Chemistry, 15.04.2020 20:27 Jakeandjenn21
The first law of thermodynamics states that Group of answer choices a. energy is transferred from the surroundings to the system during a combustion reaction. b. if a system loses energy to the surroundings, then the surroundings must do an equal amount of work on the system. if the surroundings gain energy from the system, then the system must lose an equal amount of energy. c. energy is transferred from the system to the surroundings during a combustion reaction. d. if a system does work on the surroundings, then the surroundings must transfer an equal amount of energy to the system.
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Chemistry, 21.06.2019 23:10
Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.
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Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?
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3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?
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The first law of thermodynamics states that Group of answer choices a. energy is transferred from th...
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