The following graph demonstrates the rate of reaction between calcium carbonate (marble)and dilute hydrochloric acid. The graph shows that the rate of reaction is initially greatest when

a

the initial slope of the curve is steepest and this occur when small pieces of marble are used and is due to a small surface area of reactant

b

the occur when large pieces of marble are used and is due to a small surface area of reactant

c

the initial slope of the curve is steepest and this occurs when small pieces of marble are used and is due to a large surface area of reactant

d

the initial slope of the curve is steepest and this occur when large surface area of reactant

e

the initial slope of the curve is least steep and this occur when small pieces of marble are used and is due to the increased surface area of the reactant

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Discussions (4)

Shemasane19
4 years ago

Increase in size decreases surface area. Decrease in size increases surface area. Therefore,the initial slope of the curve is steepest or has a sharp inclination and this occurs when small pieces of marble are used and is due to a large surface area of reactant. 🖊️😒

okemuite
1 year ago

No graph drawn

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