Other Chemistry Answers

3 .What is the resulting volume if the temperature is adjusted to 320K provided that the pressure remains constant?

What is the ionic strength of a solution composed

of O.M NaCl and 0.2M Na,SO,?

1. A feedstuff weighing 2 g and moisture content at 5%. When estimating the crude protein, use 82 ml of HC1 (0.01 N) (Plank volume = zero). Calculate

i. The percentage of crude protein base on dry matter.

ii. The percentage of crude protein base on natural (fresh) material.

iii. The percentage of crude protein base on organic matter, when crude ash in the feedstuff is 0.3 g.

Helium gas is contained inside a piston cylinder assembly as shown in the figure. Initially the gas is having pressure 1 bar and volume 0.01 m3. Then the current is supplied, and the gas is heated such that the final pressure is 1.2 bar and the final volume is 0.0145 m3

. 10 % of the electrical energy supplied to the gas is lost as heat from the cylinder. Determine the followings. If necessary, make assumption(s) with justification.

(a) How long the current is supplied if process is ideal?

(b) How long the current is supplied if process is real?

Helium gas is contained inside a piston cylinder assembly as shown in the figure. Initially the gas is

having pressure 1 bar and volume 0.01 m3. Then the current is supplied, and the gas is heated such that the final pressure is 1.2 bar and the final volume is 0.0145 m3

10 % of the electrical energy supplied to the gas is lost as heat from the cylinder. Determine the followings. If necessary, make assumption(s) with justification.

(a) How long the current is supplied if process is ideal?

(b) How long the current is supplied if process is real?

Helium gas is contained inside a piston cylinder assembly as shown in the figure. Initially the gas is

having pressure 1 bar and volume 0.01 m3. Then the current is supplied, and the gas is heated such that the final pressure is 1.2 bar and the final volume is 0.0145 m3

10 % of the electrical energy supplied to the gas is lost as heat from the cylinder. Determine the followings. If necessary, make assumption(s) with justification.

(a) How long the current is supplied if process is ideal?

(b) How long the current is supplied if process is real?

The equilibrium mixture is found to contain 0.07, 0.11,0.03 and 0.03 moles of CO ,H2, CH4, H2O respectively for the reaction:

CO(g)+3H2(g)0. CH4=H2O(g)

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