Fossils are very likely to form from the remains of an animal. true or false

How many moles of al3+ ions are in 1.25 moles of al2o3

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both