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1 a ) In reaction where the molar enthalpy change with respect to bismuth ( V ) oxide is + 1 5 . 2 0
a In reaction where the molar enthalpy change with respect to bismuth V oxide is kJmol a student reaction absorbs kJ How many moles of bismuth V oxide reacted?
b Consider the following reaction: In order to produce kJ of heat energy, how many moles of FeS must react? FeSsOgFeOsSOgkJ
c In the chemical reaction NHgHOlNOgHgIf the rate nitrogen dioxide is measured to be molLs produced, what would the rate of consumption of water be
d When solid ammonium chloride, NHCl is added to water, the temperature of the solution decreases. Which statement best describes this observation?
a NHCls kJ NHaq Claq
b Heat is released from the system
NHCls does not dissolve in water.
The reaction is exothermic
NHCls NHaq Claq kJ
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