Liquid hexane  CH3CH24CH3  will react with gaseous oxygen  O2  to produce gaseous carbon dioxide  CO2  and gaseous water  H2O . Suppose 78. g of hexane is mixed with 175. g of oxygen. Calculate the minimum mass of hexane that could be left over by the chemical reaction. Round your answer to  2  significant digits. g

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.