3 years ago

1 The process of a solid turning into a liquid is called

Chemistry

2 answers:

katrin [286]3 years ago

7 0

Answer:

Melting

Explanation:

Once heat is added it will turn to a liquid

Alekssandra [29.7K]3 years ago

4 0

Melting is the process of turning solid to liquid.

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Find the heat produced from an 8.00 L cylinder of propane gas under 5.00 atm at 25.0 oC, if one mole of propane can produce 2220

Andrei [34K]

Answer: 3597 kJ of heat

Explanation:

According to ideal gas equation:

$PV=nRT$

P = pressure of gas = 5.00 atm

V = Volume of gas = 8.00 L

n = number of moles = ?

R = gas constant = $0.0821Latm/Kmol$

T =temperature = $25.0^0C=(25.0+273)K=298K$

$n=\frac{PV}{RT}$

$n=\frac{5.00atm\times 8.00L}{0.0821 L atm/K mol\times 298K}=1.63moles$

As it is given :

1 mole of propane produces = 2220 kJ of heat

Thus 1.63 moles of propane produces = $\frac{2200}{1}\times 1.63=3597kJ$

Thus 3597 kJ of heat is produced

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3 years ago

Read 2 more answers

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