If you add a chunk of zinc to a beaker of acid and zinc shavings to another beaker of acid, the sample with the zinc shavings will react faster. what property cause the increase in rate? 1) catalyst 2) nature of the reaction 3) surface area 4) temperature

The answer to your question is: letter C

Explanation:

The only difference between the samples of Zinc is their presentation, one is a chunk of zinc and the other one is shavings.

1) Catalyst                              This option is incorrect because the description

                                                do not mention anything about catalyst.    

2) Nature of the reaction      The nature of the reaction is the same.

3) Surface area                       This is the right answer because in the chunk

                                                 there is less surface area than in the shavings.

4) Temperature                       It is not mention anything about temperature in

                                                the description.

gas

explanation:

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"standard molar enthalpy:

h2o ( liquid water ) : - 285.8 kj/mole

h2o ( water vapor ) : - 241.8 kj / mole.

δhrxn = - 241. 8 - ( - 285.8 )= -241.8 + 285.8 = 44.0

answer: 44.0 kj"