Zn2+,Zn reduction potential : -0.76 V
Co2+,Co reduction potential : -0.28 V
So Co2+ can easily oxidise Zn to Zn2+ and itself gets reduced to Co(s)
So the reaction is Zn(s) + CoCl2(aq) --> ZnCl2(aq) + Co(s)
So the correct option is 'd'
Predict the products of the following single replacement reaction. Zn(s) + CoCl2(aq) O ZnCo(aq) + Cl2(9)...
Quiz 4 10) Predict the products of the following single replacement reaction. Zn(s) + CoCl2(aq) A) No reaction occurs B) ZnCo(aq) + Cl2(g) C) Co(s)+ ZnCl2(aq) D) ZnCoCl2(aq) E) CoCl(aq)+ZnCI(aq) 11) What mass of CoH120s (glucose) is needed to prepare 450.mL of a 0.650 M solution of glucose in water? C) 52.7 g D) 0.293 g E) 125 g A) 0.692 g B) 293 g
Balance the following redox reaction in basic solution. Zn(s)+N,(9) → Zn (aq)+N, H.(aq) Zn(s) + N, (g) → Zn (aq) + N, H, (aq) 0-0 Do X 5 11 Type here to search O RL O
1. Consider the reaction at equilibrium: CO(g) + Cl2(g) COCl2(g). Predict how addition of CO(g) will affect the equilibrium system. 2. What would be the net effect of decreasing the temperature on the following exothermic reaction? 3. What is the effect on the following equilibrium system if CaO(s) is added? 4. Consider the reaction at equilibrium. CO(g) + Cl2(g) ⟷ COCl2(g) Predict how addition of CO(g) will affect the equilibrium system. Please help explain the answers to these!
24. Determine A Sºrxn given the following information: Reaction: Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(9) Substance Zn(s) HCl(aq) H2(g) Zn2+(aq) Cl(aq) Sº (J/mol x K) 60.9 56.5 130.58 -106.5 55.10 A) -39.6 J/mol.K B) O J/mol.K C) +39.6 J/mol.K D) -38.2 J/mol.K E) +38.2 J/mol.K
d.) Predict the products formed in the single replacement reactions, determine the number of electrons being transferred, and identify what is being reduced and what is being oxidized. Zn (s) + _ AgNO3 (aq) –> • _Al (s) +_ H2SO4 (aq) –> Al (s) + CuCl2 (aq) ->
please help! thank you Determine As for the reaction Zn(s) + 2 HCl(aq) Substance Zn(s) HCl(aq) H2(8) ZnCl2(aq) ZnCl(aq) + H2(g) given the following information: Sº (J/mol x K) 41.6 56.5 130.6 0.9 -33.4 J/K 0-23.1 J/K +23.1 J/K Оозик +33 4 J/K HI dissociates to form 12 and H2:2 HI(g) → H,()+1() If the concentration of HI changes at a rate of -0.45 M/s, what is the rate of appearance of 12(g)? 0.90 M/S 0.13 M/s 1.0 m/s 0.45...
H20 (g) D. Zn (s) НC (аq) ZnCl2 (aq) + Hа(8) Classify each equation above as double displacement [DD], single displacement [SD], combination [C] (synthesis), decomposition [D], oxidation-reduction [redox], or combustion. combusnon В. О A. DD SD 4. Write the balanced chemical equation for the combustion of methane (CH). are the products: Carbon dioxide and water Chy + 202 CO + atzo C- 0-4 A. Classify the type of reaction? B. How many moles of oxygen react with one (1.0)...
What would be the physical state foe ZnSO4 in the following equation? Zn(s) + CuSO4(aq) = ZnSO4(aq) + Cu(s) O A. Solid B. Aqueous OC. Liquid D. Gas E. Plasma QUESTION 24 The following reaction can be classified as a: Zn(s) + H2SO4(aq) = ZnSO4(aq) + H2(g) O A. Combination reaction B. Single-replacement reaction OC. Decomposition reaction D. Double displacement reaction E. Evaporation reaction
Question 9 10 pts Using the solubility table, predict whether a reaction occurs or no reaction occurs for each of the following double-replacement reactions: a) AgC2H2O2(aq) + Srl2(aq) → Reaction Occurs b) FeSO4laq) + CuCl2laq) → No Reaction c) NaOH(aq) + CO(NO3)2(aq) + Reaction Occurs
For the reaction Zn(s) + Cla) -- 2ZnCl2 (s) given the following information: S [Cl2(g)] = +215.0 J/mol K, S [Zn(s) - 41.2 l/mol K and SIZnCl2631 = +107.1 J/mol K a) Determine AS (10 p) b) Determine the AG*rn of ZnCl2() if the AH- -409.1 kJ/mol, at 25°C (10p) c) Determine the AG on for the preparation of 11 g of ZnCl2l) (MM= 136.30 g/mol) (10p)