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10. As water is heated, its temperature rises. Water molecu...
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10. As water is heated, its temperature rises. Water molecules gain more kinetic
energy and they move faster. What does the gained energy do to the water
molecules?
A. It increases the number of water molecules.
B. It overcomes the forces of attraction.
C. It converts it to other forms of energy.
D. It arranges the molecules in order.
.
Answers: 2
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Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.
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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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