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A higher temperature of fresh concrete results in a hydration of cement.
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Condensation happens when water vapor cools. true or false? ?
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What is the enthalpy of combustion (per mole) of c4h10 (g)? –2,657.5 kj/mol –5315.0 kj/mol –509.7 kj/mol –254.8 kj/mol
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Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c
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The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
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A higher temperature of fresh concrete results in a hydration of cement....
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