When you heat a liquid, the molecules spread farther apart and the liquid expands, and when you cool a liquid, the molecules get closer together and the liquid condenses. How is water different?

The molecular mass of the compound is 132 amu What is molecular formula?

What is the difference between a mixture and a solution? Is salt water a mixture or a solution?

Explain the advantages of crystallisation over evaporation

Which element would be the most reactive with K? Br, Na, Ar, or O? And how do you know?

Does salt water or fresh water freeze faster

Which exters stronger gravitational pull on earth, the sun or the moon?

How many atoms are in 5.548 g of thorium

1. Barium (Ba) is larger than magnesium (Mg) because barium appears below magnesium on the periodic table. Explain why barium (Ba) is larger than magnesium (Mg). 2.

Solution A has a pH of 3 and solution Z has a pH of 6. How many times greater is the hydronium ion concentration in solution A than the hydronium ion concentration in solution Z? (1) 100 (3) 3 (2) 2 (4) 1000

Based on the leaf cross section shown above what do you know about the plant from which it came