A 10 Ω resistor is held at a temperature of 300 K. A current of 5 A is passed through the resistor for 2 minutes. Ignoring changes in the source of the current, what is the change of entropy in (a) the resistor and (b) the Universe?
Q: a 2.0kg block moving with an initial speed of 5m/s slides on a rough table and it stopped by the…
A:
Q: This is a symbolic version of Problem 52. When a metal bar is temporarily connected between a hot…
A: When there is change in heat Q at a constant absolute temperature T, the entropy changes as,
Q: If I know that the change in entropy of a system where heat was added is 30 J/K, and that the…
A:
Q: a 2.0kg block moving with an initial speed of 5m/s slides on a rough table and it stopped by the…
A: Given: The mass of the block is 2 kg. The initial speed of the block is 5 m/s.…
Q: نقطة واحدة Entropy is a measure of randomness in a molecular system True O False O 5aalg älbai The…
A: 1. True
Q: As the metals reach thermal equilibrium, what is the entropy change of the universe? Express your…
A:
Q: 0.2kg cup of tea at Ti=368.15K is left to cool down in a room at 293.15K. Calculate the following…
A: The heat transferred to the system divided by the system temperature is the entropy change of the…
Q: A 600 g lump of copper at 80.0C is placed in 70.0 g of water at 10.0 C in an insulated container.(a)…
A: a) The equilibrium temperature is, b) The required entropy change of copper is,
Q: Suppose a utility generates electricity with a 32% efficient coal-fired power plant that emits SO₂…
A:
Q: A freezer is used to freeze 1.5 L of water completely into ice. The water and the freezer remain at…
A: The expression for change in entropy is, ∆S=QT…
Q: The entropy of a system is a measure of the dispersal of matter and energy among the molecules in…
A: True, the entropy of a system is measure of the dispersal of matter and energy among the molecules…
Q: (a) energy per cycle is delivered as heat to the room and (b) work per cycle is required to run the…
A: (a) The coefficient of performance is as follows: COP=QhQh-QcCOP=ThTh-Tc 1
Q: QUESTION 38 This image depicts homeostatic regulation of temperature and the output signals control…
A: Given : An image of homeostatic regulation of temperature and the output signals control a heating…
Q: Suppose there are 10 distinguishable particles in a box divided into two equal compartments, A and…
A: The total number of distinguishable particle is N=10 The initial particles in the compartment A and…
Q: If I add 30J of heat to a system so that the final temperature of the system is 300K, what is the…
A: Entropy change = [Heat change in process÷ Temperature ] Heat change = 30J Temperature = 300K
Q: What is the entropy S of this system at a given temperature T, asT→∞, and T→0. We expect the entropy…
A:
Q: Answer below questions for a heat pump that puts in 80 J of heat into the hot reservoir per cycle…
A: Given data, Heat given to the hot reservoir (QH)=80 J Coefficient of performance (n)=4
Q: A 45.0 g block of tungsten at 30.0 C and a 25.0 g block of silver at 120 C are placed together in an…
A: a) The required equilibrium temperature is,
Q: If the entropy of state X of a system is higher than the entropy of state V of the system, what can…
A: As we know that there is always increase in the entropy of the universe. As the Entropy of state X…
Q: energy
A: When muscle contracted then no of molecules remain constant, electrical charge and length are also…
Q: A 100 ohms resistor carrying current of 1 Amp is maintained at a constant temperature of 30°C by a…
A:
Q: The surface of the Sun is approximately at = 700 K, and the temperature of the Earth’s surface is…
A:
Q: The thermodynamic limit (N →,V →»)ensures that A) The mass density remains constant B) The particle…
A: The thermodynamics limit N→∞,V→∞ ensures that ,particle density is fixed.
Q: A heat pump has a coefficient of performance of 2.2 in heating mode. If it requires 140 J of work…
A:
Q: Each particle has 2 energy levels that are 0 and α. Using ni=Ae^−εi/kT What is the entropy S of…
A:
Q: If 100 J of heat is added to a system so that the final temperature of the system is 400 K, what is…
A: Given: 100J of heat added to the system Q = 100J change in temperature is…
Q: possible configurations does not change.
A: Given: To find the change in the entropy using the values as, C=3.21×1042X=8872Y=3049
Q: Assume that the turbines at a coal-powered power plant were upgraded resulting in an improvement in…
A: Heat and work are two forms of energy. Heat transfers from high temperature region to low…
Q: A 67.5-kg person typically eats about 2250 kcal per day, 21.0% of which goes to mechanical energy…
A:
Q: 9. Is the entropy of a bag of popcorn greater than, less than, or equal to the entropy of the…
A: The entropy of a bag of popcorn must be compared to the entropy of the corn kernels just prior to…
Q: If 370 J of work is performed with 45% efficiency, what is the amount of energy that goes into…
A:
Q: S(B, T) ↑ (3) B₁ <B₂ B₂ T3 T₁ T Figure A1 Figure A1 shows the entropy S of a paramagnetic solid as a…
A:
Q: A 49.6 g block of copper whose temperature is 492 K is placed in an insulating box with a 107 g…
A:
Q: (a) Suppose a 500 resistor is immersed in an oil bath. The oil bath is kept at a constant…
A:
Q: A freezer is used to freeze 4.6 L of water completely into ice. The water and the freezer remain at…
A:
Q: A freezer is used to freeze 5.0 L of water completely into ice. The water and the freezer remain at…
A: The energy transferred from the water by heat can be obtained as Q=mwaterLf=ρVLf Substituting the…
Q: -qv1(cos wt) ̟t). Bo±r ( cos w, y
A:
Q: A cylinder of gas has a temperature of 32F. a) If 205J is added to the system at constant…
A: Given Gas is at T=32oF=273.15K a) The amount of heat added to the system is Q=205J So at a…
Q: A power plant burns coal to produce pressurized steam at 554 K. The steam then condenses back into…
A: Given Data:High temperature Low temperature Output power To Determine:The rate of the heat removed…
Q: Pressure is applied isothermally to a container that holds a liquid. Assuming the liquid is…
A: The liquid is compressible.pressure is applied to this liquid isothermally, therefore T=const.It is…
Q: We trapped 28 kg of dry air, and it initially has standard pressure and temperature. The trapped air…
A: Given : Mass of the dry air trapped, m = 28 kg The trapped dry air, initially has standard…
Q: Water condensation on surfaces such as a mirror after a hot shower, or on a lid of a pot of boiling…
A: Given:Condensation of water if irreversible process.It is asked about the entropy of the system and…
Q: A 23.9 g block of copper whose temperature is 382 K is placed in an insulating box with a 57.3 g…
A:
A 10 Ω resistor is held at a temperature of 300 K. A current of 5 A is passed through the resistor for 2 minutes. Ignoring changes in the source of the current, what is the change of entropy in (a) the resistor and (b) the Universe?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps