Arrange the following elements in order of increasing ionization energy: Calcium, Copper, Chromium, Cobalt, Potassium and Iron

Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2