subject
Chemistry, 17.08.2020 14:01 bay62

Analysis of a gaseous hydrocarbon compound gives the following percent composition by mass: 85.7% C and 14.3% H.
(a) Define empirical formula and molecular formula.
(b) Determine the empirical formula of the hydrocarbon.
(c)0.25 g of this compound occupies a volume of 100 mL at STP. Determine the molar
mass and the molecular formula of the hydrocarbon.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 11:00
What can be found in the ionosphere
Answers: 1
question
Chemistry, 22.06.2019 13:00
One of the hopes for solving the world's energy problem is to make use of the fusion reaction 21h +31h --> 42he + 10n + energy how much energy is released when 1 mol of deuterium is fused with 1 mol of tritium according to the above reaction? the masses of the atoms and the neutrons are as follows: 21h = 2.0140 amu 31h = 3.01605 amu 42he = 4.002603 amu 10n = 1.008665 amu. the speed of light is 2.9979 x 108 m/s.
Answers: 1
question
Chemistry, 22.06.2019 16:50
Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m
Answers: 3
question
Chemistry, 22.06.2019 17:10
Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors
Answers: 1
You know the right answer?
Analysis of a gaseous hydrocarbon compound gives the following percent composition by mass: 85.7% C...
Questions
question
Social Studies, 31.05.2020 01:57
Questions on the website: 13722367