Condensation is-

a. a chemical exothermic process
b. a physical exothermic process
c. a chemical endothermic process
d. a physical endothermic process

The mass has escaped into a gas which you can not see so the law stays true.

Since there is the same amount of agn03 in both silver chloride and silver nitrate they produce the same amount of moles. therefore silver chloride produces the same amount of silver nitrate, so your answer is 15.0 moles of silver nitrate. i hope this !

4- c, because all matter stays the same no matter what. it is still there. 5- b, because matter is known as mass. 6-c because, flammability is a chemical property. malleability is changing the shape of an object.