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Question 1 of 51. Question
If 2g of zinc granules was reacted with excess HCL to hydrogen gas which came to completion after 5 minutes. Calculate the rate of the chemical reaction in ghr-1……………..
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Question 2 of 52. Question
Equal amounts of marble chips reacted separately with 100cm3 of hydrochloric acid of different concentration. If all the marble chips reacts, which of the following remained the same in each case?
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Question 3 of 53. Question
Consider the equilibrium reaction below, 2SO2(g) + O2(g) 2SO3(g); H = -xkj mol-1 The amount of sulphur (VI) oxide produced will increase if…………..
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Question 4 of 54. Question
Consider the reaction represented by the following equation: N2 + 3H2(g) 2NH3(g); H = -9.2 kjmol-1 finely divided iron is used as catalyst in the reaction in order to………….
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Question 5 of 55. Question
Which of the following factors will affect the rate of formation of S(s) in the reaction represented by the equation below? S2O2-3(aq) + 2H+(aq) SO2(aq) + H2O(l) + S(s)…………..
