How many grams of deuterium ?H (atomic mass = 2.0141 u) must be fused to helium “He (atomic mass 4.0026 u) in one second to produce 3000 MJ of energy? [1 u = 1.66 x kg=931.5Mev/c? ]

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

What is one real world example of a colligative property?

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.