A 1.0 kg lead bar at 80°C is placed in 2.0kg of water at 20°C. Find the final temperature of lead bar. Choices are: a. 22°C b. 28°C c. 40°C d. 50°C

Q: A 200. g copper can contains 150. g of oil at 20.0 °C. To the oil is added 80.0 g of aluminum block…

A: Given : mcu = 200 g Ti,cu = Ti,o = 20°C mo = 150 g mal = 80 g Ti,al = 300°C ρ = 2.7 g/cm3 α = 2.3 x…

Q: 1. An ideal gas at 20.00C and pressure 1.50x105 Pa is in a container having a volume of 1 litter. a)…

A: Solution:-Given thatInitial temperature (T1)=20°C=20+273=293 KInitial pressure (P1)=1.5×105…

Q: Gatun Lake contains roughly 5.20 km3of water. How much energy is required to raise the temperature…

A: The mass of the water is given by m=ρV Here, ρis the density of water and V is the volume of water.…

Q: 83. A monatomic ideal gas sample initially at a pressure of 1.1079 atm, a temperature of 46°C, and…

A: Monoatomic ideal gas means n = 1. Initial properties of gas: P1 = 1.1079 atm T1 = 46o C  = (273.15 +…

Q: During a bout with the flu an 80-kg man ran a fever of 39.0°C instead of the normal body temperature…

A: Mass of the man, m = 80 kg Body temperature during flu, T1 = 39°C Normal body temperature, T2 = 37°C…

Q: 2. Two 10-kg blocks of ice are used to make an ice sculpture. To do this, the artist uses a…

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Q: An insulated beaker with negligible mass contains 0.25 kg of water at a temperature of 85 °C. How…

A: here we have to use two formula:- 1) when temperature is changing :-     Q=mc∆T  here,  Q :- heat…

Q: The diagram shows four thermometers, labeled W, X, Y, and Z. The freezing and boiling points of…

A: For the thermometer W,The Boiling point is, The freezing point is, Size of the degree on scale of…

Q: PHUZZ On the Fahrenheit scale, the freezing point of water is 32°F and a comfortable room…

A: freezing point of water = 32oF freezing point of water = -30o P room temperature = 68oF room…

Q: 1. A jeweler must melt 44.59 g of silver. Assume the silver starts at room temperature (20°C) and…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: 3. In a container of negligible mass, 0.30 kg of ice at 0°C and 0.0800 kg of steam at 100°C are…

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Q: Emily is testing her baby’s bath water and finds that it is too cold, so she adds some hot water…

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Q: A silver block has a mass of 1 kg and specific heat capacity of silver is 0.240 J/g°C. What is the…

A: Given data:  Mass (m) = 1 kg = 1000 g Specific heat capacity (c) = 0.240 J/g.°C Heat energy released…

Q: 3. The rail roads are usually made of steel material segments with a 10 m long. Between each…

A: Given data: The length of the railroad is l=10 m The initial temperature is T1=-20°C The final…

Q: Q R 35°C 50°C 10°C 25°C Four spheres composed of the same metal have been heated to different…

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Q: An ideal gas initially occupies a volume of 15.0 L at a pressure of 5.00º c. The gas then underogoes…

A: Initial Volume (V1) = 15 L Initial Temperature (T1) = 5 degree C or T1 = 273+5= 278 Kelvin or 278 K…

Q: The initial temperature of an object is 30°C. If the internal energy of the object doubles, what is…

A: Initial Temperature of the object is (Ti)=300 C Final Internal Energy = 2×Initial Internal energy

Q: 8. 5.0 moles of an ideal gas that occupies a volume of 30 L at a temperature of 30°C undergoes an…

A: Given value--- Number of mole = 5. initial volume = 30 L. final volume = 20 L. Temperature = 30…

Q: At 68°F, an aluminum ring has an inner diameter of 5.000 cm, and a brass rod has a diameter of 5.050…

A: Given Data Diameter of the aluminum ring is dal=5.000 cm=0.0500 m Diameter of the brass rod is…

Q: A platinum bar increases in length by 0.2% when its temperature increases to 222OC. a.    Draw the…

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Q: (k-0.84 J/sm'C) in one minute if the temperature difference between two sides of the window is 10.…

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Q: Suppose a cold front blows into your area and drops thecurrent temperature of 90°F to 50.0°F. a.…

A: Hai, since there are multiple sub parts posted, we will answer the first three sub parts. (a) The…

Q: An ideal gas in a closed container of constant volume is warmed until its pressure doubles. The gas…

A: SOlution: given that P1 = P P2 = 2P T1 = 100 C

Q: 1. What is the normal body temperature on the fahrenheit, celsius, and kelvin scales? 2. What…

A: 1. Explanation: The normal body temperature on the Fahrenheit scale is  98.6°F. The normal body…

Q: A cup of hot water has a temperature of 80°C and is placed in a room that has a temperature of 25°C.…

A: Given, T0= 25 degreeC T=88 degree C After 15 min, T= 66 degree C From Newton's Law of…

Q: Lead pellets, each of mass 1.40 g, are heated to 200°C. How many pellets must be added to 546 g of…

A: When two objects or bodies with different temperatures come into contact, the heat transfers from…

Q: 5. A fire extinguisher has an internal pressure of 300 psi at 25°C. What is the pressure at it is…

A: Dear student,  Since both questions are different as per guidelines we can author only first one…

Q: A hollow aluminum cylinder 20.0 cm deep has an internal capacity of 2.000 L at 20.0°C. It is…

A: The overflow of the liquid is the difference between the volume of the cylinder and the final volume…

Q: A sample of a liquid has a mass m and a specific heat capacity c.  When an amount of heat Q is…

A: The heat supplied to a mass can be expressed, dQ = mc dT Where, dQ = heat supplied  m = unit mass  c…

Q: Consider a 0.16-kg piece of ice starting at -21°C. Hint a. How much heat transfer is necessary to…

A: Given: m=0.16 kg T_o=-21o C

Q: 11. Steam at 100°C is added to ice at 0°C. a. Find the amount of ice melted and the final…

A: (a) Given data The temperature of the steam is Tsteam = 100°C The temperature of ice is Tice = 0°C…

Q: A sphere of aluminum of 0.047kg placed for sufficient time in a vessel containing boiling water, so…

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Q: A 2.7 kg lump of aluminum is heated to 92°C and then dropped into 12.0 kg of water at 5.2°C.…

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Q: If two small beakers of water, one at 70°C and one at 80°C, are emptied into a large beaker, what is…

A: Let say one Beaker of water having mass, m1 and at temperature , T1= 700C and another Beaker of…

Q: The change in temperature of a substance when heated, depends on its specific heat capacity. a. If…

A: Given: Specific heat capacity of lead (Clead)=120 J/kgk Mass of lead ball (m) = 0.50 kg Initial…

Q: A physics students wants to know how much ice can he put inside an insulated beaker containing 250g…

A: Heat flow due to temperature difference is Q = ms∆TWhere, S = specific heat

Q: A copper block with an initial temperature of 12°C is dropped into 550g of water initially at 79°C,…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 492-g sample of…

A: Given: The mass of water is mw=225 g. The mass of copper stirrer is mc=40 g. The temperature of cup…

Q: 14. A granite ball of radius 2.00 m and emissivity 0.45 is heated to 135°C. a. Convert the given…

A: a) To convert temperature from Celsius to Kelvin, TK=TC+273.15TK=135+273.15KTK=408K

Q: A 0.0600-kg ice cube at -30.0°C is placed in 0.450 kg of 35.0°C water in a very well-insulated…

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Q: The rigid bar ABC is supported by a pin at B and two vertical steel rods. Initially the bar is…

A: It is required to determine the stress in each rod if the temperature of the rod at A is decreased…