Chemistry, 23.03.2020 01:54, bbanfield1

A sample is prepared by adding 10 grams of oxygen gas to 10 grams of nitrogen gas. No energy change is observed. which best describes sample
A )a mixture that is 50% oxygen by Mass
B) a compound that is 50% oxygen by Mass
C) a mixture in which 50% of the atoms are oxygen
D) a compound in which 50% of the atoms are oxygen

Answers: 2

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A sample is prepared by adding 10 grams of oxygen gas to 10 grams of nitrogen gas. No energy change...