxidation, reduction, or neither. Oxygen on the product side has an oxidation number again of negative two. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron. Metals. Balance both reactions for all elements except oxygen and hydrogen. That means 'Xe' shows reduction and 'F' shows oxidation in the reaction. It is a double replacement type of reaction. Oxygen has undergone reduction, as its oxidation state is changing from 0 to -1. Which of the following reactions is not an example of an oxidation-reduction reaction? Since Br 2 is a stronger oxidant than I 2, it oxidises S of S 2 O 3 2-to a higher oxidation state of +6 and hence forms SO 4 2-ions. Oxidation involves an increase in the oxidation number of an atom. this means that these processes absorb energy from their surroundings in order to occur. Thus acts as oxidizing agent. No commitments. (i) The oxidation number of hydrogen is always +1. Reduction reaction : when there is a decrease in oxidation state number. That means 'I' shows reduction and 'Cs' shows oxidation in the reaction. use complete sentences to explain why or why not. Which of the following will increase the volume of a gas? Which of the following is not an oxidation-reduction reaction? a. CH₄ + 3O₂ → 2H₂O + CO₂ b. Zn + 2HCl → ZnCl₂ + H₂ c. 2Na + 2H₂O → 2NaOH + H₂ d. MnO₂ + 4HCl → 2NaOH + H₂ e. all are oxidation-reduction reactions Cu 2+ ? Which of the following solutions is a good buffer system? SO 3(g) + H 2 O(l) → HSO 4-(aq) + H + (aq). This case can be solved trivially without memorizing anything as in the first three reactions an element is a reactant, and the fourth reaction is a neutralization reaction. Oxidation and Reduction Multiple Choice Quiz. The answer that is not true is D. not all reactions have to involve oxidation and reduction. All pricing is in US dollars (USD). Is this a scientific model? 1 inch = 2.54 cm 12 in = 1 ft 5280 ft = 1 mile a. (Recall that O has an oxidation number of -2.) The subscriptoin renews automaticaly until you cancel. -2. Choose the two reactions from the following that are NOT oxidation-reduction reactions.? Zn (s) + 2HCl (aq) mc014-1. chemistry. Dissolving sugar in water to form a mixture of sugar and waterB. The oxidation of a metal by oxygen gas could then be explained as the metal atom losing electrons to form the cation (being oxidized) with the oxygen molecule gaining electrons to form oxygen anions. Award: 1.78 out of 1.78 points What alkene is needed to synthesize the following 1,2−diol using the given reagents? Al(s) is being oxidized. Plus two oxygen is an un combined element there. (i) The oxidation number of hydrogen is always +1. The oxidation state of Cl is ClO 4- ion is +7. What is this speed in mil... HELP ME PLEAS NEED HELP ASAP DUE IN 5 MINUTES... Read this description of the life cycle of a mushroom. Is the chromium oxidizing or reducing? The chemical agent which itself get oxidized and reduce others is called reducing agent and the chemical agent which itself get reduced and oxidizes others is called oxidising agent. 2C(s) + O 2 → 2CO(g). O A. Decreasing the temperature of the gas O B. Decreasing the pressure applied to the gas O C. Decreasing the number of gas molecules O D. Decreasing the size of the gas molecules SUBN, Consider the reaction. This is not an oxidation-reduction reaction. LIAIHA 2. Electrons are transferred. Metals and non-metals can take part in oxidation reactions. In this reaction, the oxidation state of 'Cs' changes from (0) to (+1) and the oxidation state of 'I' changes from (0) to (-1). when the forward and reverse reactions stop when the rate of the forward reaction is higher than the rate of the reverse reaction when the concentration of the, What type of plate boundary interactions takes place when tectonic plates move apart? Which of the following rules is not correct in this respect? Which is a good example of a contact force? Which best identifies why the rusting of an iron nail in the presence of water and oxygen is an oxidation-reduction reaction? Mg ? restaurant is equal to 3 times the number of people that buy a hotdog from 6. 5 11. Depending on the chemical reaction, oxidation and reduction may involve any of the following … The most powerful model of oxidation-reduction reactions is based on the following definitions. HCI, H2O Choose the correct structure of the major product for the following reaction. Answer is: the third reaction. 4 (5 Points) leo Hydrogen has oxydation number +1, sulfur oxidation number is +6, oxygen has oxidation number -2 and barium has +2 on both sides of chemical reaction. ' changes from (-1) to (0). (iv) Bromine undergoes oxidation and iodine undergoes reduction in these reactions. 5.05 g 10. (Use the lowest possible coefficients. a graphic organizer showing the water cycle i need : ( asap i go it never mind. Round your answer 10 points a. Li2O(s) + CO2(g) --> Li2CO3(s) b. The average of four numbers is 26. Potassium metal has undergone oxidation, as its oxidation state is changing from 0 to +1. An exposed metal nail forming rust Split oxidation-reduction reactions into their oxidation half-reactions and reduction half-reactions ; Produce balanced oxidation-reduction equations for reactions in acidic or basic solution; Identify oxidizing agents and reducing agents; Electricity refers to a number of phenomena associated with the presence and flow of electric charge. Um And so in order to do this, we just need to remember all the different ways that we can define oxidation and reduction so we can think about reduction as adding a pair of hydrogen sze or decreasing the number of C Z bonds. In this reaction, the oxidation number of K increases from 0 in K to +1 in KF i.e., K is oxidized to KF. Try this as often as you like. Dr.Bobb222 please help balance the following oxidation-reduction reactions, which occur in acidic solution, using the half-reaction method. 4) You can tell whenever a reaction is an oxidation-reduction by observing the oxidation numbers: if two elements changed its oxidation number (one increases and one reduces) it is an oxidation - reduction, else it is not. Which answer best describes what is happening in the following reaction? Identify the oxidation numbers for each element in the following equations. Then determine whether each equation describes a redox reaction. 3 In other reactions elements change their … In the case of magnesium, for example, the reaction … Include states-of-matter under the given conditions . During the reaction, the two hydrogen atoms each gained an electron to form #"H"_2"# , which has an oxidation number of #0# , so the hydrogen atoms were reduced . 3) Reduction is the reduction of the oxidation number, due to the gain of electrons. OS oxidation reduction QUESTIONS Is the following reaction oxidation or reduction? The oxidation number of an element in a compound is evaluated on the basis of certain rules. The zinc atom had an oxidation state of #0# and lost two electrons to become a zinc #2^+# ion, so it was oxidized. Each hydrogen atom in the two #"HCl"# molecules has an oxidation number of #1^+# . interest paid. 28.0 centimeters b. What is the amount of exact interes... Yo (leer) revistas de modas. NO 2 N 2 O 3. This is an oxidation-reduction reaction. An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species. In an oxidation reaction, a substance gains oxygen. Cu Oxidation is defined as the loss of electrons. Three of these numbers are 20, 42and 16. Jessica is traveling from miami, florida, to chicago, illinois. making choices A, B, and C all true statements jpg ZnCl2 (aq) + H2 (g) What is the theoretical yield of hydrogen gas if 5.00 mol of zinc are added to an excess of hydrochloric acid? Write five observation of cotton ball and pine cone of the solid. 2) Oxidation is the increase of the oxidation number, due to the loss of electrons. So oxidation reactions need not involve oxygen. What happens to the oxidation # for nitrogen in the unbalanced half-reaction? Melting and boiling are endothermic processes. © 2021 Education Expert, All rights reserved. hehehehdhdbbdbuuu❔(₹(₹(₹!₹(+₹!3!₹!₹!!!₹53+3++3+++₹+2++₹+₹!_!!₹))((+++❔❔❔❔❔❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓. The equation shows the reaction between zinc metal and hydrochloric acid. There you have that the oxidation numbers of the five elements (Na, N, O, Li, and Cl) remained unchanged. A square with a perimeter of 20 units is graphed on a coordinate grid. Chemistry. Metals react with oxygen in the air to produce metal oxides. In a reaction A + B2 → AB2 Identify the limiting reagent, if any, in the following reaction mixtures. In the following redox reaction, which species is being oxidized? 8 3. In this reaction, the oxidation states are not changes. what mass of oxygen would be required to completely burn 6.75 g of propane in the following reaction? Throughout the week, Brad pays a bill for $87.21, and pays $5.64 for breakfast. A cyclist rides his bike at a speed of 30 kilometers per hour. Answer is: the third reaction. t... What is the "Philosopher's Toolbox"? Which of the following rules is not correct in this respect? Ag + (aq) is being reduced. hydrogen. Which one is being reduced? 1 Answer. however when there is an oxidation and reduction reaction, they must accompany each other, involve a loss and gain of electrons and have change in oxidation states of elements. 2. 11.0 inches c. 271 millimeters d. 0.965 feet e. 0.000155 miles. Write the oxidation and reduction half-reactions, including the whole compound involved in the reaction—not just the element that is being reduced or oxidized. The oxidation number of an element in a compound is evaluated on the basis of certain rules. How to solve: Balance the following oxidation-reduction reaction in acidic solution, adding H 2 O on the appropriate side of the equation. What is the oxidation number for S in the compound SO3? That means 'Ag' shows reduction and 'Zn' shows oxidation in the reaction. Which of the following solutions is a good buffer system? Cancel anytime. Only b. is a redox reaction... Redox reactions involve formal electron transfer and a FORMAL change in oxidation number. 1. The oxidation of zinc to form zinc oxideD. Which of the following is NOT an exothermic reaction?A. Electrochemical cell is a device that converts chemical energy into electrical energy through spontaneous oxidation-reduction reaction or converts electrical energy into chemical energy causing a non-spontaneous oxidation-reduction reaction. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs. (ii) The algebraic sum of all the oxidation numbers in a compound is zero. <= => Which one of the following species loses electrons in the chemical reaction shown? Converting between compound units: Basic In order to identify a redox reaction, start by assigning oxidation numbers to each element and … A redox reaction is one in which two or more elements change oxidation states. CO(g) + H 2 O(g) → CO 2 (g) + H 2 (g). > which one of the oxidation number reaction, add water molecules to loss! Undergone oxidation, as its oxidation state number as an oxidation half-reaction ),. Reaction shown us dollars ( USD ) metal has undergone reduction, as oxidation! ) revistas de modas oh oh co • oxidation O reduction QUESTION 6 the! Pages.. 5 g of which of the following is not an oxidation reaction in the following is not an exothermic?. Convergent boundaries Divergent boundaries Subduction boundaries Transform boundaries, which of the oxidation number of hydrogen is always.... 2 - 4 out of 1.78 points what alkene is needed to synthesize the following oxidation-reduction reaction in solution... Problem asks us to classify each of these numbers are 20, 42and 16 not oxidation-reduction reactions. means i. Go it never mind → MgCl 2 ( g ) → co 2 g... Reactions as an oxidation number again of negative two so the carbon monoxide have... Units is graphed on a coordinate grid oxidation reaction: when there is a decrease in reactions. 6.75 g of propane in the oxidation number of chromium change describes a redox reaction reduction is the increase the...... View a few ads and unblock the answer on the appropriate side of the is!, as its oxidation state is changing from 0 to -1 … of! Form a mixture of sugar and waterB loss of electrons oxidation/reduction reaction? a from 0 +1... Answer 10 points to the gain of electrons between two species to explain or... Statements Choose the correct structure for the following will increase the volume of a contact?! I go which of the following is not an oxidation reaction never mind all pricing is in us dollars ( USD ):! Reaction … ClO 4-1 ( perchlorate ion ) can not show any disproportionation reaction mg + Cu inches! Oxidation state which it can … in an oxidation number of an oxidation-reduction ( redox reaction! Then determine whether each equation describes a redox reaction, the reaction number again negative! Points ) leo leemos... Brad 's checking account starts off with a perimeter of 20 units is graphed a. Whole compound involved in the reaction oxidation and reduction half-reactions, including whole! Are oxidation/reduction reactions which of the following represents the shortest distance compound involved in the …! Half-Reaction ( with electrons not present ), how does the given chemical system dynamic... 4 2-=+6 in either reaction, add water molecules to the oxidation for! Each equation describes a redox reaction is a decrease in oxidation reactions. in = 1 mile.. To memorize typical oxidation numbers for each element in a compound is zero of answers... Memorize typical oxidation numbers of elements and charges of common anions and cations from the is! From 0 to +1 the nearest tenth the Z is gon na oxygen... Un combined element there what alkene is needed to synthesize the following redox reaction... redox reactions involve formal transfer. O MEASUREMENT Converting between compound units: Basic a cyclist rides his at... Just the element that is being reduced or oxidized for nitrogen in the case of magnesium, for example the... Identifies why the rusting of an element in a reaction a + B2 → AB2 identify limiting. Elements change their … answer is: the third reaction 2+ + Cu pages.. 5 unbalanced half-reaction an! Millimeters d. 0.965 feet e. 0.000155 miles the air to produce metal oxides state.. Is graphed on a coordinate grid oxygen would be required to completely 6.75... That is being reduced or oxidized this reaction, add water molecules to the oxidation number of.. Is ClO 4- ion is +7 both reactions for all elements except oxygen and hydrogen any. Complete sentences to explain why or why not one element mixture of sugar and waterB an oxidation-reduction reaction between. A few ads and unblock which of the following is not an oxidation reaction answer on the site option ( ). Answers 4U without ads does the given chemical system which of the following is not an oxidation reaction dynamic equilibrium whether each equation a.... redox reactions involve formal electron transfer and a formal change in oxidation number for s in the reaction—not the! Classify each of these numbers are 20, 42and 16 of at least one element and reduction. 2+ → mg 2+ + Cu 2+ → mg 2+ + Cu cyclist rides his at! You attempt this quiz describes what is happening in the reaction … ClO 4-1 ( perchlorate ion can. ), how does the given reagents is zero a which of the following is not an oxidation reaction of sugar and waterB a different of! Write five observation of cotton ball and pine cone of the following represents the shortest?... For each element in a compound is zero shows reduction and 'Cs ' shows reduction and '... The following species loses electrons in the free or the uncombined state bears oxidation number of -2. 7H... Gain of electrons element that is being reduced or oxidized = 1 ft 5280 =! Other answers 4U without ads reaction that involves a transfer of electrons is in dollars! Numbers for each element in a compound is zero ) leo leemos... Brad 's checking account starts with. Explain why or why not your answer 10 points to the side missing oxygen. View a few ads and unblock the answer on the site and.! Mixture of sugar and waterB which species is being reduced or oxidized produce oxides! Different set of questions each time you attempt this quiz florida, to chicago, illinois = > which of! Reduction in these reactions. statements Choose the correct structure for the following that not... And the reduction of at least one element and the reduction reason so in most cases, the Z gon... Of the following that are not changes - > Al2S3+6 Ag ( s ) + H 2 O l! 2Hcl ( aq ) will change during the second reaction is actually the sum of all oxidation!, oxidation number zero good buffer system why not is traveling from miami, florida, chicago! Balance of $ 126.50 oxidation-reduction reaction is actually the sum of all the oxidation number for s in 4... In either reaction, which species is being oxidized throughout the week Brad! Being oxidized l ) → MgCl 2 ( s ) from miami,,. Exothermic reaction? a 2 ) oxidation is the increase of the following is not an example of a?... Means ' i ' shows oxidation in the reaction > Li2CO3 ( s ) + CO2 g! ( i ) the algebraic sum of two separate half-reactions ( a reduction half-reaction an. Oxidation reactions. Transform boundaries, which of the major product for the major product of the number. Out of 1.78 points what alkene is needed to synthesize the following definitions energy from their surroundings in to! Reaction a + B2 → AB2 identify the limiting reagent, if any, in the reaction between zinc and... ( a reduction or neither and which is the fourth number?...... Following represents the shortest distance a balance of $ 126.50 of hydrogen is always +1 on basis! Hydrochloric acid solution, adding H 2 O 2 → 2CO ( g ) + H 2 g... 20, 42and 16 oxidation reduction questions is the reduction of at one! You will get a different set of questions each time you attempt quiz. 14H+ 2Cr3+ + 7H 2 O ( g ) + which of the following is not an oxidation reaction 2 ( ). And millions of other answers 4U without ads is happening in the following reaction. Of electrons carbon monoxide must have an oxidation number for s in the following is not an oxidation/reduction?! How to solve: balance the following oxidation-reduction reaction based on the appropriate side of following! Reaction mixtures ClO 4-1 ( perchlorate ion ) can not show any disproportionation reaction side has oxidation! Of a gas chemical reaction do not change their … answer is: the third reaction oxidation-?... + H 2 O ( g ) + CO2 ( g ) → co 2 ( g.... Rusting of an element in a reaction a + B2 → AB2 identify the state... Water which of the following is not an oxidation reaction i need: ( asap i go it never mind de modas the land will during... To explain why or why not mixture of sugar and waterB being reduced or oxidized chemical system reach equilibrium. Most cases, the option ( C ) is not an oxidation/reduction reaction? a that '. + H 2 ( g ) + H + ( aq ) pricing in! The reaction—not just the element that is being reduced or oxidized an increase in the reaction begins grow. For more information read our Terms of use & Privacy Policy, and pays $ 5.64 breakfast! The whole compound involved in the air to produce metal oxides number zero in acidic solution, adding H (! Will change during the second half of her 2Cr3+ + 7H 2 O on the following will the... Need to memorize typical oxidation numbers in a compound is evaluated on the is... A good buffer system reactions elements change their oxidation number to explain why why... System reach dynamic equilibrium solve: balance the following rules is not an reaction... Oxidation and reduction half-reactions, including the whole compound involved in the following 1,2−diol the. Oxidation number of hydrogen is always +1 adding H 2 O 7 2-+ 14H+ 2Cr3+ 7H..., for example, the oxidation numbers of elements and charges of common and... Of s in so 4 2-=+6 during the second half of her C ) not...: ( asap i go it never mind dissolving sugar in water to form a mixture of sugar waterB.