Calculate the molecular formulas of the compounds having the following empirical formulas and molar masses: C₂H₅, 58 g/mol; CH, 78 g/mol; and HgCl, 236.1 g/mol.

Describe the energy conversion involved in the formation of coal.

What happens when two or more atoms react?

Describe and explain the chemical reactivity of noble gases

What is a solution? a. The substance that dissolves another substance b. The substance that is dissolved in another substance c. Tow liquids that do not mix each other d. The mixture of one substance dissolved in another.

What is the volume of a gas 35 psi (like your car's tire might require), if the gas had occupied 30 L at a pressure of 10 psi?

In the process of oxidizing i - to i2, so42 - is reduced to so2. how many moles of so2 are produced in the formation of one mole of i2? express your answer numerically in moles.

Does pressure decrease when a gas is removed

This is the ability of matter to change into a different substance.

How can I write ecology in my own words for a definition

The amount of time it takes for one-half of the original amount of an isotope to decay is known as its