Using the data in the tables and Coulomb's law, calculate the energy change for this reaction (per formula unit of MgSMgS). Mg(g)+S(g)⟶ MgS(g)

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

What is the mass of 0.46 mol of mgcl2

What is the correct equation for cellular respiration?