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3 years ago

The density of a solid reactant affects the rate of a reaction. TRUE FALSE

Chemistry

2 answers:

levacccp [35]3 years ago

5 0

Answer:

The correct answer is "True".

Explanation:

The rate of a reaction is affected by multiple factors, including the density of a solid reactant. The higher the density of a solid reactant the higher the rate of a reaction will be. A higher density of reactant increases the probability that collisions take place, and the more collisions the more reactions will occur.

Shalnov [3]3 years ago

3 0

yes it is true it reàlly happens

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Zinc sulfate is a 2-ion electrolyte,

Gekata [30.6K]

Answer: The value of i is 1.4 and 40% dissociation of 100 particles of zinc sulfate will yield 60 undissociated particles.

Explanation:

The equation used to calculate the Vant' Hoff factor in dissociation follows:

$\alpha =\frac{i-1}{n-1}$

where,

$\alpha$ = degree of dissociation = 40% = 0.40

i = Vant' Hoff factor

n = number of ions dissociated = 2

Putting values in above equation, we get:

$0.40=\frac{i-1}{2-1}\\\\0.40=i-1\\\\i=1.4$

The equation used to calculate the degee of dissociation follows:

$\alpha =\frac{\text{Number of particles dissociated}}{\text{Total number of particles taken}}$

Total number of particles taken = 100

Degree of dissociation = 40% = 0.40

Putting values in above equation, we get:

$0.40=\frac{\text{Number of particles dissociated}}{100}\\\\\text{Number of particles dissociated}=(0.40\times 100)=40$

This means that 40 particles are dissociated and 60 particles remain undissociated in the solution.

Hence, 40% dissociation of 100 particles of zinc sulfate will yield 60 undissociated particles.

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2 years ago

Based on the reactivities of the elements involved, which reaction will form products that are more stable than the reactants?

MrRa [10]

Answer:

Exothermic reaction

Explanation:

Since in an exothermic reaction heat is released, the products will be more stable than the reactants.

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No, don't try, it will explode close to 187 kPa

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