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jenyasd209 [6]
3 years ago
10

How much heat energy is required to raise the temperature of 20 kilograms of water from 0°C to 35°C?

Chemistry
1 answer:
alexgriva [62]3 years ago
7 0
The heat energy needed is 2928800J. Mass is given as 20 (kg)
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<span>A 1 molar solution is the molecular weight in grams in 1 litre of water, so a 3.5 molar solution would be 58.44g multiplied by 3.5, which is 204.54g in 1L.</span>
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Two pipes with 1 meter diameters join to become one pipe with 2 meter diameter. Water was flowing in first pipe at 500 kg/s and
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Answer:

The mass flow rate at the exit of the 2 meter diameter pipe is 1442 kg/s

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3 0
3 years ago
A gas tank holds 20000 liters at 850 torr. If the temperature remains constant, what will the volume, in L, of the gas be at sta
nekit [7.7K]

Answer: 22368.4 Liters

Explanation:

Initial Volume of gas V1 = 20000 liters

Initial pressure of gas P1 = 850 torr

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Final (standard) pressure P2 = 760 torr

Apply the formula for Boyle's law:

P1V1 = P2V2

850torr x 20000L = 760torr x V2

V2 = (850torr x 20000L)/ 760torr

V2 = (17000000)/760torr

V2 = 22368.4L

Thus, the volume of the gas at standard pressure is 22368.4 Liters

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4 years ago
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