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11111nata11111 [884]
3 years ago
10

The heat content of a system is?

Chemistry
1 answer:
satela [25.4K]3 years ago
5 0
Are you looking for the word "enthalpy"? It's defined as the heat content of a system. We can never know the actual enthalpy of a system, only measure changes in it.
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A chemical change involves the formation or the breaking of bonds. true or false
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8 0
4 years ago
The pressure inside a compressed gas cylinder is 144 atm at 48°C. What will the pressure inside the cylinder be after it is cool
Andrews [41]
<h3>Answer:</h3>

134 atm

<h3>Explanation:</h3>
  • Based on the pressure law, the pressure of a gas varies directly proportionally to the absolute temperature at a constant volume.
  • Therefore; we are going to use the equation;

\frac{P1}{T1}=\frac{P2}{T2}

In this case;

Initial pressure, P1 = 144 atm

Initial temperature, T1 (48°C) = 321 K

Final temperature, T2 (25°C) = 298 K

We need to find the final pressure,

Therefore;

P2 = (P1/T1)T2

    = (144/321)× 298 K

    = 133.68 atm

   = 134 atm

Therefore, the new pressure will be 134 atm.

5 0
4 years ago
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