P4(s) +ci2(g)_pci3(i) is not balanced what coefficient should be placed in front of pci3 to balance

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

How many grams of aluminum will there be in 98g 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