Hydrogen gives off 120. J/g of energy when burned in oxygen, and methane gives off 50. J/g under the same circumstances. If a mixture of 5.0 g of hydrogen and 10. g of methane is burned, and the heat released is transferred to 50.0 g of water at 25.0C, what final temperature will be reached by the water
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %
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Hydrogen gives off 120. J/g of energy when burned in oxygen, and methane gives off 50. J/g under the...
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