Chemistry, 03.08.2019 01:30 peggycab4201
Explain the energy transformation that occurs when a hair dryer is plugged in and turned on. a. chemical energy transforms into electrical and sound energy. b. electrical energy transforms into mechanical and thermal energy. c. mechanical energy transforms into chemical and electrical energy. d. thermal energy transforms into electrical and gravitational energy.
Answers: 1
Chemistry, 22.06.2019 09:00
Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
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Chemistry, 22.06.2019 18:00
Heat is the total potential energy of a substance that can be transferred. true false
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Chemistry, 22.06.2019 19:30
What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm
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Explain the energy transformation that occurs when a hair dryer is plugged in and turned on. a. chem...
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