1oodle sou 6.103 Calculate Ethanol (C,H5OH) and gasoline (assumed to be all octane, C3H18) are both used as automobile fuel. If gasoline is selling for $4.50/gal, what would the price of ethanol have to be in order to provide the same amount of heat per dollar? The density and AH of octane are 0.7025 g/mL and -249.9 kJ/mol and of ethanol are 0.7894 g/mL and –277.0 kJ/mol, respectively. 1 gal = 3.785 L. The combustion of what volume of ethane (CH6), measured at 23.0°C and 752 mmHg, would be re- quired to heat 855 g of water from 25.0°C to 98.0°C? mentation 6.104 Portable 6.93 ple engag mate. Th mixture other co The exo %3D very con 6.94 When t molecu 6.95 If energy is conserved, how can there be an energy to begi warm 0 crisis? The heat of vaporization of a liquid (AHvap) is the en- ergy required to vaporize 1.00 g of the liquid at its boil- much 6.96 (Hint: 6.105 A pers ing point. In one experiment, 60.0 g of liquid nitrogen (boiling point –196°C) are poured into a Styrofoam of 40 a ol cup containing 2.00 × 10ʻ g of water at 55.3°C. Calculate the molar heat of vaporization of liquid ni- stored woul if the final temperature of the water is 41.0°C. origi trogen Explain the cooling effect experienced when etha- 1 mo 6.97 6.106 The nol is rubbed on your skin, given that to be C,H;OH(1) → C,H;OH(g) AH° = 42.2 kJ/mol prod
1oodle sou 6.103 Calculate Ethanol (C,H5OH) and gasoline (assumed to be all octane, C3H18) are both used as automobile fuel. If gasoline is selling for $4.50/gal, what would the price of ethanol have to be in order to provide the same amount of heat per dollar? The density and AH of octane are 0.7025 g/mL and -249.9 kJ/mol and of ethanol are 0.7894 g/mL and –277.0 kJ/mol, respectively. 1 gal = 3.785 L. The combustion of what volume of ethane (CH6), measured at 23.0°C and 752 mmHg, would be re- quired to heat 855 g of water from 25.0°C to 98.0°C? mentation 6.104 Portable 6.93 ple engag mate. Th mixture other co The exo %3D very con 6.94 When t molecu 6.95 If energy is conserved, how can there be an energy to begi warm 0 crisis? The heat of vaporization of a liquid (AHvap) is the en- ergy required to vaporize 1.00 g of the liquid at its boil- much 6.96 (Hint: 6.105 A pers ing point. In one experiment, 60.0 g of liquid nitrogen (boiling point –196°C) are poured into a Styrofoam of 40 a ol cup containing 2.00 × 10ʻ g of water at 55.3°C. Calculate the molar heat of vaporization of liquid ni- stored woul if the final temperature of the water is 41.0°C. origi trogen Explain the cooling effect experienced when etha- 1 mo 6.97 6.106 The nol is rubbed on your skin, given that to be C,H;OH(1) → C,H;OH(g) AH° = 42.2 kJ/mol prod
Chemistry: An Atoms First Approach
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Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
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![1oodle sou
6.103 Calculate
Ethanol (C,H5OH) and gasoline (assumed to be all
octane, C3H18) are both used as automobile fuel. If
gasoline is selling for $4.50/gal, what would the
price of ethanol have to be in order to provide the
same amount of heat per dollar? The density and
AH of octane are 0.7025 g/mL and -249.9 kJ/mol
and of ethanol are 0.7894 g/mL and –277.0 kJ/mol,
respectively. 1 gal = 3.785 L.
The combustion of what volume of ethane (CH6),
measured at 23.0°C and 752 mmHg, would be re-
quired to heat 855 g of water from 25.0°C to 98.0°C?
mentation
6.104 Portable
6.93
ple engag
mate. Th
mixture
other co
The exo
%3D
very con
6.94
When t
molecu
6.95 If energy is conserved, how can there be an energy
to begi
warm
0 crisis?
The heat of vaporization of a liquid (AHvap) is the en-
ergy required to vaporize 1.00 g of the liquid at its boil-
much
6.96
(Hint:
6.105 A pers
ing point. In one experiment, 60.0 g of liquid nitrogen
(boiling point –196°C) are poured into a Styrofoam
of 40
a ol cup containing 2.00 × 10ʻ g of water at 55.3°C.
Calculate the molar heat of vaporization of liquid ni-
stored
woul
if the final temperature of the water is 41.0°C.
origi
trogen
Explain the cooling effect experienced when etha-
1 mo
6.97
6.106 The
nol is rubbed on your skin, given that
to be
C,H;OH(1) → C,H;OH(g) AH° = 42.2 kJ/mol
prod](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc5a12088-8ea8-4d13-bd2f-6b6c3e20b80b%2F5e2e7465-5540-4885-814b-2ece72a96cb2%2Fe1n3juy.jpeg&w=3840&q=75)
Transcribed Image Text:1oodle sou
6.103 Calculate
Ethanol (C,H5OH) and gasoline (assumed to be all
octane, C3H18) are both used as automobile fuel. If
gasoline is selling for $4.50/gal, what would the
price of ethanol have to be in order to provide the
same amount of heat per dollar? The density and
AH of octane are 0.7025 g/mL and -249.9 kJ/mol
and of ethanol are 0.7894 g/mL and –277.0 kJ/mol,
respectively. 1 gal = 3.785 L.
The combustion of what volume of ethane (CH6),
measured at 23.0°C and 752 mmHg, would be re-
quired to heat 855 g of water from 25.0°C to 98.0°C?
mentation
6.104 Portable
6.93
ple engag
mate. Th
mixture
other co
The exo
%3D
very con
6.94
When t
molecu
6.95 If energy is conserved, how can there be an energy
to begi
warm
0 crisis?
The heat of vaporization of a liquid (AHvap) is the en-
ergy required to vaporize 1.00 g of the liquid at its boil-
much
6.96
(Hint:
6.105 A pers
ing point. In one experiment, 60.0 g of liquid nitrogen
(boiling point –196°C) are poured into a Styrofoam
of 40
a ol cup containing 2.00 × 10ʻ g of water at 55.3°C.
Calculate the molar heat of vaporization of liquid ni-
stored
woul
if the final temperature of the water is 41.0°C.
origi
trogen
Explain the cooling effect experienced when etha-
1 mo
6.97
6.106 The
nol is rubbed on your skin, given that
to be
C,H;OH(1) → C,H;OH(g) AH° = 42.2 kJ/mol
prod
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