heat engine is supplied with 319.0 cal and rejects 193.5 cal in the exhaust. How many joules of mechanical work was done?

Q: 1.00 mol of an ideal gas is compressed isobarically from a volume of 40.0 L to a volume of 30.0 L at…

A: For an ideal gas Work done = PdV Given is a isobaric process hense P is constant wrt. volume. So W=…

Q: 962 J of work were done on three moles of a diatomic gas that absorbs 2438 J in the process. If the…

A: Work done on a diatomic gas, W=962 JHeat absorb in the process Q=2438 JInitial temperature of the…

Q: 0.04 m3 of gas at a pressure of 1482 KN/m2 is expanded isothermally unit volume is 0.09 m3,…

A: Given : Initial volume (Vi) = 0.04 m3 Pressure (P) = 1482 kN/m2 = 1482 x 103 N/m2 Final volume (Vf)…

Q: How much heat is needed to increase the internal energy of a gas in a piston by 4258 J if the gas…

A: Write the expression for the required heat.

Q: 10. What is the efficiency of an automobile engine that has a heat input of 67.2 kJ and a heat…

A: Heat output (Q2) = 36.1 kJHeat input (Q1) = 67.2 kJ Efficiency of heat engine     =    = 0.463To…

Q: In a constant-volume process, 206 J of energy is transferred by heat to 1.02 mol of an ideal…

A:

Q: How much heat energy does it take to boil 2.35 kg of water at 100oC completely to steam at 100oC ?…

A: As temperature of water is100° C, only latent heat of vaporization is required to convert the water…

Q: (a) How much heat transfer occurs to the environment by an electrical power station that uses…

A: Given data: Heat input, QH=1.25×1014  Efficiency, η=0.44 a)  Heat transfers to environment is find…

Q: A certain heat engine does 11.0 k) of work and 8.50 k) heat transfer occurs to the environment in a…

A: Part A. Work done by an engine is given as follows: W=Q1-Q2 here W is the work done Q1 and Q2 are…

Q: Air under pressure of 100 kPa at 280 K enters the compressor and is stably compressed to 600 kPa and…

A:

Q: A system gains 2730 J of heat at a constant pressure of 1.49 x 105 Pa, and its internal energy…

A:

Q: An experimenter adds 990 JJ of heat to 1.75 molmol of an ideal gas to heat it from 10.0∘C∘C to 25.2…

A: Given that, the value of heat and mole of an ideal gas and difference in temperature and also given…

Q: A gas is compressed inside a clinder. An average force of 45 Newtons acts to move the pistion 7.4 m.…

A:

Q: if 1 mol of gas are expanded isothermally and reversibly from 150 KPa to 100 KPa at 25 C°. calculate…

A:

Q: Work of 3000 J is done on an ideal gas, but the internal energy raises only 1600 J. What is the…

A:

Q: One gram of water (1 cm³) becomes 1671 cm3 of steam when boiled at a constant pressure of 1 atm…

A:

Q: quantity of 0.85 mol of an ideal gas at 15.0 atm and 300 K. How much work is done in an adiabatic…

A: Given data: - n = 0.85 mol P1 = 15.0atm P2 = 1 atm T1 = 300k

Q: A given gasoline yields 1.25 x 104 cal/g when burned. How many joules of work are obtained from 975…

A: Given data:  Energy rate from burning = 1.25×104 cal/g Mass = 975 g Required: The work obtained in…

Q: A heat engine operates between a reservoir at 27°C and one at 323°C. What is the maximum efficiency…

A: T2=27=273+27=300k T1=323=323+273=596k We know,  Efficiency=1-T2/T1

Q: A gas is taken through the cyclical process shown in the figure below. If each unit on the…

A:

Q: If an engine operates between 269°C and 26°C, what is its maximum thermodynamic efficiency (as a…

A:

Q: Two moles of helium gas at a temperature of 400 K occupy a volume of 10-3 m3. How much heat in…

A:

Q: 1.50 moles of an ideal monatomic gas are initally at a tempeture of 317 K. If the gas gains 2550 J…

A: solution as

Q: Six moles of an ideal gas is compressed to one-third its initial volume. If the gas is maintained at…

A: Given data: Number of moles, n= 6 moles Pressure P1=P2 =2.00 atm=2×105Pa Initial temperature…

Q: The initial pressure and volume are 80 kPa and 0.35 m3, respectively. The final pressure and volume…

A: Given  initial pressure (P1)=80 kPa initial volume (V1)=0.35 m3 final pressure (P2)=170 kPa final…

Q: What is the enthalpy of helium in an isothermal process where the non flow work is equivalent to 200…

A: Given that Work w = 200 kJ

Q: A heat engine operates between a reservoir at 28°C and one at 323°C. What is the maximum efficiency…

A: