A substance changes state from solid to liquid. What has happened?

O Aphysical change

O A chemical change

O A chemical reaction

The creation of matter

1. Define the law of conservation of mass.

A fraction is written in simplest form when the GCF of the numerator and denominator is fill in the blank

The fact that ice is less dense than water is related to the fact that

A solution with pH of 9.50 has a pOH of?

What will happen to the ability of a gas to dissolve in a liquid if the temperature increases

In a problem, you are given two pressures and one temperature at constant volume and amount of gas. You are asked to find a second temperature. What law should you use?

How many cups are in a 5-lb. bag of flour?

How is oxygen separated from other substances nearby?

What is the definition of solution in chemistry

One important difference between covalent and ionic bonds is that a. in covalent bonds two atoms share electrons, whereas in ionic bonds one atom gives one or more electrons to the other atom. b.