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What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.
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How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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This reaction shows the decomposition of calcium carbonate. What type of reaction is this?
2NH4NO3...
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