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andreev551 [17]
3 years ago
9

Chlorine is widely used to purify municipal water supplies and to treat swimming pool waters. suppose that the volume of a parti

cular sample of cl2 gas is 8.80 l at 895 torr and 25 ∘c. at what pressure will the volume equal 5.90 l if the temperature is 56 ∘c?
Chemistry
2 answers:
Olegator [25]3 years ago
8 0

Answer:

The pressure of the chlorine gas with volume equal 5.90 L at 56°C is 1,473.7 Torr.

Explanation:

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure chlorine gas = 895 Torr =\frac{895}{760}atm= 1.18 atm

1 atm = 760 Torr

P_2 = final pressure chlorine gas = ?

V_1 = initial volume chlorine gas =8.80 L

V_2 = final volume chlorine gas = 5.90 L

T_1 = initial temperature chlorine gas = 25^oC=273.15+25=298.15 K

T_2 = final temperature chlorine gas = 56^oC=273.15+56=329.15 K

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

P_2=\frac{P_1V_1\times T_2}{T_1\times V_2}

=\frac{1.18 atm\times 8.80 L\times 329.15 K}{298.15 K\times 5.90 L}

P_2=1.94 atm=1.94\times 760 Torr=1,473.7 Torr

The pressure of the chlorine gas with volume equal 5.90 L at 56°C is 1,473.7 Torr.

Whitepunk [10]3 years ago
7 0

Answer:

1474.0 torr.

Explanation:

  • To calculate the no. of moles of a gas, we can use the general law of ideal gas: <em>PV = nRT.</em>

where, P is the pressure of the gas in atm.

V is the volume of the gas in L.

n is the no. of moles of the gas in mol.

R is the general gas constant.

T is the temperature of the gas in K.

  • If n is constant, and have two different values of (P, V and T):

<em>P₁V₁T₂ = P₂V₂T₁</em>

<em></em>

P₁ = 895.0 torr, V₁ = 8.8 L, T₁ = 25°C + 273 = 298 K.

P₂ = ??? torr, V₂ = 5.9 L, T₂ = 56°C + 273 = 329 K.

<em>∴ P₂ = P₁V₁T₂/V₂T₁</em> = (895.0 torr)(8.8 L)(329 K)/(5.9 L)(298 K) = <em>1474.0 torr.</em>

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