What type of reaction is Ca + I2 = CaI2

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Convert .347 kilometers to miles show your work

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)