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Chemistry / Chemistry 11 / Chapter 6 / Problem 122P

Chemistry | 11th Edition | ISBN: 9780073402680 | Authors: Raymond Chang

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Solved: The height of Niagara Falls on the American side

Chapter 6, Problem 122P

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QUESTION:

The height of Niagara Falls on the American side is 51 m. (a) Calculate the potential energy of 1.0 g of water at the top of the falls relative to the ground level. (b) What is the speed of the falling water if all of the potential energy is converted to kinetic energy? (c) What would be the increase in temperature of the water if all the kinetic energy were converted to heat? (See Problem 6.121 for suggestions.)

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QUESTION:

The height of Niagara Falls on the American side is 51 m. (a) Calculate the potential energy of 1.0 g of water at the top of the falls relative to the ground level. (b) What is the speed of the falling water if all of the potential energy is converted to kinetic energy? (c) What would be the increase in temperature of the water if all the kinetic energy were converted to heat? (See Problem 6.121 for suggestions.)

ANSWER:

Step 1 of 4

(a) Here we have to calculate the potential energy of 1.0 g of water at the top of the falls relative to the ground level.

Given:

Height of the fall = 51 m

Mass of water = 1.0 g or 0.0010 kg

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