What country used the most energy in world during both 1990 and 2003?

Write the balanced equation for the reaction of hydrogen chloride with sodium hydrogen carbonate to give sodium chloride, carbon dioxide, and water.

Which term best describes the process by which particles escape from the surface of a nonboiling liquid and enter the gas state?

How would you classify the fossil fuel, petroleum, in terms of a resource? Justify your answer in two or more complete sentences.

A hydrocarbon contains by mass 82.7% carbon and 17.3% hydrogen. whats the molecular formula?

What causes a change in a rocks compostion

A student has two substances at a lab table. One substance is iron pyrite (fool's gold) and the other is real gold. After placing a 20.0-gram sample of iron pyrite into 40.0 mL of water in a graduated cylinder, it displaces 4.0 mL of water.

Hydrolysis is an example of which type of reaction?

Which of the following best represents a neutralization reaction

What is borons atomic number

Kinetic energy and potential energy are often considered to be forms of mechanical energy. List three other forms of energy and state a source for each.