Physics, 27.01.2020 22:31 Gabbymadrid3240
A. if 0.96 kg of iron at 120°c is added to 0.75 kg of water at 20°c, what will be the final temperature of the system?
b. by touching the side of a beaker, a student concludes that an endothermic change is taking place inside it. write 2 - 3 sentences explaining how the student came to that conclusion and comparing the energy o the products of an endothermic reaction with the energy of the reactants.
c. as a substance freezes, its temperature does not change. how does the potential energy of the molecules of the substance change as a result of the heat released? what type of energy must decrease in order for the temperature to decrease?
Answers: 2
Physics, 22.06.2019 22:10
M1 = 2.8 kg, m2 = 6.72 kg, m3 = 11.2 kg, byas in .is ,is .toof m3 it 0.91 m. (in m/s)
Answers: 3
Physics, 23.06.2019 03:30
Ineed to answer this problem but i lack in knowledge, what should i study to answer this problem? i have never used derivatives in a physics problem so i'm not sure what's happening and i can't find videos explaining.
Answers: 2
Physics, 23.06.2019 09:50
Estimates show that the total energy output of the sun is 5 × 1026 j/s. what is the corresponding loss in kg/s of the sun?
Answers: 3
A. if 0.96 kg of iron at 120°c is added to 0.75 kg of water at 20°c, what will be the final temperat...
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