Which mass is easily forgotten about when trying to prove the law of conservation of mass in a chemical reaction.

1water
2salt
3gas
4rock

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.