Calculate the entropy change in J/mol-K for the reaction: C3H8(g) + 5O2(g) ---> 3CO2(g) + 4H2O(g)

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.