Question

1.Analyse the situation given below and identify the gas laws associated with ita.When an inflated baloon is kept inside a refrigerator,its size decreaseb.A baloon being inflatedc.Size of air bubble rising from the bottom of the aquarium increases (3)2`.100 ml gas at 2atm is tken in a cylinder with a piston and it is compressed to reduce volume to 25 ml.a.What will be the pressure of a gas thenb.Name the gas law helped you to answer this (2)3.Find Gram Molecular Mass of the followinga.CaCl2 b.Na2SO4 ( Ca 40 Na 23 S 32 O 16 Cl 35.5 ) (2)4.Find number of moles and write it increasing order of mole numbera. 400g of H2O b.400g of C c.400 g of Helium (H=1,O=16,C=12,He=4) (5)5.Chemical formula of ammonia isNH3 (N-14,H-1)a.Calculate the number of moles of molecules in 51g of ammoniab.What will be the volume of 51 g of ammonia at STPc. Calculate the number of m​

Answer 1

sorry I am in 8 class I did not know about these type of question