(II) What volume of water at 0°C can a freezer make intoice cubes in 1.0 h, if the coefficient of performance of thecooling unit is 6.0 and the power input is 1.2 kilowatt?
Q: The coefficient of performance for a freezer is 7.8. Pekali prestasi untuk penyejuk beku ialah 7.8.…
A:
Q: 10) (II) A heat engine operates between reservoirs at tempera- tures 800 K and 300 K. In one cycle…
A: The hot reservoir has a temperature of 800 K and the cold reservoir has a temperature of 300 K,…
Q: (i) Explain how a change in system energy and heat are related in thermodynamics with respect to…
A: i) According to first law of thermodynamics, the change in internal energy (system energy) is the…
Q: (4) Find the heat input (from "cold reservoir") and the heat output (to "hot reservoir"): (5) Find…
A:
Q: (2) Try to draw the following processes of ideal gas passing through point 1 on the given parameter…
A: Constant Pressure : The Y-coordinate is pressure, keeping the pressure constant draw the line.…
Q: A Carnot machine whose cold reservoir is at a temperature of −900C is efficient 40%. It is necessary…
A: (a) Write the expression of Carnot efficiency. ηth=1-TLTH
Q: (a) A freezer maintains an interior temperature inside of -22.0°C and has a coefficient of…
A:
Q: There are various processes that can be occurred in thermodynamic systems such as the isothermal,…
A:
Q: A freezer with a coefficient of performance of 3.88 is used toconvert 1.75 kg of water to ice in one…
A: Total heat removed from water is as follows; Q=E1+E2+E3…
Q: (1) Define the term entropy in thermodynamics. (ii) In what way entropy is related to third law of…
A:
Q: In a supermarket at frozen food department, ice cream is placed on a closed shelve and required to…
A: Given that:Wcold=2 kWWhot=2.5 kWTcold=-8°C=265 KThot=27°C=300 K
Q: (I) An ideal gas expands isothermally, performing 4.30 x103 Jof work in the process. Calculate (a)…
A:
Q: (II) An aluminum rod conducts 8.40 cal/s from a heat source maintained at 225°C to a large body of…
A: We know, ∆S=QT
Q: (II) A heat engine uses a heat source at 580°C and has an ideal(Carnot) efficiency of 22%. To…
A:
Q: (III) A real heat engine working between heat reservoirs at970 K and 650 K produces 550 J of work…
A: The efficiency of the real engine can be obtained as ηreal=WQH=5502500=0.22
Q: (1) A thermodynamic cycle is a process, in which the system starts from initial state, goes through…
A: The law of thermodynamics states that the internal energy change of a system is equal to the system…
Q: (i) An isothermal expansion till it reches volume 2V, and heat Q flows into the gas (ii) An isobaric…
A:
Q: What is Carnot efficiency of a heat engine operating between the temperatures of157 and -12 Give…
A: Given The temperature of the source is T1 = 157oC = 157+273 K = 430 K. The temperature of the sink…
Q: (2. (1) One mole of an ideal monatomic gas is taken around the reversible cycle of Fig. 21.23. The…
A: We are given 1 mole of monoatomic gas. This gas is an ideal gas. We are given 2 isothermal…
Q: (II) One mole of an ideal monatomic gas is heated from 0 °C to 100 °C. Find the change in internal…
A: Given:number of moles n =1 Monoatomic gas dT =100K
Q: (II) A 5.8-kg box having an initial speed of 4.0 m/s slidesalong a rough table and comes to rest.…
A: The expression for find kinetic energy is KE=12mv2 Substitute values in the above equation…
Q: Only Handwritten solutions are allowed
A: Step 1: Step 2: Step 3: Step 4:
Q: A scuba diver releases a 3 cm diameter air bubble from a depth of 14.0 m. Assuming the temperature…
A: As per our answering guidelines, we will be answering the first question. Kindly post the second…
Q: Explain how a change in system energy and heat are related in thermodynamics with respect to…
A: Since the first law of thermodynamics states that energy is not created or destroyed. We know that…
Q: Question 3) A cylinder with a piston contains 0.25 mol of 02 (treat as ideal gas) at 2.40 x 105 Pa…
A: Given : n = 0.25 mol ( of O2) ; T1 = 355 K; Pressure (P1) = 2.40 x 105 Pa
Q: (II) A 2.8-kg piece of aluminum at 28.5°C is placed in 1.0 kgof water in a Styrofoam container at…
A: Given: Mass of aluminum is 2.8 kg. Temperature of aluminum is 28.5°C. Mass of water is 1.0 kg.…
Q: (II) In an engine, an almost ideal gas is compressed adiabatically to half its volume. In doing so,…
A: a) In adiabatic process, there is no exchange of heat into or out of the gas So, the heat flow would…
Q: Air enters a compressor steadily at the ambient conditionsof 100 kPa and 22C and leaves at 800 kPa.…
A: The change in entropy,
Q: (II) Use the conservation of energy to explain why thetemperature of a well-insulated gas increases…
A: Concept: A capacity to do work is called energy and it may exist in potential, kinetic, thermal,…
Q: (I) The exhaust temperature of a heat engine is 230°C. Whatis the high temperature if the Carnot…
A:
Q: 30. (II) Find the change in entropy for n moles of an ideal monatomic gas in the following…
A:
Q: A freezer with a coefficient of performance of 3.88 is used toconvert 1.75 kg of water to ice in one…
A: The formula to find the amount of heat removed is QC=mCwTw-T1+mLf+mCiceT1-Tice Here, m is the mass…
Q: An ideal gas ( = 1.4) Volume 2 m3 and if is compressed to 4x106 Pa adiabatic at Volume 0.5 m3.…
A: Given : Adiabatic constant, γ = 1.4P1 = 4×106 N/m2 V1 = 2 m3 V2 = 0.5 m3
Q: (3) Adiabatic and isothermal processes drawn in p-V diagrams are called adiabats and isotherms,…
A:
Q: . (II) A gas is enclosed in a cylinder fitted with a lightfrictionless piston and maintained at…
A: Given: The heat added to the gas Q=254 kcal. The initial volume is V1=12 m3. The final volume is…
Q: (I) A thin membrane divides an insulated container into two equal volumes. One side contains 2 mol…
A: (a) When the membrane is broken, the gas will expand into the entire volume of the container. This…
Q: (b) Two moles of an ideal gas expand at constant temperature T of 314 K from initial volume 9 L to a…
A: Initial volume Vi = 9 L Final volume Vf = 20 L Constant temperature T = 314 K Number of moles of gas…
Q: (b) Explain irreversible process and give example of any such thermodynamic system.
A: The thermodynamic process is incorporated into two categories one is reversible, which is also known…
Q: Calculate the change in entropy when a 0.125-kg chunk of ice melts at 0◦C. Assume the melting occurs…
A:
Q: (4) 1 mol of ideal gas (V1,T1) was expanded against vacuum, and the volume became V2. What is the…
A:
Q: What is Carnot efficiency of a heat engine operating between the temperatures of 381 Co and -11 Co…
A: Carnot efficiency of a heat engine operating between the temperatures of T1 and T2 is given by,…
Q: (3) 1 mol of ideal gas (V₁, T₁) was expanded against vacuum adiabatically, and the volume became V₂.…
A:
Q: (II) A four-cylinder gasoline engine has an efficiency of 0.22and delivers 180 J of work per cycle…
A:
(II) What volume of water at 0°C can a freezer make into
ice cubes in 1.0 h, if the coefficient of performance of the
cooling unit is 6.0 and the power input is 1.2 kilowatt?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps