two batches of calcium oxide from calcium and oxygen. Batch A weighs 36.0 grams and is tested and has 25.7 grams of calcium in it. Batch B weighs 87.0 grams. According to the Law of Definite Proportions, how many grams of calcium element is in batch B

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.

Which states of matter have particles that move independently of one another with very little attraction?