(thermodynamics)

how much energy needs to be added to react of 20.0mol cl_2 with excess ch_4? ∆h = 45.6 kj

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Amixture with the same composition throughout is!

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.