Acylinder with a moveable piston contains 0.87 mol of gas and has a volume of 334 ml. what will its volume be in an additional 0.22 mol of gas is added to the cylinder?

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive