Chemistry, 10.10.2020 22:01 lobatospitones
Which of the following statements is true?
Temperature is an average measure of the heat energy in a substance.
The transfer of heat in a fluid does not require physical contact between molecules.
The sun's energy comes from the nuclear reactions of changing hydrogen into helium.
All of the above.
Answers: 1
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Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -
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Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent
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If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?
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Which of the following statements is true?
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