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Thermodynamics
Page 9
Questions (11,677)
If a 50.0g silver spoon at 20.0 degrees C. How much heat does the spoo absorb from the coffee to reach a temperature of
2 answers
asked by
Lady T.
546 views
What amount of energy is required to melt a 26.9 g piece of ice at 0oC?
The heat of fusion of ice = 333 Jg-1 Heat required to
2 answers
asked by
tanner
886 views
What is the total translational kinetic energy of the gas molecules of 0.470 mol of air at atmospheric pressure that occupies a
1 answer
asked by
opp
471 views
every stage is eventually returned to which final stage?
4 answers
asked by
Laruen
602 views
A sample of gas in a 21.5-L container at 45 degrees Celsius is cooled at constant pressure to a temperature of -37 degrees
3 answers
asked by
Layney
586 views
when steam is passed over white hot coke at 1000°C, the product obtained is?
2 answers
asked by
kiaan
60 views
25 kg of ice at 0° C is combined with 4 kg of steam at 100° C. What is the final equilibrium temperature in ° C of the
5 answers
asked by
Maya
6,104 views
How many kilojoules are released when 115 g of Si reacts with chlorine?
Si(s)+2Cl2(g)→SiCl4(g)ΔH=−657kJ
3 answers
asked by
Alex
708 views
When 1.0 mole of liquid Br2 is converted to Br2 vapour at 25.0oC and 1.0 atm pressure, 7.3 Kcal of heat is absorbed, and 0.59
3 answers
asked by
sam zahrani
349 views
Bromobenzene, C6H5Br, and chlorobenzene, C6H5Cl, form essentially ideal solutions in all proportions. At 100°C, the equilibrium
6 answers
asked by
lulu
1,609 views
A container of hot liquid is placed in a freezer that is kept at a constant temperature of 10°F. The initial temperature of the
4 answers
asked by
Sarah
2,635 views
DrBob222 PLEASE HELP
Hf of CO2 = -393.5 kJ/mol Hf of H2O = -285.8 kJ/mol The combustion reaction for benzoic acid C6H5CO2H(s) +
5 answers
asked by
Rachel M
2,388 views
Pls help
In which case would connect energy of particles be increasing? A metal is heated at 1300°C B metal is heated from room
14 answers
asked by
Anonymous
2,795 views
What is the molar enthalpy of combustion of magnesium? This was the lab question that I was asked to find after performing a lab
2 answers
asked by
Chase (sorry if this long)
1,298 views
A cylinder with a moveable piston contains 0.2 kg of water at 100 ºC.
The density of the water ρw =1000 kg/m3 and that of steam
2 answers
asked anonymously
146 views
An aluminum can is filled to the brim with a liquid. The can and the liquid are
heated so their temperatures change by the same
2 answers
asked anonymously
139 views
Explain thermal electric effect and the thermocouple
1 answer
asked by
Kalu prosper
117 views
Study the scenario.
The particles in a system are moving around very slowly. A few minutes later, the particles are moving, on
19 answers
asked anonymously
194 views
Temperature is defined as __________.
Responses a measure of the average potential energy of a particle in the system a measure
2 answers
asked anonymously
134 views
temperature of the layers
2 answers
asked by
bonia
90 views
If 30cm3
of a gas at 50oC is warmed to 80oC at a fixed pressure the fractional increase in volume is A. 0.093 B. 1.090 C. 0.009
2 answers
asked anonymously
71 views
Internal energy
2 answers
asked by
Fuad Faji Femal
69 views
Which type system allows energy to enter or leave the system, but does not allow matter to cross into or out of the system?
Respo
2 answers
asked anonymously
220 views
Study the image.
A system where energy and matter can enter and leave. © 2016 FlipSwitch Which choice most accurately identifies
2 answers
asked anonymously
128 views
Which type of system allows matter and energy to enter or exit the system?
Responses isolated isolated closed closed open open
2 answers
asked anonymously
99 views
Which of the following correctly describes the microscopic structure of a system when heat is added?
Responses Bonds between the
2 answers
asked anonymously
141 views
Camphor has a heat of combustion of5903.6 a sample of comfort having mass of 0.1204 gram is burn in a bond calorimetry the
2 answers
asked anonymously
134 views
The temperature changes over time when ice is heated from -5°c until it boils and evaporates
2 answers
asked by
Gosiame
97 views
Temperature in Kelvin
2 answers
asked by
Jonathan Kila
101 views
Is the following reaction endothermic or exothermic?
C3H8 + 5 O2 --> 3 CO2 + 4 H2O H= -2200 kJ endothermic exothermic
4 answers
asked by
Hey..😙
114 views
Calculate the internal energy for the reaction shown below which was performed at constant pressure of 40 Pa and a volume of 1.0
2 answers
asked by
ezile
67 views
Using Hess law, calculate ΔH for the equation: O3 (g) +2NO2 (g)→ N2O5 (g) + O2 (g)
Given the following equations: N2O5 (g)
2 answers
asked by
ezile
135 views
Using the table below that shows some values for standard enthalpy changes of combustion, calculate the standard enthalpy change
2 answers
asked by
ezile
97 views
Using the table below that shows some values for standard enthalpy changes of combustion, calculate the standard enthalpy change
2 answers
asked by
ezile
92 views
On his honeymoon James Joule travelled from England to Switzerland. He attempted to
verify his idea of the interconvertibility of
2 answers
asked by
Alex
76 views
A chemical reaction releases 2.34 kJ of heat and no work is done on the surroundings. What happens to the change in internal
4 answers
asked by
ezile
66 views
Using Hess law, calculate ΔH for the equation: N2O3 ---> NO + NO2
N2O3 ---> N2 + 3⁄2O2 ΔH = 83.7 kJ 1⁄2N2 + 1⁄2O2 ---> NO
2 answers
asked by
ezile
82 views
Two gases A and B are placed in container that has a piston. A and B react to form product C. As the reaction occurs, the system
2 answers
asked by
ezile
92 views
What is the energy required to raise the temperature of 1 g of a substance by loC or 1 K?
23 answers
asked by
ezile
86 views
Use the standard enthalpies of formation values shown in the table below to calculate the enthalpy of the reaction shown below:
2
2 answers
asked by
ezile
117 views
Gas in a steel container expands. However, the temperature is kept constant. What will happen to the pressure?
2 answers
asked by
ezile
62 views
A 1.000 gsample of octane (C8H18) is burned in a bomb calorimeter containing 1200 grams of water. After the reaction, the
2 answers
asked by
ezile
121 views
1.00 mol of NH2 is stored at 77 oC in a 7.00 L container. Use the van der Waals equation to determine the pressure exerted by
2 answers
asked by
ezile
90 views
A system with an increase in internal energy of 80 J and at the same time has 50 J of work done on it by the surrounding. What
2 answers
asked by
ezile
66 views
The vapour pressure of dichloromethane at 24.1°C is 53.3 kPa and it's enthalpy of vaporization is 28.7 kJ/mol.Estimate the
13 answers
asked by
Lakydo Wepson
142 views
Calculate the standard Gibbs energy of the given reaction at 25°C
CO(g) + half CO +CO2
4 answers
asked by
Lakydo Wepson
84 views
You have been asked to calculate the enthalpy change in the following
reaction: 2Al(s) + Fe2O3(s) → Al2O3(s) + 2Fe(s) The
2 answers
asked by
Brian Giles
128 views
Engines work by converting chemical energy into mechanical energy. What process do they use to do this?
A) propulsion B)
2 answers
asked by
ray
122 views
At absolute zero K. E Of gas molecules is
2 answers
asked anonymously
44 views
At what temperature K. E Of gas molecules is zero
2 answers
asked anonymously
49 views
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