Question
In: Chemistry
H2O(l)+40.7kJ->H2O(g) Assume at exactly 100.0°C and 1.00 atm total pressure, 1.00 mole of liquid water and...
H2O(l)+40.7kJ->H2O(g) Assume at exactly 100.0°C and 1.00 atm total pressure, 1.00 mole of liquid water and 1.00 mole of water vapor occupy 18.80 mL and 30.62 L, respectively.
Part 1: Calculate the work done on or by the system when 3.25 mol of liquid H2O vaporizes. ____J
Part 2: Calculate the water's change in internal energy. ____kJ
Solutions
queen_honey_blossom answered 2 years agoRelated Solutions
A 1.100−L flask at 25∘C and 1.00 atm pressure contains CO2(g) in contact with 100.0 mL...
A 1.100−L flask at 25∘C and 1.00 atm pressure contains
CO2(g) in contact with 100.0 mL of a saturated aqueous solution in
which [CO2(aq)] = 3.29×10−2 M.
a) What is the value of Kc at 25∘C for the
equilibrium CO2(g)⇌CO2(aq)
Answer: Kc = 0.804
b) If 0.01400 M of radioactive 14CO2 is
added to the flask, how many moles of the 14CO2 will be
found in the gas phase and in the aqueous solution when equilibrium
is reestablished?
[Hint: The radioactive 14CO2 distributes itself
between the two phases in exactly the same...
The vaporization of 1 mole of liquid water (the system) at 100.9°C, 1.00 atm, is endothermic....
The vaporization of 1 mole of liquid water (the system) at
100.9°C, 1.00 atm, is endothermic.
H2O(l)+40.7kJ H2O(g)
Assume at exactly 100.0°C and 1.00 atm total pressure, 1.00 mole
of liquid water and 1.00 mole of water vapor occupy 18.80 mL and
30.62 L, respectively.
A)Calculate the work done on or by the system when 2.45 mol of
liquid H2O vaporizes.
__________J
Calculate the water's change in internal energy.
____________kj
The vaporization of 1 mole of liquid water (the system) at 100.9°C, 1.00 atm, is endothermic....
The vaporization of 1 mole of liquid water (the system) at
100.9°C, 1.00 atm, is endothermic.
Assume at exactly 100.0°C and 1.00 atm total pressure, 1.00 mole
of liquid water and 1.00 mole of water vapor occupy 18.80 mL and
30.62 L, respectively.
H20 (l) +40.7kJ ----> H20 (g)
Please answer both parts of the question:
1. Calculate the work done on or by the system when 3.45 mol of
liquid H2O vaporizes.
2. Calculate the water's change in internal...
1.The total pressure of a mixture of O2(g) and H2(g) is 1.95 atm. The mixture is...
1.The total pressure of a mixture of O2(g) and H2(g) is 1.95
atm. The mixture is ignited and the resulting water is removed. The
remaining mixture is pure H2(g) and exerts a pressure of 0.210atm
when measured at the same temperature and volume as the original
mixture. What were the mole fractions of O2(g) and H2(g) in the
original mixture?
At 1.00 atm pressure and 273 K one mole of gas should occupy 22.4 L. What...
At 1.00 atm pressure and 273 K one mole of gas should occupy
22.4 L. What volume would one mole of gas occupy at 21
oC and 1.00 atm?
In the Molar Mass of Magnesium experiment:
a) At the end of the reaction, the temperature was 21.5
oC (294.65 K), 99.2 mL of gas were formed, and the
pressure was 1.00 atm in the gas syringe. The Gas Constant has a
value of 0.08206 L atm/ (mol K) (Pay attention...
An industrial chemist introduces 2.5 atm H2 and 2.5 atm CO2 into a 1.00-L container at...
An industrial chemist introduces 2.5 atm H2 and 2.5 atm CO2 into
a 1.00-L container at 25.0°C and then raises the temperature to
700.0°C, at which Keq = 0.534: H2(g) + CO2(g) ⇔ H2O(g) + CO(g) How
many grams of H2 are present after equilibrium is established?
An industrial chemist introduces 6.8 atm H2 and 6.8 atm CO2 into a 1.00-L container at...
An industrial chemist introduces 6.8 atm H2 and 6.8 atm CO2 into
a 1.00-L container at 25.0°C and then raises the temperature to
700.0°C, at which Keq = 0.534: H2(g) + CO2(g) ⇔ H2O(g) + CO(g) How
many grams of H2 are present after equilibrium is established?
A 5.00-L flask contains nitrogen gas at 25°C and 1.00 atm pressure. What is the final...
A 5.00-L flask contains nitrogen gas at 25°C and 1.00 atm
pressure. What is the final pressure in the flask if an additional
2.00 g of N2 gas is added to the flask and the flask cooled to
-55°C?
a.) 0.987 atm
b.) 1.35 atm
c.) 1.84 atm
d.) 0.255 atm
When water boils at 100oC and 1.00 atm of pressure, is the change in entropy of...
When water boils at 100oC and 1.00 atm of pressure,
is the change in entropy of the surroundings/environment negative,
zero, or positive?
Consider the expansion of 1.00 mole of (ideal) Ne from 2.00 atm at 75.00 C; the...
Consider the expansion of 1.00 mole of (ideal) Ne from 2.00 atm
at 75.00 C; the volume is doubled in the process. Find q, w, DH and
the final pressure and temperature for a:
(a) reversible adiabatic expansion
(b) reversible isothermal expansion
(c) reversible constant pressure expansion
(d) irreversible adiabat against 0.500 atm external pressure
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