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What are the factors that affect the rate of a chemical reaction?

For a reaction to occur molecules must collide with energy greater than or equal to the activation energy, in the correct orientation. The factors affecting the rate of a reaction are: Pressure of reacting g...
AJ
Answered by Amelia J. • Chemistry tutor
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What is the empirical formula of a compound with the following composition by mass, 48.0g C, 4.0g H and 48.0g O?

There are 3 Steps to answering this question: But first you need to understand what is meant by empirical formula: The simplest whole number ratio of the atoms of each element present in a compound. 1) First...
EC
Answered by Eleanor C. • Chemistry tutor
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Explain what would happen to the pH of a solution of aqueous hydrochloric acid if you add water.

pH is a measure of the concentration of H+ ions contained within a given volume of a solution. Adding water, without increasing the amount of hydrochloric acid particles within the solution, increases the vo...
MR
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A compound is found to contain 23.3% magnesium, 30.7% sulfur and 46.0% oxygen. What is the empirical formula of this compound?

Mass 23.3 30.7 46.0 Mr 24 32 16 Mass/Mr 0.97 0.96 2.875 /Smallest 0.97/0.96= 1 0.96/096= 1 2.875/0.96= 3 Ratio MgSO3 1:1:3
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Answered by Jack G. • Chemistry tutor
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Why does Iodine have a higher boiling point than chlorine?

Iodine has a larger number of protons and electrons than chlorine, which causes the inter-molecular forces of attraction between iodine molecules to be stronger than those present between chlorine molecules....
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Answered by Jack G. • Chemistry tutor
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