the
concentration of carbon monoxide in an urban apartment is 48
micrograms/m^3. What mass of carbon...
the
concentration of carbon monoxide in an urban apartment is 48
micrograms/m^3. What mass of carbon monoxide in grams is present in
a room measuring 10.5 x 13.5 x 22.5
If the concentration (solubility) of carbon monoxide in water is
0.27 M and the Henry's Law constant for carbon monoxide is 9.5 x
10-4 M/atm, what is the partial
pressure of the gas above the solution?
A solution is prepared by adding 3.65 x 10-3 g of
sodium carbonate to 575 g of water. Find ppb and molality
Many studies have been conducted to determine the concentration
of CO (carbon monoxide) near freeways with various conditions of
traffic flow. The basic technique involves measuring CO
concentrattions with a spectrophotometer. These machines are quite
delicate and have to be calibrated every day. If the machine reads
close to 70 ppm on the span gas, it’s ready for use; if not, it has
to be adjusted.
Each data set below represents some readings on span gas. Assume
the Gaussian model,...
What is the molar concentration of a lead nitrate
solution that is 18.0% (m/m) by mass lead nitrate. Molar
Mass[Pb(NO3)2] = 331.22 g/mol;
Density[Pb(NO3)2] = 1.18 g/mL.
A mixture consists of hydrogen ,oxygen and carbon monoxide mass
fraction of 0,10 ,0,48 and 0,42 respectively, calculate mole
fraction of each component
b) a steam turbine operates with an inlet condition of 30bar,
4000C, 160m/s and an outlet state of a saturated vapour
at 0,7 bar with a velocity of 100m/s. the mass flow rate is
1000kg/min and the power output is 9300kw. workout the magnitude
and direction of any heat transfer in kj/min
A mass of 7.75 g carbon monoxide is reacted with 8.04 g hydrogen
to form methanol. CO(g) + 2 H2(g) → CH3OH(g) The reaction is
performed in a 5.00 L flask at 85.0 °C and proceeds to completion.
What is the partial pressure (in mmHg) of each of the three species
following completion of the reaction? What is the total pressure in
the flask? CO =? mmHg H2 =? mmHg CH3OH =? mmHg Total =? mmHg
The molar heat capacity for carbon monoxide at constant volume
is CV,m = 20.17 J/(K·mol).
A 16.00-L fixed-volume flask contains CO(g) at a pressure of
2.00 kPa and a temperature of 25.0 °C.
Assuming that carbon monoxide acts as an ideal gas and that its
heat capacity is constant over the given temperature range,
calculate the change in entropy for the gas when it is heated to
800.0 °C.
delta S= _____J/K
Carbon monoxide (CO) emissions for a certain kind of car vary
with mean 3 g/mi and standard deviation 0.5 g/mi. A company has 81
of these cars in its fleet.
a) What’s the approximate model for the distribution of the mean
CO level for the company's fleet. Explain.
b) Estimate the probability that the mean emission is between
3.0 and 3.1 g/mi.
c) There is only a 5% chance that the fleet’s mean CO level is
greater than what value?
The conductivity of carbon is about 3*(10^4) S/m.
a. What size and shape sample of carbon has this conductance?
(Conductance is equal to 1/R).
b. What is the conductance if every dimension of the sample
found in (a) is cut in half?