How many g of ethanol (C2H5OH) would be necessary to produce 15.0 x 103 kJ? edit: I found out later that this problem is not possible so plz don't answer this

What does x represent in the formula for the compound xcl4?

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 best discribes the relationship between wavelength and frequency in a electromagnetic wave