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rosijanka [135]
3 years ago
6

To what temperature must a balloon, initially at 25°c and 2.00 l, be heated in order to have a volume of 6.00 l?

Chemistry
2 answers:
Kaylis [27]3 years ago
6 0
V1 = 2.00 L 
<span>T1 = 25 + 273 = 298 K </span>
<span>V2 = 6.00 L </span>
<span>T2 = ? </span>
<span>Assuming the pressure is to remain constant, then </span>
<span>V1/T1 = V2/T2 </span>
<span>T2 = T1V2/V1 = (298)(6)/(2) = 894 deg K</span>
svp [43]3 years ago
3 0

Answer: 894 K

Solution :

Charles' Law: This law states that volume is directly proportional to the temperature of the gas at constant pressure and number of moles.

V\propto T     (At constant pressure and number of moles)

The combined gas equation is,

\frac{V_1}{T_1}=\frac{V_2}{T_2}

where,

V_1 = initial volume of gas = 2.00 L

V_2 = final volume of gas = 6.00 L

T_1 = initial temperature of gas = 25^oC=273+25=298K

T_2 = final temperature of gas = ?

Now put all the given values in the above equation, we get the final temperature of the gas

\frac{2.00L}{298K}=\frac{6.00L}{T_2K}

T_2=894K

Therefore, the temperature must be 894 K in order for balloon to have a volume of 6.00 L.

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