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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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Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.
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What is matter? a. anything that has mass and takes up space b. something that has volume and takes up space. c. things that have energy and take up space d. things that take up space but don't have mass
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If 190.5 grams of copper metal reacts, how many grams of silver metal will be produced?...
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