Determine the enthalpy for the reaction A+B --> C If we know the following: A+E --> C+D; delta H = -200 kJ
D+B --> E; delta H = -100 kJ

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape

How many moles are in 123.0 grams of kclo4?