Chemistry, 08.01.2020 01:31 george27212
When 13.0 g of a hydrocarbon are burned in excess o2, 9.0 g of h2o are formed. what is the formula of the hydrocarbon?
Answers: 1
Chemistry, 22.06.2019 09:00
Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?
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Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Chemistry, 22.06.2019 19:50
If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
Answers: 2
When 13.0 g of a hydrocarbon are burned in excess o2, 9.0 g of h2o are formed. what is the formula o...
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