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Using standard heats of formation, calculate the standard enthalpy change for the following reaction. 4HCl(g) O2(g)2H2O(g) 2Cl2(g) ANSWER: kJ
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?
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Using standard heats of formation, calculate the standard enthalpy change for the following reaction...
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