An 8.0 g ice cube at -10˚C is put into a Thermos flask containing 110 cm3 of water at 15˚C. By how much has the entropy of the cube-water system changed when a final equilibrium state is reached? The specific heat of ice is 2200 J/kg K and that of liquid water is 4187 J/kg K. The heat of fusion of water is 333 × 103 J/kg.

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: Suppose 1.99 kg of water at 16.6°C is mixed with 1.36 kg of water at 79°C. After equilib- rium is…

A: Data Given.  m1 = 1.99 kg  T1 = 16.6°C = ( 273 + 16.6 ) K = 289.6 K  m2 = 1.36 kg T2 = 79°C = ( 273…

Q: System A and system B are thermally isolated from everything else but exchange heat with each other.…

A: Solution: Using the concept of calorimetry, that heat loss is equal to heat gain. The following…

Q: Two blocks, each containing 2.00 moles of silver (Cp = 25.35 Joules per kelvin per mole), are…

A:

Q: On a winter day, a certain house loses 1.12 x 108 J of heat to the outside. What is the total change…

A:

Q: A Styrofoam cup holding 145 g of hot water at 1.00 ✕ 102°C cools to room temperature, 25.0°C. What…

A:

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: When 1.70 ✕ 105 J of heat transfer occurs into a meat pie initially at 20.0°C, its entropy increases…

A:

Q: 20 grams of ice initially at -15◦C is placed on top of 100 grams of 350◦C solid gold in a thermally…

A:

Q: A container with 41 g of a certain liquid (c = 4171 J/kg · °C, Lv=2224 kJ/kg) at 22 °C is heated up…

A:

Q: When 1.60×105J of heat transfer occurs into a meat pie initially at 20.0º C , its entropy increases…

A: Given quantities: heat transfer (dQ) = 1.60×105 J increase in entropy (dS) = 480 J/K initial…

Q: If you add 400 J of heat to a system so that the final temperature of the system is 200 K, what is…

A:

Q: On a winter day, a certain house loses 5.00 × 108 J of heat to the outside (about 500,000 Btu). What…

A: On a winter day, a certain house loses 5.00 × 108 J of heat to the outside (about 500,000 Btu). What…

Q: A  708-g quantity of a substance is at its melting point of -112.5∘C in the liquid state. The heat…

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: There is a 300-g covered aluminum cup at 25°F being filled with 190-g of water at 90°C. Equilibrium…

A:

Q: The Sun radiates energy at the rate of 3.80 x 1040 W from its 5500°C surface into dark empty space…

A: Given: P=3.80*1026 W=3.80*1026 J/sTh=5500°C = 5500+273.15 K =5773.15 KTc=-270 °C = -270+273.15K=3.15…

Q: 20 g copper at 40 degree celsius is dropped into a constant volume calorimeter containing 100 g…

A:

Q: Calculate the change in entropy on converting a mole of a gas occupying 20 liters at a pressure of 2…

A: Given data: Pressure of state 1 P1=2×105 N/m2. Volume of state 1 V1=20 liters. Pressure of state 2…

Q: 840 g of water (Cp = 4.186 J/g-K) is heated to 94 ⁰C at constant pressure. The resulting change in…

A:

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: both ASA and ASB are positive both ASA and ASB are negative ASA is positive and ASB is negative ASA…

A: The solution for this question is given below...

Q: If the plant operates at 50.0% of its maximum efficiency and its power output is 1.23 × 108 W, at…

A: The given data are: TH=540 KTL=313 KQH=1.23×108 W Here, TH is the higher temperature, TL is the…

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: A 5 kg block of ice initially at 268.15 K is placed in thermal contact with a very large reservoir…

A:

Q: When 1.60 ✕ 105 J of heat transfer occurs into a meat pie initially at 20.0°C, its entropy increases…

A: The equation for the change in entropy is Here, ΔS is the change in entropy, Q is the amount of…

Q: A block made of nickel with a mass of 0.80 kg is heated to 800°C, then dropped into 5.00 kg of water…

A: Given: The mass of the nickel is mN=0.80 kg. The temperature of the nickel is TN=800∘C. The mass of…

Q: One container holds 0.10 kg of water at 80 C and is warmed to 100 C by heating from contact with the…

A:

Q: What is the entropy change involved in transforming 5 g of ice at 0C and 1 atm pressure into vapor…

A:

Q: The temperature at the surface of the Sun is approximately 5,450 K, and the temperature at the…

A: The temperature of the Sun Ts = 5450 K The temperature of the Earth Te = 291 K   Energy transferred…

Q: (a) In reaching equilibrium, how much heat transfer occurs from 1.2 kg of water at 40°C when it is…

A: Entropy increases in a closed system, such as the universe. But in parts of the universe, for…

Q: A 1 kg chunk of ice at 273 K and 1 atmosphere melts completely in water at 273 K. What is its change…

A: The problem is asking for the change in entropy when a 1 kg chunk of ice at 273 K melts completely…

Q: A 67.5-kg person typically eats about 2250 kcal per day, 21.0% of which goes to mechanical energy…

A:

Q: A bowl of sinigang has been left to cool down from 100 C to 25 C. The mass of the soup in the bowl…

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: What is the change in entropy of the ice when a 0.050-kg ice cube at 0°C melts? The latent heat of…

A:

Q: Arrange the given systems, represented by their active degrees of freedom, in order from highest…

A:

Q: The entropy of a block of ice increases by 75 J/K as it warms from -33 degrees Celsius to 0 degrees…

A:

Q: 150 g liquid water at 80.0°C is placed in an insulated flask. A 12.0 g ice cube at 0°C is added to…

A: Given values: Mass of the water, mw=150 gTemperature of the water, Tw=80°C=353 KMass of ice, mi=12…

Q: container of ideal gas at standard temperature and pressure (273 K and 1 atm) undergoes an…

A:

Q: A 500-g chocolate bar starts to melt at 45OC. What is the change in entropy?

A: The change in entropy △S is related to temperature T by, △S=QT. Here, Q is the heat energy required…

Q: n 14 g ice cube at -15°C is put into a Thermos flask containing 130 cm³ of water at 17°C. By how…

A: