23. In which compounds are pairs of electrons shared between atoms? 1
methane
2
lead bromide
3
sodium chloride
A 1 only
B 2 only
с
1 and 3
D
1, 2 and 3

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Explain what happens at the saturation point when adding salt to water at room temperature.

Magnesium is the limiting reactant in this experiment. calculate the theoretical yield of mgo for each trial. trial 1: trial 2: data mass of empty crucible with lid trial 1: 26.688 trial 2: 26.681 mass of mg metal, crucible, and lid trial 1: 26.994 trial: 2 26.985 mass of mgo, crucible, and lid trial 1: 27.188 trial 2: 27.180