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Q2. (E) I,III,IV
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The following reaction occurs in an acidic medium: Mno; + C, Mn + CO, What is...
please help with all of the question. The following skeletal oxidation-reduction reaction occurs under acidic conditions....
please help with all of the question.
The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction. NO3 + Mn2 MnO4 +HNO2 Reactants Products Retry Entire Group 9 more group attempts remaining Submit Answer Mastered The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. Sio2 + Ag Ag2O+Si- Products Reactants (1) Identify each of the following half-reactions as either an oxidation half-reaction or a reduction half-reaction half-reaction identification AP...
Question5 1 pts Which of the following is/are NOT true about thermodynamics? I. A reaction that i...
Question5 1 pts Which of the following is/are NOT true about thermodynamics? I. A reaction that is spontaneous at standard conditions will convert all reactants to products. Il. If a reaction is spontaneous, it will happen rapidly. IIl. A reaction that releases heat is always spontaneous. O only O I andl O Il and IlI O None of these statements are true.
Question5 1 pts Which of the following is/are NOT true about thermodynamics? I. A reaction that is spontaneous...
? Fe (ag) reacts with MnO Caq) ion in acidic solution to yield Fe (ag) ions...
? Fe (ag) reacts with MnO Caq) ion in acidic solution to yield Fe (ag) ions and Mn'(a) ions. 5 Fe"(aq) + Mno.(aq) + 8H' ? 5 Fe"(aq) + Mn"(aq) + 4H20 A sample of melanterite, FeSO, 7H,O, was analyzed for purity using this reaction by titration of an aqueous solution of the sample. One such sample required 56.15 mL of 0.01301 M permanganate solution to completely titrate all the iron in the sample by the reaction shown above. How...
Complete the following sentence: i) “When a change occurs, … remains constant but is dispersed in...
Complete the following sentence: i) “When a change occurs, … remains constant but is dispersed in different ways.” ii) “For spontaneous change we look for …of the isolated system.” iii) “The entropy of an isolated system …spontaneous change.” iv) “Thermodynamically irreversible processes are … and must be accompanied by …” v) For a change from one state to another “The total energy of the system must …” vi) For spontaneous change “The total entropy of the system must …” vii) ...
2. Decide whether each of the following statements is true or false. If false, rewrite it...
2. Decide whether each of the following statements is true or false. If false, rewrite it to make it true. a. Entropy of the universe increases in all spontaneous reactions. wo False If entropy is bw enough it con be spontaneous, b. Reactions with a negative free energy change (A-Gº <0) are product-favored and occur with rapid transformation of reactants to products. True c. An exothermic reaction will always be spontaneous. I NO when AH is negative the reaction can...
Consider the balanced chemical equation shown below: Co(s) + BrO-(aq) + H2O(l) → Br-(aq) + Co2+(aq)...
Consider the balanced chemical equation shown below: Co(s) + BrO-(aq) + H2O(l) → Br-(aq) + Co2+(aq) + 2 OH-(aq) ΔH°rxn = -259.87 kJ/mol Which of the following statements must be true about this chemical reaction? Circle all that apply. A. The reaction is fast. B. The reaction is product-favored. C. The entropy change for this reaction is positive. D. Increasing the temp will drive the reaction towards the products. E. The reaction is endothermic. F. The reaction is spontaneous. G....
14. Which of the following is not a state function? a. Internal Energy b. Free Energy...
14. Which of the following is not a state function? a. Internal Energy b. Free Energy c. Enthalpy d. Entropy e. Heat 15. The second law of thermodynamics states that a. the entropy of a perfect crystal is zero at 0 K b. the entropy of the universe is constant. c. the energy of the universe is increasing. d. the entropy of the universe is increasing. e. the energy of the universe is constant. 16. Which of the following are...
7. The following reaction occurs in basic solution: H2O(aq) + MnO, (aq) + CIO (aq) -...
7. The following reaction occurs in basic solution: H2O(aq) + MnO, (aq) + CIO (aq) - MnO (s) + CIO, (ag) + OH(aq) When the equation is properly balanced, what is the sum of the lowest whole number coefficients? a. 20 b. 9 c. 10 d. 6 e. 12 8. What is the molarity of an Nal solution that contains 7.0 g of Nal in 21.0 mL of solution? a. 2.2 M b. 0.046 M c. 0.003 M d. 0.00014...
14) Balance the following redox reaction if it occurs in acidic solution. What are the coefficients...
14) Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of Cd and Agt in the balanced reaction? 14) - Cd(s) + Agt(aq) → Ag(s) + Cd2+(aq) A) Cd = 2, Agt = 2 B) Cd = 3, Agt = 1 Cd = 1, Ag - 2 D) Cd -2, Agt = 1 E) Cd = 1, Ag+ - 1 15) What is undergoing oxidation in the redox reaction represented by the...
Balance the following redox reaction in acidic solution. What are the coefficients in front of I...
Balance the following redox reaction in acidic solution. What are the coefficients in front of I 2 and H 2O in the balanced reaction? NO 2 - (aq) + I - (aq) → I 2 (s) + NO(g) a. I 2 = 2, H 2 O = 1 b. I 2 = 1, H 2 O = 4 c. I 2 = 1, H 2 O = 2 d. I 2 = 3, H 2 O = 2
please help with all of the question.
The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction. NO3 + Mn2 MnO4 +HNO2 Reactants Products Retry Entire Group 9 more group attempts remaining Submit Answer Mastered The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. Sio2 + Ag Ag2O+Si- Products Reactants (1) Identify each of the following half-reactions as either an oxidation half-reaction or a reduction half-reaction half-reaction identification AP...
Question5 1 pts Which of the following is/are NOT true about thermodynamics? I. A reaction that is spontaneous at standard conditions will convert all reactants to products. Il. If a reaction is spontaneous, it will happen rapidly. IIl. A reaction that releases heat is always spontaneous. O only O I andl O Il and IlI O None of these statements are true.
Question5 1 pts Which of the following is/are NOT true about thermodynamics? I. A reaction that is spontaneous...
? Fe (ag) reacts with MnO Caq) ion in acidic solution to yield Fe (ag) ions and Mn'(a) ions. 5 Fe"(aq) + Mno.(aq) + 8H' ? 5 Fe"(aq) + Mn"(aq) + 4H20 A sample of melanterite, FeSO, 7H,O, was analyzed for purity using this reaction by titration of an aqueous solution of the sample. One such sample required 56.15 mL of 0.01301 M permanganate solution to completely titrate all the iron in the sample by the reaction shown above. How...
2. Decide whether each of the following statements is true or false. If false, rewrite it to make it true. a. Entropy of the universe increases in all spontaneous reactions. wo False If entropy is bw enough it con be spontaneous, b. Reactions with a negative free energy change (A-Gº <0) are product-favored and occur with rapid transformation of reactants to products. True c. An exothermic reaction will always be spontaneous. I NO when AH is negative the reaction can...
14. Which of the following is not a state function? a. Internal Energy b. Free Energy c. Enthalpy d. Entropy e. Heat 15. The second law of thermodynamics states that a. the entropy of a perfect crystal is zero at 0 K b. the entropy of the universe is constant. c. the energy of the universe is increasing. d. the entropy of the universe is increasing. e. the energy of the universe is constant. 16. Which of the following are...
7. The following reaction occurs in basic solution: H2O(aq) + MnO, (aq) + CIO (aq) - MnO (s) + CIO, (ag) + OH(aq) When the equation is properly balanced, what is the sum of the lowest whole number coefficients? a. 20 b. 9 c. 10 d. 6 e. 12 8. What is the molarity of an Nal solution that contains 7.0 g of Nal in 21.0 mL of solution? a. 2.2 M b. 0.046 M c. 0.003 M d. 0.00014...
14) Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of Cd and Agt in the balanced reaction? 14) - Cd(s) + Agt(aq) → Ag(s) + Cd2+(aq) A) Cd = 2, Agt = 2 B) Cd = 3, Agt = 1 Cd = 1, Ag - 2 D) Cd -2, Agt = 1 E) Cd = 1, Ag+ - 1 15) What is undergoing oxidation in the redox reaction represented by the...
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