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Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
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According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.
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About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
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Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon
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Which electromagnetic wave has wavelengths ranging from the size of a printed period to the length o...
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