Which of the two substances below have the same number of oxygen atoms? 1 C₂H₆O 2 C₈H₁₈ 3 CH₃CH₂Br 4 C₄H₁₀O

The fact that the total amount of energy in a system remains constant is a(n)

What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.