Question
In: Chemistry
The octane rating of gasoline is a relationship of the burning efficiency of the given gasoline...
The octane rating of gasoline is a relationship of the burning efficiency of the given gasoline mixture to the burning efficiency of octane (C8H18). (Figure 1) Like most hydrocarbons, octane reacts with oxygen gas to produce carbon dioxide and water. The unbalanced equation for this reaction is C8H18(g)+O2(g)→CO2(g)+H2O(g)
PROBLEM BELOW:
Balanced chemical equation
2C8H18(g)+25O2(g)→16CO2(g)+18H2O(g)
0.310 mol of octane is allowed to react with 0.870 mol of oxygen
Part C
How many moles of water are produced in this reaction?
Express your answer with the appropriate units.
Part D
After the reaction, how much octane is left?
Express your answer with the appropriate units.
Solutions
queen_honey_blossom answered 2 years agoRelated Solutions
The octane rating of gasoline is a relationship of the burning efficiency of the given gasoline...
The octane rating of gasoline is a relationship of the burning
efficiency of the given gasoline mixture to the burning efficiency
of octane (C8H18). (Figure 1) Like most hydrocarbons, octane reacts
with oxygen gas to produce carbon dioxide and water. The unbalanced
equation for this reaction is
C8H18(g)+O2(g)→CO2(g)+H2O(g)
1-Determine the balanced chemical equation for this
reaction.
C8H18(g)+O2(g)→CO2(g)+H2O(g)
0.270 mol of octane is allowed to react with 0.660 mol of
oxygen. Which is the limiting reactant?
2- 0.270 of octane is allowed...
Five measurements are taken of the octane rating for a particular type of gasoline. The results...
Five measurements are taken of the octane rating for a
particular type of gasoline. The results (in percent) are
87.0, 86.0, 86.5, 88.0, 85.3.
a) Find a 96% prediction interval for a single measurement.
(b) Find a tolerance interval for the pH that includes 99% of
the measurements with 95% confidence.
Three measurements are taken of the octane rating for a particular type of gasoline. The results...
Three measurements are taken of the octane rating for a
particular type of gasoline. The results ( in % ) are 87, 89, 91.
Assume that the octane rating measurements can be modeled by the
normal distribution.
We want a 99% confidence interval for the population mean...select
the appropiate interval
A. (86.03, 91.97)
B. (86.74, 91.26)
C. (77.54, 100.46)
D. (84.03, 93.97)
Q2- octane is a gasoline. Complete combustion of octane yields component of CO2 combustion produces co...
Q2-
octane is a gasoline. Complete combustion of octane yields
component of CO2 combustion produces co and Hzo. In a certain run,
and H Incomplete 2.345 gal of octane is burned in an engine. The
total mass of co, com, and H20 produced is 14.053 kg. Calculate the
efficiency of the process, that is, calculate the fraction of
octane converted to co2. The density of octane is 2.65 kg/gal
The combustion of octane C8H18 (a component in gasoline) in the presence of oxygen proceeds according...
The combustion of octane C8H18 (a
component in gasoline) in the presence of oxygen proceeds according
to the following balanced equation:
2 C8H18 (l) + 25 O2 (g)
----> 16CO2 (g) + 18H2O
(l)
0.0500 L of octane (density 0.702 g/mL) was allowed to burn in
the presence of 155 g
of oxygen gas. The actual yield of water produced in this
reaction was 38.4 grams.
a. Determine the theoretical yield for the water.
b. Determine the percent yield.
c....
A survey was conducted to investigate motor fuel octane ratings of several blends of gasoline, and...
A survey was conducted to investigate motor fuel octane ratings
of several blends of gasoline, and the following data is
presented:
88.5
98.8
89.6
92.2
92.7
88.4
87.5
90.9
94.7
88.3
90.4
83.4
87.9
92.6
87.8
89.9
84.3
90.4
91.6
91.0
93.0
93.7
88.3
91.8
90.1
91.2
90.7
88.2
94.4
96.5
89.2
89.7
89.0
90.6
88.6
88.5
90.4
84.3
92.3
92.2
89.8
92.2
88.3
93.3
91.2
93.2
88.9
91.6
87.7
94.2
87.4
86.7
88.6
89.8
90.3
91.1
85.3
91.1
94.2...
A survey was conducted to investigate motor fuel octane ratings of several blends of gasoline, and...
A survey was conducted to investigate motor fuel octane ratings
of several blends of gasoline, and the following data is
presented:
88.5
98.8
89.6
92.2
92.7
88.4
87.5
90.9
94.7
88.3
90.4
83.4
87.9
92.6
87.8
89.9
84.3
90.4
91.6
91.0
93.0
93.7
88.3
91.8
90.1
91.2
90.7
88.2
94.4
96.5
89.2
89.7
89.0
90.6
88.6
88.5
90.4
84.3
92.3
92.2
89.8
92.2
88.3
93.3
91.2
93.2
88.9
91.6
87.7
94.2
87.4
86.7
88.6
89.8
90.3
91.1
85.3
91.1
94.2...
ethanol(C2H5OH)and gasoline(assumed to be octane,C8H18) are both used as automobile fuel.if gasoline is selling for $4.50/gal,what...
ethanol(C2H5OH)and gasoline(assumed to be octane,C8H18) 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 ?Hf of octane are
0.7025g/ml and -249.9kJ/mol,respectively and of ethanol are
0.7894g/ml and -277.0 kJ/mol,respectively(1 gal =3.785L)
Ethanol (C2H5OH) and gasoline (assumed to be all octane, C8H18) are both used as automobile fuel....
Ethanol (C2H5OH) and gasoline (assumed to be all
octane, C8H18) are both used as automobile fuel. If gasoline is
selling for $2.25/gal, what would the price of ethanol have to be
in order to provide the same amount of heat per dollar? The density
and ΔH f
of octane are 0.7025 g/mL and −249.9 kJ/mol and the density and ΔH
f
of ethanol are 0.7894 g/mL and −277.0 kJ/mol, respectively. Assume
that the products of combustion are CO2(g) and H2O(l)....
Enter your answer in the provided box. Ethanol (C2H5OH) and gasoline (assumed to be all octane,...
Enter your answer in the provided box.
Ethanol
(C2H5OH)
and gasoline (assumed to be all octane,
C8H18) are
both used as automobile fuel. If gasoline is selling for $3.19/gal,
what would the price of ethanol have to be in order to provide the
same amount of heat per dollar? The density and
ΔH
o
f
of octane are 0.7025 g/mL and −249.9 kJ/mol and the
density and ΔH
o
f
of ethanol are 0.7894 g/mL and −277.0 kJ/mol,
respectively. Assume...
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