Given the balanced equation representing a reaction: Zn(s) + 2HCl(aq) - H2(g) + ZnCl2(aq)
Which set of reaction conditions produces H2(g) at the fastest rate?
A.
a 1.0-g lump of Zn(s) in 50. mL of 0.5 M HCl(aq) at 20.°C
B.
a 1.0-g lump of Zn(s) in 50. mL of 0.5 M HCl(aq) at 30.°C
C.
1.0 g of powdered Zn(s) in 50. mL of 1.0 M HCl(aq) at 20. °C
D
1.0 g of powdered Zn(s) in 50. mL of 1.0 M HCl(aq) at 30.°C

D  1.0 g of powdered Zn(s) in 50. mL of 1.0 M HCl(aq) at 30.°C

Explanation:

There are several factors affecting and controlling the rate of chemical reactions.

Some of which are applicable in resolving this problem is the nature of the reactants and their concentration. Also, the temperature of the reaction is also very important.

the temperature of the gas, in k, not celsius.

it would be d. henry moseley

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