Balance the following equations: 1. NaOH + HCl NaCl + H2O

2. KClO3 KCl + O2

3. NaOH + CO2 Na2CO3 + H2O

4. C + H2O CO + H2

5. BaCl2 + H2SO4 BaSO4 + HCl

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car