C. 840 D. 2053...........

In a quasi-static isobaric expansion, 700 J of work are done by the gas. If the gas pressure is 0.40 atm, what is the fractional

nordsb [41]

Answer : The fractional increase in the volume of the gas is, 1.78

Explanation :

Formula used to calculate the work done by the gas in quasi-static isobaric expansion is:

$w=p\times dV$

Isobaric means, at constant pressure.

$w=p\times (V_f-V_i)$

where,

w = work done by the gas = 700 J = 6.909 L.atm (1 L.atm = 101.32 J)

p = pressure of the gas = 0.40 atm

$V_f$ = final volume = ?

$V_i$ = initial volume = 22.0 L

Now put all the given values in the above formula, we get:

$w=p\times (V_f-V_i)$

$6.909L.atm=0.40atm\times (V_f-22.0)L$

$V_f=39.3L$

Now we have to calculate the fractional increase in the volume of the gas.

Fractional increase in the volume of the gas = $\frac{V_f}{V_i}$

Fractional increase in the volume of the gas = $\frac{39.3L}{22.0L}$

Fractional increase in the volume of the gas = 1.78

Thus, the fractional increase in the volume of the gas is, 1.78

5 0

4 years ago

Given the equation representing a solution equilibrium: BaSO4(s) <—> Ba2+ (aq) + SO4 2- (aq)

goldenfox [79]

Answer:

The equilibrium shifts to the left, and the concentration of Ba2+(aq) decreases

Explanation:

Whenever a solution of an ionic substance comes into contact with another ionic compound with which it shares a common ion, the solubility of the ionic substance in solution decreases significantly.

In this case, both BaSO4 and Na2SO4 both possess the SO4^2- anion. Hence SO4^2- anion is the common ion. Given the equilibrium;

BaSO4(s) <—> Ba2+ (aq) + SO4 2- (aq), addition of Na2SO4 will decrease the solubility of BaSO4 due to the presence of a common SO4^2- anion compared to pure water.

This implies that the equilibrium will shift to the left, (more undissoctiated BaSO4) hence decreasing the Ba^2+(aq) concentration.

3 0

3 years ago

Which statement explains how this type of fossil differs from a trace fossil?

KatRina [158]

The answer is:

This fossil was an organism that has been turned into rock.

glad to help!

7 0

4 years ago

Read 2 more answers

The methane used to obtain H₂ for NH₃ manufacture is impure and usually contains other hydrocarbons, such as propane,C₃H₈. Imagi

Sindrei [870]

The ideal gas law states that the relationship between partial pressure and volume is inverse. Additionally, it relates temperature and moles in a direct proportion. The partial pressures of the gases are found to be PN2 = 0.094 atm, PH2 = 0.039 atm, and PNH3 = 0.003 atm in the following reaction at equilibrium at room temperature.

<h3>What is ideal gas law ?</h3>

PV = NkT, where P is a gas's absolute pressure, V is the volume it occupies, N is the quantity of atoms and molecules in the gas, and T is its absolute temperature, is the formula for the ideal gas law.

Equal volumes of two gases with the same temperature and pressure will contain an equal number of molecules, according to the law. The ideal gas law is the result of the union of all these relationships.

To learn more about ideal gas law from the given link:

brainly.com/question/28257995

#SPJ4

8 0

2 years ago

What are the difference between hemogeneous mixture and heterogeneous mixture ??

AfilCa [17]

Answer:

Refer to attached file below

Hope it helps..

Have a great day :P

4 0

3 years ago