Which of the following is an example of a chemical change? a. eggs frying b. flour and salt being mixed together c. ice melting d. sugar dissolving

What type of reaction is illustrated? 2c12o5 = 2cl2 + 502

Air can be considered a mixture. which statement does not explain why?

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