What volume will 34.8 g of CCl4 gas occupy at 39.5 oC under a pressure of 439 torr?

Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth. what is the independent variable for this experiment?

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?