What is the molar mass of the compound shown below? Η Η
| | =O
H-C-C-C-OH
| |
Η Ν
/ \
H H

-0 56.0 g/mol
-89.0 g/mol
-73.0 g/mol
-112.0 g/mol

If this equation was completed which statement would it best support

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

State one important difference between a physical change and a chemical change?