Water forms according to the equation below: How much energy is released during the formation of 1 mol H2O(g)?

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these