you are throwing a birthday party for 11 guests (12 including yourself). each guest will probably eat 3 slices of birthday cake. each cake cost $12 and can be cut into 15 slices. how much will you have to spend to make sure there is enough cake for everyone at the party?

Dwayne filled a small balloon with air at 298.5 k. he put the balloon into a bucket of water, and the water level in the bucket increased by 0.54 liter. if dwayne puts the balloon into a bucket of ice water at 273.15 k and waits for the air inside the balloon come to the same temperature, what will the volume of the balloon be? assume the pressure inside the balloon doesn’t change. type the correct answer in the box. express your answer to the correct number of significant figures. the volume of the balloon at 273.15 k is liters.

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+