Chemistry, 27.03.2021 02:00 haylie1456
A sample is prepared by adding 10 grams of oxygen gas to 10 grams of nitrogen gas. No energy change is observed. Which of the following best describes this sample?
1 a mixture that is 50% oxygen by mass
a compound that is 50% oxygen by mass
a mixture in which 50% of the atoms are oxygen
a compound in which 50% of the atoms are oxygen
Answers: 1
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A sample is prepared by adding 10 grams of oxygen gas to 10 grams of nitrogen gas. No energy change...
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