Chemistry
Chemistry, 01.07.2019 19:30, michael1498

When you put an ice cube into a glass of room temperature water, why does the water get cold?

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Chemistry, 10.07.2019 15:30, karateprincess1
Plz ! which of the following has more energy? question 6 options: a glass of water in the fridge. an ice cube. a glass of cold water from the facuet. a glass of water that has been sitting in the sun
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Biology, 21.08.2019 02:00, wwwclarajohnson39
An ice cube, a glass of cold water, and a swimming pool are each exposed to the samme amount of sunlight on a hot day. after five minutes, the ice cube is melted and the cold drink is two degrees warmer, but the temperature of the swimming pool remains unchanged. what is the best explanation for these observations? a. the ice cube has a higher heat capacity than the glass of water and the pool b.the ice cube has a lower heat capacity than the glass of water and the pool c. the ice cube and the glass of water have higher heat capacities than the swimming pool
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Mathematics, 26.08.2019 13:30, pk4mk
In an experiment, it is discovered that the temperature difference( in °c) between a glass of hot water and the room decreases by 4 % every minute. suppose that the original temperature of the glass of hot water is 100°c and the room temperature is 20 °c. let d °c be the temperature difference between the glass of hot water and the room after t minutes. (a) express d in terms of t. (b) find the temperature of the glass of hot water after 15 minutes, correct to the nearest °c. (c) (i) make t the subject of the equation in (a). (ii)find the time required for the temperature of the hot water to decrease to 30°c, correct to the nearest minute.
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Chemistry, 09.11.2019 10:31, something69
Why did the hot water stay on top of the cold water? why do you think the hot and cold water mixed when the cold water was placed on top of the hot water? compare the volume, mass, and density of cold and hot water? also in the picture the one on the left is cold water, the one in the middle is room temperature water, and the one on the right is hot water.
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