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On a hot day, the temperature of an $80,000$ -L swimming pool increases by $1.50^{\circ} \mathrm{C}$ . What is the net heat transfer during this heating? Ignore any complications, such as loss of water by evaporation.

$Q=5.02 \times 10^{8} J$

Physics 101 Mechanics

Chapter 14

Heat and Heat Transfer Methods

Thermal Properties of Matter

Girlly Q.

November 17, 2020

Rutgers, The State University of New Jersey

University of Washington

Hope College

University of Winnipeg

Lectures

02:20

A solid, liquid, or gas is one of the three main states of matter. Solids have a definite shape and volume, and retain their shape when a force is applied to them. They are rigid, and do not flow to take on the shape of a container, but retain their own shape. Solids are held together by intermolecular forces, which are usually chemical bonds. Liquids have a free-flowing, continuous surface, and take the shape of a container. They flow to fill an available space. Their particles do not have a definite shape or volume, and they are not rigid. Gases have no definite shape or volume. They are not held together, and are not rigid. They flow to fill an available space. Gases are often described as being the state of matter with the lowest density.

06:13

Matter is a state of aggregation for a collection of atoms, molecules, ions, or particles. It is a general term for the substance of which all physical objects consist.

01:45

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Let's first convert all the quantities in proper units of what Loomis given us. 80,000 liters. Well, in terms off meter, it will be 80,000 times 10 power negative three meter cube. So it is 80 meter cube. It's a good practice to do this density of water, bro is 1000 kilogram of me. Took you no were also given the change in temperature, which is equal to 1.5 degrees Celsius. In terms of Kelvin, it's same because it's a change in temperature, not absolute temperature. So change in temperature in Celsius and Calvin are saying things. Now let's find the cue. The heat transfer heat transfer is mass times specific. Eight times Delta T now Massa Water will be volume times the density. See Delta T Let's no substitute the values. Volume is 80. We took you. Density is 1000. Sea is full 186 which has a unit itself Jule per kilogram per degree Kelvin or degree Celsius changing degree Celsius. I should say then Delta T is 1.5. If you calculate this, you'll get 5.2 times 10 power eight juice so toe heat the water for increased the temperature water by 1.5 degrees Celsius. We need 5.202 times 10 power, eight jewels off energy Because violin a porter is very high. Thank you.

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