1. circle the following compounds that would be soluble in water. naoh fe2s¬ mgso4 pbcl2 ba(no3)2 mgco3

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a

Which term defines a type of oxygen that forms a protective layer miles above the earth a. fossil fuel b. smog c. pollution d. ozone