Measurements show that the energy of a mixture of gaseous reactants decreases by 179. 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 -118. 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 2 significant digits. Is the reaction exothermic or endothermic? 0 kJ O exothermic O endothermic X

Measurements show that the energy of a mixture of gaseous reactants increases by 301. 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 – 104. kJ of work is done on the mixture during the reaction. Calculate the change in enthalpy of the gas mixture during the reaction. Be sure your answer has the correct number of significant digits. O exothermic ? Is the reaction exothermic or endothermic? O endothermic

As a system increases in volume, it absorbs 52.0 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.597 atm. The final volume of the system is 58.6 L. What was the initial volume of the system if the internal energy of the system decreased by 106.2 J? Volume =  L

Measurements show that the energy of a mixture of gaseous reactants decreases by 373. 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 136. 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 x10 significant digits. exothermic Is the reaction exothermic or endothermic? endothermic

Measurements show that the enthalpy of a mixture of gaseous reactants increases by 195.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 69.kJ of work is done on the mixture during the reaction.  Calculate the change in energy of the gas mixture during the reaction. Be sure your answer has the correct number of significant digits. Is the reaction exothermic or endothermic?

Measurements show that the energy of a mixture of gaseous reactants decreases by 374. 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 176. 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 0x1 x10 X Ś