Enthalpy of combustion of ethyl alcohol, c2 h5 oh, is – 950 kj mol–1. how much heat is evolved when one gram of ethyl alcohol burns?

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action