In this combustion reaction C2H6 + O2 --> CO2 + H2O. If 15 g of C2H6 are combusted, how much grams of water will be produced? BALANCED THE EQUATION FIRST

Based on the equation and the information in the table, what is the enthalpy of the reaction?

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

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m