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How much heat is needed to change the temperature of 3 grams of gold (c = 0.129 ) from 21°c to 363°c? the answer is expressed to the nearest whole number.
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Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.
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Acar engine changes chemical potential energy into the blank energy of the moving car?...
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