Potassium chlorate decomposes according to the following chemical equation: 2kclo3 > 2kcl + 3o2, if you start with 458 g of kclo3, what mass (g) of o2 will be produced? a. 83.71 l o2 b. 179.39 l o2 c. 687 l o2 d. 67.2 l o2

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy