A hydrocarbon has an empirical formula C7H8. At 120 oC and 1 atm, helium effuses 4.8...
A hydrocarbon has an empirical formula C7H8. At 120 oC and 1 atm, helium effuses 4.8 times faster than the hydrocarbon. What is the molecular formula of the hydrocarbon?
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C7H8 |
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C14H18 |
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C21H24 |
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C3H4 |
Homework Answers
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A hydrocarbon has an empirical formula
C7H8. At 120 oC and 1 atm, helium
effuses 4.8...
Suppose that Ar(s) at 1 atm, 25 °C effuses from a pinhole at a certain rate....
Suppose that Ar(s) at 1 atm, 25 °C effuses from a pinhole at a certain rate. How many times faster or slower does He(s) at the same temperature and pressure effuse from the same pinhole? The He(s) effuses 3.2 times faster than the Ars). The Nee) effuses 3.2 times slower than the Are). The He(s) effuses 10 times faster than the Arle). The He(s) effuses 10 times slower than the Ar(s). The He(s) effuses 9 times faster than the Ar(s).
A hydrocarbon gas with the empirical formula CH2 has a density of 1.3 g/L. at 0...
A hydrocarbon gas with the empirical formula CH2 has a density of 1.3 g/L. at 0 °C and 1.00 atm. A possible formula for the hydrocarbon is: CsH30 CH2 0 C₂H4 O Cato O Cato
Mesitylene, a hydrocarbon found in crude oil, has an empirical formula of C:H, and experimentally determined...
Mesitylene, a hydrocarbon found in crude oil, has an empirical formula of C:H, and experimentally determined molecular weight of 121 u. what is its molecular formula? a- CH4 b-CH C- CH2 d-C12H 37) How many chlorine atoms are in 12.2 g of CCI a-4.77 x 102 b-7.34 x 1024 c-1.91 x 1023 d-2.07 x 1023 38) What is the molar mass of glucose CH 206 a- 180.0 g/mol b- 24.0 g/mol c- 72.0 g/mol d-96.0 g/mol 39) The mass in...
A gaseous compound has the empirical formula CH2. Its density is 0.426 g/L at 0.465 atm...
A gaseous compound has the empirical formula CH2. Its density is 0.426 g/L at 0.465 atm and 373 K. What is the molecular formula of the gas? (R = 0.08206 L·atm/mol·K) A) C2H4 B) C3H6 C) C4H8 D) C5H10 E) C6H12
Aos? sample of supply, what the empirical formula Ho is of hydrocarbon? this C H and...
Aos? sample of supply, what the empirical formula Ho is of hydrocarbon? this C H and o) is burnes What is the name formula the same as the empirical formula of Write down the equation of the combustion reaction for this hydrocarbon and balance it. SHOW YOUR WORKI (keep mal in points 11) If 40 g of water are heated from 22.cto 46 c, how much heat in joules is gained by the water given that cs for water is...
A hydrocarbon gas has a density of 1.18 g/L at 20.°C and 1.00 atm. An analysis...
A hydrocarbon gas has a density of 1.18 g/L at 20.°C and 1.00 atm. An analysis gives 85.7% C and 14.3% H. What is the molecular formula?
What is the molecular formula of a hydrocarbon that has 1 triple bond, 2 double bonds,...
What is the molecular formula of a hydrocarbon that has 1 triple bond, 2 double bonds, 2 ring, and 27 carbons?
1. The empirical formula of an unknown substance is HSO4. If the molecular weight of the...
1. The empirical formula of an unknown substance is HSO4. If the molecular weight of the substance 194 glmol, what is its molecular formula? 2. How many grams of ammonia are produced when 32g of nitrogen react with excess hydrogen? N2 3H23 2NH, 3. The empirical formula of an unknown substance is determined to be CH2. What is its molecular formula if the molecular weight is 84 gmole? 4. Nicotine has an empirical formula of CsHTN and a molecular weight...
1.Our hydrocarbon has the molecule or formula C6H12 which of the following statements interpret this information...
1.Our hydrocarbon has the molecule or formula C6H12 which of the following statements interpret this information correctly A. 6 g of C combines with 12 grams of H to form this compound B. One mol of this compound contains 6 mol of C and 12 mol of H C. The ratio of C:H in this compound is 1:2 2.Quinine, which was 1st isolated in 1820 from the bark of a Cinchona tree, has been used for hundreds of years to...
19. A molecule with a total mass of 210 amu has the empirical formula CH20. What...
19. A molecule with a total mass of 210 amu has the empirical formula CH20. What is the molecular formula? 12.08 . 2 1 .6.6) + 210 a. CH20 b. C,H,O7 C CHHE d. C7H1407 = 6.94 = 7 30.077
Suppose that Ar(s) at 1 atm, 25 °C effuses from a pinhole at a certain rate. How many times faster or slower does He(s) at the same temperature and pressure effuse from the same pinhole? The He(s) effuses 3.2 times faster than the Ars). The Nee) effuses 3.2 times slower than the Are). The He(s) effuses 10 times faster than the Arle). The He(s) effuses 10 times slower than the Ar(s). The He(s) effuses 9 times faster than the Ar(s).
A hydrocarbon gas with the empirical formula CH2 has a density of 1.3 g/L. at 0 °C and 1.00 atm. A possible formula for the hydrocarbon is: CsH30 CH2 0 C₂H4 O Cato O Cato
Mesitylene, a hydrocarbon found in crude oil, has an empirical formula of C:H, and experimentally determined molecular weight of 121 u. what is its molecular formula? a- CH4 b-CH C- CH2 d-C12H 37) How many chlorine atoms are in 12.2 g of CCI a-4.77 x 102 b-7.34 x 1024 c-1.91 x 1023 d-2.07 x 1023 38) What is the molar mass of glucose CH 206 a- 180.0 g/mol b- 24.0 g/mol c- 72.0 g/mol d-96.0 g/mol 39) The mass in...
Aos? sample of supply, what the empirical formula Ho is of hydrocarbon? this C H and o) is burnes What is the name formula the same as the empirical formula of Write down the equation of the combustion reaction for this hydrocarbon and balance it. SHOW YOUR WORKI (keep mal in points 11) If 40 g of water are heated from 22.cto 46 c, how much heat in joules is gained by the water given that cs for water is...
1. The empirical formula of an unknown substance is HSO4. If the molecular weight of the substance 194 glmol, what is its molecular formula? 2. How many grams of ammonia are produced when 32g of nitrogen react with excess hydrogen? N2 3H23 2NH, 3. The empirical formula of an unknown substance is determined to be CH2. What is its molecular formula if the molecular weight is 84 gmole? 4. Nicotine has an empirical formula of CsHTN and a molecular weight...
19. A molecule with a total mass of 210 amu has the empirical formula CH20. What is the molecular formula? 12.08 . 2 1 .6.6) + 210 a. CH20 b. C,H,O7 C CHHE d. C7H1407 = 6.94 = 7 30.077
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