Question

11-The no. of atoms in 1.4 g N2 gas is :

12-The no. of molecules in 89.6 L of a gas at N.T.P are :
answer thi 11 and 12 ​

Answer 1

Answer:

11) In N₂, there are 2 atoms, so to obtain number of atoms we will multiply with 2 in number of molecules.

12) volume of any gas in one mole is 22.4 liters. So, to find no. of moles in 89.6 liters = 89.6/22.4 =4 moles .

Explanation:

Answer 2

Answer:

• Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. ... Cells have many parts, each with a different function.

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