If a gas occupies 240 ml at 800.0 mmhg and the pressure is increased to 1200.0mmhg, what will be the new volume of the gas? assume the temperature remains constant .

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

What is the mass of 0.46 mol of mgcl2

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?