Question

A gas mixture with an apparent molecular weight of 30 lb/lb mole is at 160°F and 800 psia, find its density, specific gravity, and mass (in lb mole and lb mass) if the volume is 106 ft3. Also, find its volume at the standard conditions

Answer #1

A gas mixture with an apparent molecular weight of 30 lb/lb mole
is ar 160 deg F and 800 psia, find the density, specific gravity,
and mass in (lb mole and lb mass) if volume is 10^6 ft^3. And find
volume at standard conditions.

A formation contains 480,000.00 cubic feet of natural gas with
apparent molecular weight of 24 lb/ lb mole at a temperature of 80
degree Celsius at 150 bar.
Find :
1) mass in lb mass and lb mole
,2) gas density, specific volume, and specific gravity
3) volume at standard conditions
4) repeat 1 and 2 assumming it is ideal gas.

The analysis on a mass basis of an ideal gas mixture at 30°F, 15
lbf/in.2 is 40% CO2, 10% CO, and 50%
O2.
Determine:
(a) the analysis in terms of mole fractions.
(b) the apparent molecular weight of the mixture.
(c) the partial pressure of each component, in
lbf/in.2
(d) the volume occupied by 10 lb of the mixture, in
ft3.

use steam tables---
A 2.5-ft3 tank of water at 160 psia and 363.5 o F has how many
cubic feet of liquid water in it? Assume that you start with 1lb of
H 2 0. Could it contain 5 lb of H 2 O under these conditions?
b. What is the volume change when 2 lb of H 2 0 at 1000 psia and
20 o F expands to 245 psia and 460 o F?
c. Ten pounds of wet...

An inert gas has a weight density of 0.066 lb/ft^3 and its
pressure is to be measured with a manometer. Liquids available for
the manometer are water (62.4 lb/ft^3), oil (specific gravity 0.82)
and mercury (specific gravity 13.57) . If the pressure range is
from 0-10 psi, which liquid would you use, Explain Why?

A gas mixture of nonane and sulfur trioxide with a total mass of
2.3 kg is placed inside a batch vessel at 31.8 atm and 133°C such
that the mixture has a volume of 552.1 L(STP). Determine the moles
of the mixture in the vessel, the average molecular weight, and the
composition as mole percentage. Then choose the best answer
below.
a) the average MW of mixture is 93.4 lbm /lb-mol
b) the total moles of mixture is 29.56
c)...

A mixture of perfect gases consists of 3 kg of carbon monoxide
and 1.5 kg of nitrogen at a pressure of 0.1 MPa and a temperature
of 298.15 K. Using Table 5-1, find (a) the effective molecular mass
of the mixture, (b) its gas constant, (c) specific heat ratio, (d)
partial pressures, and (e) density.
Table 5-1 comes from Rocket Propultion Elements volume 8.

1.
You purchase 9.3 gallons of gasoline. Assume that the properties of
gasoline are Molecular weight (Mw) = 113, Specific Gravity (SG) =
0.70. Remember that the density of water is 62.4 lbm/ft^3. What is
the weight in lbf of the gasoline? and how many g ? moles are there
in this quantity of gasoline?
2. Recall that the ideal gas law is P V = nRT where P is
pressure, V is volume, n is number of moles, R...

Data for carbon dioxide:
Molecular weight:44.0
Heat capacity of gas phase: 0.036+4.23
x10-5T (in kJ/moleoC, T is
in oC)
Viscosity Pr k
(W/m K)
180oC2.13 x10-5kg/(m
s) 0.721 0.029
130oC 1.93x10-5kg/(m
s) 0.738 0.025
80oC 1.72x10-5kg/(m
s) 0.755 0.020
Approximate density: 2.0 kg/m3
Data for water:
Molecular weight:18.0
Heat capacity for liquid water: 0.0754 kJ/mole
oC
Viscosity:
Viscosity Pr k
(W/m K)
180oC139 x10-6kg/(m
s) 0.94 0.665
130oC 278x10-6kg/(m
s) 1.72 0.682
80oC 472x10-6kg/(m
s) 3.00 0.658
Ideal gas constant:
0.08206 L atm/(mol K)
Carbon dioxide, with flow rate of 0.10 kg/s, is to be cooled
from 180 oC to 80...

A grey body is one whose absorptivity
1. does not vary with temperature and wavelength of the incident
ray
2. is equal to its emissivity
3. varies with temperature
4. varies with wavelength of the incident ray
A liquid is in equilibrium with its vapor at its boiling point.
On an average, the molecules in the liquid and gaseous phases have
equal
1. potential energy.
2. kinetic energy.
3.temperature. 4. intermolecular forces of attraction.
A liquid of density 1000 kg/m3...

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