You fill a balloon with 2.50 moles of gas at 29°C at a pressure of 1.60 atm. What is the volume of the balloon?
15.9 L
22.4L
3.72 L
38.7L

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

An unknown insoluble substance displaced the water shown. it's mass is indicated on the triple beam balance. mass = a. 694 b. 693.5 c. 693.0 d.693.8