1-propanol is combusted to provide heat. the reaction and the enthalpy for the reaction are shown below. c3h7oh(l)+4.5o2(g)-> 3co2(g)+4h2o(l)deltah=-2,021kj below is a list of sentences that describe a chemical reaction. choose all of the sentences that apply to the above reaction. check all that apply. view available hint(s) check all that apply. the enthalpy for 2c3h7oh(l)+9o2(g)-> 6co2(g)+8h2o(l) is 4,042 kj this process is endothermic. this process is exothermic. the enthalpy for 2c3h7oh(l)+9o2(g)-> 6co2(g)+8h2o(l) is -4,042 kj the enthalpy for 2c3h7oh(l)+9o2(g)-> 6co2(g)+8h2o(l) is 2,021 kj this chemical reaction transfers heat from the surroundings to the system. the enthalpy for 2c3h7oh(g)+9o2(g)-> 6co2(g)+8h2o(l) is -2,021 kj this chemical reaction transfers heat from the system to the surroundings.