Using Le Chatelier\'s Principle of the endothermic reaction below, 2V^3+ (aq) +

Question

Using Le Chatelier's Principle of the endothermic reaction below, 2V^3+ (aq) + 2 H_2O (1) + Br_2 (aq) equivalent 2 VO^2+ (aq) + 4 H^+ (aq) + 2 Br(aq) Circle what direction the reaction will shift for each of the following changes, Addition of vanadium (III) ion shift right shift left no shift Removal of heat (cooling of reaction) shift right shift left no shift Removal of Br_2 shift right shift left no shift Addition of a catalyst shift right shift left no shift An increase in pressure shift right shift left no shift Removal of VO^2+ shift right shift left no shift Addition of sodium bromide shift right shift left no shift Addition of sodium chloride shift right shift left no shift

Explanation / Answer

a) addition of reactants --> shifts to right

b) if endothermic, it favours reactants , shigt to left

c) decreasing reactants --> shift goe sto left

d) catalys has no effect, since this is kintetic effect

e) increas of P favours nothing, since there are no gases

f) removing product, faovurs prodution , i.e. shift to right

g) Br- increases, products increases, favours left

h) NaCl, has no effect since no ion is present

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