Question

Please help me guys please ​

Answer 1

Answer:

15 bar

Explanation:

A mixture of N₂ and Ar gases in a cylinder contains 7 g of N₂ and 8 of Ar. If the total pressure of the mixture of the gases in the cylinder is 27 bar, the partial pressure of N₂ is: [Use atomic masses (in g mol¯¹): N = 14, Ar = 40] 15 bar.

hope it helped

Answer 2

Answer:

The linear magnification of the concave lens is -1,when object is kept at

a)At infinity

b)At focus

c)At 2F1

d) between F1 and2F1