This is two or more elements chemically combined in a fixed ratio.

What is the ionic bonding of NaCl

When snow melts does its volume decrease or increase?

What happens to the entropy of a sample of matter when it changes state from a solid to a liquid?

Write is the chemical formula for calcium and chlorine

100 g of 20% salt solution is mixed with 200g of 10% salt solution. Find out the concentration of the resulting solution.

Experiments are very common in criminology, but not in psychology. True or false?

This is two or more elements chemically combined in a fixed ratio.

Write balanced chemical reactions for the following a) Ammonia, NH3, reacts with nitrogen oxide, NO, to produce water and nitrogen gas. b) Oxygen gas reacts with hydrogen sulfide, H2S, to produce water and sulfur dioxide, SO2.

Distinguish between acids and bases by indicating TWO general properties of acids and TWO general properties of bases. Be specific!

In the redox fueling reaction, succinate + nad ↔ fumarate + nadph, the succinate molecule is undergoing which process?