Chemistry

Chemistry, 05.10.2019 23:30, edgardo34

If 41grams of water at 24°c absorbs 2208 j of heat energy, what will be the final temperature of the water?

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Chemistry, 06.07.2019 16:00, Vivi4558

In an experiment, equal amounts of water and sand were heated under a lamp. the initial and final temperatures of each were recorded. a partial record of the temperature is shown. experimental record substance initial temperature final temperature water 20 °c ? sand 20 °c 26 °c which statement about the final temperature of water is correct? it will be less than 26 °c as sand has a relatively higher specific heat than water. it will be less than 26 °c as water has a relatively higher specific heat than sand. it will be more than 26 °c as sand needs relatively higher energy than water to raise its temperature. it will be more than 26 °c as water needs relatively higher energy than sand to raise its temperature.

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History, 13.07.2019 10:30, ctyrector

)what property of water explains why large bodies of water do not quickly fluctuate in temperature? lake and ocean water has a ph above 7, which requires more energy to increase its temperature. many things dissolve well in water, and the high concentration of salt absorbs excess energy. water has a high specific heat capacity, so it takes a lot of energy to increase its temperature. dense surface water sinks after absorbing energy, which cycles the excess energy through the water.

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Engineering, 05.11.2019 01:31, jillianbarnes2565

Electric power is often used to generate heat. you might use an electric kettle to heat up 12 ounces of water for a mug of tea. water has a very high heat capacity, so this uses a lot of energy. we can use the specific heat of water (cwater = 4186 j/kgºc) to calculate the total energy e required to heat the water: e = cmδt, where c is specific heat, m is the mass of water, and δt is the change in temperature. assume that the water starts at room temperature (25 degree c). how much energy (in joules) is required to heat the water to boiling (100 degree c? if the price for electricity is 10.78c/kwh from pacific power in oregon, how many mugs of tea can you make for $1? (assume that water and tea are free, and assume that the water absorbs all of the electric power delivered. note: these are generally unsafe assumptions.) your electric kettle operates at a constant current of 10a and a constant voltage of 120v. how much energy does it consume in five minutes of continuous operation? how many mugs of tea can this heat? how much would this energy cost using the pacific power rate in 2b?

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Biology, 14.11.2019 06:31, Wookas8355

The movement of water is able to transport minerals and nutrients. which statement best explains why water is able to do this? a. water is an excellent solvent. b. water absorbs heat energy. c. water has a density of one gram per milliliter. d. water is a liquid at room temperature.

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If 41grams of water at 24°c absorbs 2208 j of heat energy, what will be the final temperature of the...

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