upposed your refrigerator can remove heat at a power of 100 watts (100 joules per second), how long will it take to cool a liter of water from room temperature to 5°C? (   (Assuming the water is the only thing inside the fridge.) Hint: 1 calorie = 4.184 joules

Q: An aluminum cup of 76 cm³ capacity is completely filled with glycerin at 19°C. How much glycerin…

A: Let Vc is the original volume of the cup. αa​is the coefficient of linear expansion of aluminium and…

Q: 4. A calorimeter contains 1.500kg of water at 80.0°C. Then 0.500kg of ice at -5.00 Cis added to the…

A: The heat capacity of water is C= 4.187 kJ/ kg K and for ice, it is c = 2.108 kJ/kg K.

Q: A 6.0-cm-diameter cylinder of nitrogen gas has a 4.0-cm-thick movable copper piston. The cylinder is…

A: Given that:diameter of cylinder ,copper pistol thickness Density of copper is Gas Temperature Piston…

Q: A container holds 20.8 liters of Oxygen at 263K and a pressure of 2.77 atmospheres. How much heat…

A: volume of oxygen = 20.8 liters = 0.0208 m3Initial temperature = 263 k Initial pressure = 2.77 atm…

Q: A beaker of negligible heat capacity contains 456 g of ice at -25.0°C. A lab technician begins to…

A: The beaker initially contains 456 grams of ice, at -25 C. Water converts into ice as soon as the…

Q: An aluminum rod is 23.5 cm long at 20°C and has a mass of 350 g. If 10,500 J of energy is added to…

A:

Q: Water of volume 2 L in a container is heated with a coil of 1 kW at 27°C. The lid of the container…

A: We are aware that a 1 kW coil is heating 2 L of water to a temperature of 27°C in a container.The…

Q: Suppose we have a piece of a candy bar that has an initial mass of 28g. If we ignite the piece of…

A: The heat gained of loss by a material of mass m and specific heat s, when its temperature changes…

Q: A rubber ball of radius 2.52 m and emissivity 0.940 is heated to 128°C. HINT (a) Convert the given…

A: a) The given temperature in kelvin is TK=T°C+273=128+273=401K

Q: Suppose we have a piece of a candy bar that has an initial mass of 28g. If we ignite the piece of…

A:

Q: According to the USDA, an average, \moderately active" college student needs to eat 2500 calories…

A:

Q: Please don't provide handwritten solution ...... 2·1400 242 = 403,200J e = Useful IN PUF 8) While…

A: An oven contains 3.0 mols of gasgas molecules at  temperature of (T) = 480 KMolar heat capacity at…

Q: An insulated Thermos contains 190 cm³ of hot coffee at 85.0°C. You put in a 16.0 g ice cube at its…

A:

Q: A rubber ball of radius 1.72 m and emissivity 0.940 is heated to 128°C. HINT (a) Convert the given…

A: Given values -  Radius =r =1.72 mEmissivity=e=0.940Temperature=T1=128oC

Q: Air conditioners sold in the United States are given a seasonal energy-efficiency ratio (SEER)…

A: Temperature inside = 24∘ C = 24 +273 K =297 K Temperature outside =35∘C=35+273K =308 K To find SEER…

Q: An aluminum cup of 140 cm³ capacity is completely filled with glycerin at 25°C. How much glycerin…

A:

Q: C, = 0.9167 + (2.577 × 10 *)T – (3.974 × 10 ")T² in kJ/kg-K. temperature reaches 927°C. The specific…

A: Given, initial temperature is Ti=27oC=300K final temperature is Tf=927oC=1200K And specific heat at…

Q: ou are in space, compare the rate of heat loss for bare skin vs. a nice thick layer of…

A: Average mass of human m=75 kg and average/room temperature T=298 K. Specific heat of human body…

Q: For a cube-shaped room, 10 ft on a side, what will be the rate of heat loss if the R-value is 4…

A:

Q: A small electric immersion heater is used to heat 87 g of water for a cup of instant coffee. The…

A: Given data:  Mass (m) = 87 g = 0.087 kg Power (P) = 170 watts Initial temperature (Ti) = 18°C Final…

Q: hat all the energy ends up in the water. Something to think about: why is no heat involved in this…

A:

Q: A dietician develops a new diet, in which people drink copious amounts of ice water. The theory is…

A:

Q: An aluminum cup of 100 cm³ capacity is completely filled with glycerin at 16°C. How much glycerin…

A: Given Volume of the cup is V0=100 cm3 Initial temperature is t0=16°C Final temperature is tf=40°C…

Q: A small electric immersion heater is used to heat 84 g of water for a cup of instant coffee. The…

A: Given : mass, m = 84 g = 84 × 10-3 Kg  Power, P = 81 W  T1= 21 ℃ = 294 K  T2=100 ℃ = 373 K  Specific…

Q: dt Governed by Newton's Law of Cooling [= k(Te − T) where T is the temperature of the object, Te is…

A: We are given the initial and final temperatures and time taken to reach this final temperature. We…

Q: 1 kg of coffee, originally at 95°C, is placed into an insulating cup. You wish to cool the coffee…

A: Given,mc = 1 kgTc = 95 °CTf  =80 °CTi = -5 °C Ccoffee = 4186 Jkg.KCice = 2100 Jkg.KLice = 334000 Jkg

Q: A ceramic ball of radius 1.72 m and emissivity 0.900 is heated to 128°C. HINT (a) Convert the given…

A: Given data: theradius of a ceramic ball is emissivity is, temperature of a ball is, ambient…

Q: The coefficient of heat expansion for Aluminum is 2.4 ×10^-5 degrees C An aluminum piston has a…

A: Formula for volume expansion : ∆V=Vo3α∆T

Q: A conductive rod with a length of 50 cm has an intensity of 2T with a velocity v. A vertical…

A: Length of rod, L=0.5m Magnetic field, B=2 T

Q: You have just been to the shops and purchased a 3kg bag of ice (assume all at 0°C) to cool a 24 pack…

A: Given: Mass of ice = 2 kg Initial temperature of ice = 0 degrees No of beverage containers = 24…

Q: A container holds 0.70 g of argon at a pressure of 7.5 atm. A) How much heat is required to…

A: SOlution: given that m = 0.7 g P = 7.5 atm

Q: art 2: Problem Solving Questions     P 1 (thermodynamics).  What energy is required to convert a…

A: The energy required to convert a 3 g cube of ice at 213.15 K(-60°C)to 355.15 K(82°C)  consists of…

Q: An aluminum cup of 100 cm³ capacity is completely filled with glycerin at 16°C. How much glycerin…

A: Volume of cup,V=100 cm3Ti=16 °CTF=40 °C∆T=Tf-Ti=24°Clinear expansion coeff,α=23*10-6 /°Cvolume…

Q: 8. Sketch a graph that represents this relationship:

A:

Q: The number of kilocalories in food is determined by calorimetry techniques in which the food is…

A: The heat absorbed by the water and the aluminum cup is the same as the heat (energy) given off by…

Q: A rubber ball of radius 2.12 m and emissivity 0.940 is heated to 128°C. HINT (a) Convert the given…

A:

Q: The molar heat capacity of a certain substance varies with temperature according to the empirical…

A: Given data : Empirical equation =0.07 J/ mol K + (28.3 J/mol K2) T Number of moles= 4.3 mol of…

Q: A hollow aluminum cylinder 20 cm deep has an internal capacity of 2 L at 20°C. It is completely…

A:

Q: You have just been to the shops and purchased a 3kg bag of ice (assume all at 0°C) to cool a 24 pack…

A:

Q: 21.0 g of copper pellets are removed from a 300C oven and immediately dropped into 70.0 mL of water…

A:

Q: · A 3.2 m length of copper pipe extends directly from a hot-water heater in a basement to a faucet…

A: Given data: Original Length (L0) = 3.2 m Initial temperature (Ti) = 20.0°C Final temperature (Tf) =…

Q: An aluminum cup of 93 cm³ capacity is completely filled with glycerin at 19°C. How much glycerin…

A:

Q: If the R-value of a wall is 10 ft2-°F-hr/Btu, then the rate of heat transfer through a 2 ft x 3 ft…

A:

Q: . An electric immersion heater has a power rating of 1900 W. If the heater is placed in a 1.8 kg of…

A:

Q: At 20°C, a brass cube has an edge length of 25 cm. What is the increase in cube's surface area when…

A: Given that:-Initial temperature of cube, T0=20°CFinal temperature of the cube, T=75°CInitial edge…