3.337 g/cm3 = ________ kg/m3

Which of the following are combustion reactions? 1)  CH4(g)  +  O2(g)  →  CO2(g)  +  H2O(l) 2)  CaO(s)  +  CO2(g)  →  CaCO3(s) 3)  PbCO3(s)  →  PbO(s)  +  CO2(g) 4)  CH3OH(l)  +  O2(g)  →  CO2(g)  +  H2O(l)

The correct formula for iron(II) phosphate is If the formula requires subscript numbers, do not try to include them, simply write the numbers in line. example: For the ionic compound formed between the ammonium ion and oxygen the formula would be:  (NH4)2O _______

The correct name for Na2S is  _______

There are ________ oxygen atoms in 30 molecules of C20H42S3O2.

Predict the empirical formula of the ionic compound that forms from aluminum and oxygen. If the formula requires subscript numbers, do not try to include them, simply write the numbers in line. example: For the ionic compound formed between the ammonium ion and oxygen the formula would be:  (NH4)2O _______

although she was very tired after work

while she was studying for finals

Maria studied for the exam all night

after the movie ended late at night