Measurements show that the energy of a mixture of gaseous reactants decreases by 285. kJ during a certain chemical reaction, which is carried out at a constant pressure. Furthermore, by carefully monitoring the volume change it is determined that 114. kJ of work is done on the mixture during the reaction. Calculate the change in enthalpy of the gas mixture during the reaction. Round your answer to 3 significant digits. Is the reaction exothermic or endothermic? O exothermic O endothermic X 5

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Measurements show that the energy of a mixture of gaseous reactants decreases by 285. kJ during a certain chemical reaction, which is carried out at a
constant pressure. Furthermore, by carefully monitoring the volume change it is determined that 114. kJ of work is done on the mixture during the reaction.
Calculate the change in enthalpy of the gas mixture
during the reaction. Round your answer to 3
significant digits.
Is the reaction exothermic or endothermic?
kJ
exothermic
endothermic
x10
X
0/5
Ś
?
Transcribed Image Text:Пру Measurements show that the energy of a mixture of gaseous reactants decreases by 285. kJ during a certain chemical reaction, which is carried out at a constant pressure. Furthermore, by carefully monitoring the volume change it is determined that 114. kJ of work is done on the mixture during the reaction. Calculate the change in enthalpy of the gas mixture during the reaction. Round your answer to 3 significant digits. Is the reaction exothermic or endothermic? kJ exothermic endothermic x10 X 0/5 Ś ?
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