Arrange the following samples in the increasing order of the molecules in each: 1g Hydrogen, 1 Litre hydrogen (STP), 1 mole Hydrogen gas.

Arrange the following hydrogen halides in the Increasing order of their acidic strength. HI, HBr, HCI, HF.

Examine the samples given. a) 20g He b) 44.8 L of NH_3 at STP c) 67.2 L N_2 at STP d) 1 mole of H_2 SO_4 e) 180g of water i) Arrange the samples in the increasing order of the number of molecules in each. ii) What will be the ascending order of the number of atoms? iii) What will be the mass of samples b,c, and d?

Arrange the following in the decreasing order of number of molecules. a) 160g Oxygen gas b) 67.2L NH_3 , at STP. c) 4GMM Nitrogen

Arrange the following in the increasing order of their mass. a. 1 g of Ca b. 12 amu of carbon c. 6.023 xx 10^23 molecules of CO_2 d. 11.2L of N_2 at STP e. 1 mole of H_2 O

Arrange the following in the increasing order of their mass. 1 g of Ca, 12 amu of C, 6.022*10^23 molecules of CO_2 , 11.2 L of N_2 at STP.

Pick out the correct statements from the following. Also correct the incorrect state-ments: The number of molecules present in 1 mol hydrogen and 1 mol oxygen are same.

Calculate the following in three moles of ethane (C_2H_6) Number of moles of hydrogen atoms

Calculate the number of molecules in each of the following: 1 g N_2