Which of the following parts of the electromagnetic spectrum have longer wavelengths than those witnessed in the visible spectrum? A. Cosmic waves B. X-rays C. Gamma rays D. Infrared

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Infrared parts of the electromagnetic spectrum have longer wavelengths than those witnessed in the visible spectrum.

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Asked 7/13/2018 7:32:37 AM

Updated 7/2/2019 8:01:02 AM

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maydj

Infrared parts of the electromagnetic spectrum have longer wavelengths than those witnessed in the visible spectrum.

Added 7/2/2019 8:01:02 AM

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How much energy (in joules) is released when 0.002 kg of ethyl alcohol vapor is condensed to a liquid at the same temperature?

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Updated 5/14/2023 12:43:53 PM

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StarandSiri

The energy released when 0.002 kg of ethyl alcohol vapor is condensed to a liquid at the same temperature can be calculated using the heat of vaporization of ethyl alcohol, which is approximately 841 kJ/kg.

Therefore, the energy released can be calculated as follows:

Energy = mass x heat of vaporization
Energy = 0.002 kg x 841 kJ/kg
Energy = 1.68 joules (rounded to two decimal places)

Added 5/14/2023 12:43:53 PM

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Confirmed by oldwallet [5/21/2025 12:41:42 PM]

During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, A. both the intake and exhaust valves are open. B. the exhaust valve is open and the intake valve is closed. C. the intake valve is open and the exhaust valve is closed. D. both the intake and exhaust valves are closed.

Weegy: During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, both the intake and exhaust valves are closed. (More)

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Asked 7/7/2018 2:37:26 PM

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On the Celsius scale, one degree indicates the same temperature change as A. one degree Fahrenheit. B. one kelvin. C. 5/9 degree Fahrenheit. D. 9/5 kelvin.

Weegy: One degree Celsius indicates the same temperature change as ONE KELVIN. (More)

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Updated 7/7/2018 3:21:39 PM

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How much energy (in joules) is released when 0.06 kilograms of mercury is condensed to a liquid at the same temperature? A. 20,075.04 J B. 17,705.1 J C. 51,302.88 J D. 697.08 J

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Updated 5/3/2020 7:20:32 PM

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emdjay23

697.08 J of energy (in joules) is released when 0.06 kilograms of mercury is condensed to a liquid at the same temperature.

Latent heat = m (deltaH) , 0.06 *11.6 = 0.697 KJ = 697.08.

Added 5/3/2020 7:20:32 PM

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Which of the following is not a requirement of a practical fuel? A. It must be made up of elements that combine easily with oxygen. B. It must be in the solid state to be used. C. It must occur in abundance in nature or be easy to produce. D. It must contain a large amount of stored energy.

Weegy: It must be in the solid state to be used is not a requirement of a practical fuel. User: A temperature of 273 K is the temperature at which water A. boils. B. freezes. C. evaporates. D. is at its densest. Weegy: A temperature of 273 K is the temperature at which water freezes. User: 20 cubic inches of a gas with an absolute pressure of 5 psi is compressed until its pressure reaches 10 psi. What's the new volume of the gas? (Assume that there's no change in temperature.) A. 10 cubic inches B. 5 cubic inches C. 100 cubic inches D. 40 cubic inches Weegy: 20 cubic inches of a gas with an absolute pressure of 5 psi is compressed until its pressure reaches 10 psi. The new volume of the gas is 10 cubic inches. Solution: V2 = P1,V1 / P2; V2 = 20 × 5 / 10; V2 = 100/10; V2 = 10 cubic inches. (More)

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Asked 7/7/2018 3:09:30 PM

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