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What is the percent by mass of oxygen in fe2o3
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Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e
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How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.
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Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.
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What is the percent by mass of oxygen in fe2o3...
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