Chemistry

Chemistry, 04.07.2019 06:00, surfergirlmymy

What is the empirical formula for propene (c3h6)?

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Chemistry, 05.07.2019 23:40, maxg7988

What is the empirical formula for propene (c3h6)? c2h4 c4h8 c3h6 ch2

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Chemistry, 24.08.2019 03:30, uh8hardiek

What is the empirical formula for propene (c3h6)?

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Chemistry, 07.10.2019 22:00, alayciaruffin076

To use combustion analysis data to determine an empirical formula a molecular formula expresses the number of each kind of atom in a molecule. for example, the molecular formula for propene, c3h6, indicates three carbon atoms and six hydrogen atoms per molecule. this also means that one mole of propene contains three moles of carbon and six moles of hydrogen. an empirical formula expresses the mole ratio of the elements. the empirical formula for propene is ch2, indicating twice as much hydrogen as carbon. when analyzing unknown compounds in a lab, it is often possible to identify the mole ratios, and thus the empirical formula, but not the molecular formula. notice that the molecular mass of propene, 3(12)+6(1)=42amu, is a multiple of the empirical formula mass, 1(12)+2(1)=14amu . an unknown compound contains only carbon, hydrogen, and oxygen (cxhyoz). combustion of 3.00 g of this compound produced 4.40 g of carbon dioxide and 1.80 g of water.how many moles of carbon, c, were in the original sample? how many moles of hydrogen, h, were in the original sample?

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Chemistry, 25.10.2019 09:43, ginocousins06

The equation for the complete combustion of propene, c3h6, is shown below. 2c3h6 (g) + 9o2 (g) → 6co2 (g) + 6h2o (l) which mixture, when ignited, will lead to incomplete combustion and the formation of co (g)? a. 2.0 dm3 of propene and 10.0 dm3 of oxygen b. 0.5 dm3 of propene and 2.3 dm3 of oxygen c. 1.0 dm3 of propene and 4.0 dm3 of oxygen d. 3.0 dm3 of propene and 14.0 dm3 of oxygen i think the answer is c but i am not sure as to why. any is greatly appreciated.

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