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Motivation cannot be developed with practice; a person either possesses it or they do not.
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Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.
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Aliter of the gas mixture at equilibrium contains 0.0045 mol of n2o4 and 0.030 mol of no2 at 10c. wr...
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