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Is the equation C2H4 —> 2C + 2H2 + 52.3 exothermic or endothermic?
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This chart represents the melting point of several substance. what besy explains the high melting point of the salt?
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Arecipe calls for 1.2 cups of oil. how many liters of oil is this?
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What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5
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Chemistry, 22.06.2019 18:30
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
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Is the equation C2H4 —> 2C + 2H2 + 52.3 exothermic or endothermic?...
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