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Does seeing a gas produced always mean a chemical reaction is occurring? Explain.
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Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1
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3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?
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Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.
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Does seeing a gas produced always mean a chemical reaction is occurring? Explain....
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