A 20-g ice cube floats in 180 g of water in a 100-g copper cup; all are at a temperature of 0°C. A piece of lead at 90°C is dropped into the cup, and the final equilibrium temperature is 12°C. What is the mass of the lead? (The heat of fusion and specific heat of water are 3.33 105 J/kg and 4,186 J/kg · °C, respectively. The specific heat of lead and copper are 128 and 387 J/kg · °C, respectively.)

Q: A 5 gram lead bullet traveling in 20°C air at 300 m/s strikes a flat steel plate and stops. What is…

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Q: A 50-g ice cube floats in 150 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

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Q: what is the rate of heat (in W) lost though the window [round your final answer to zero decimal…

A: Given: The inner surface temperature=21.80 C Outside surface temperature=18.60C Area = 2.66 m2…

Q: An ice cube at 0 degrees C is dropped into a container with 0.5 kg of water at 20° C. The specific…

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Q: If 31.0 g of milk at a temperature of 4.15°C is added to a 250-g cup of coffee at a temperature…

A: Let the final temperature is T

Q: The core temperature of an athlete is 37 °C and his surface area is 1.8 m2. The thermal conductivity…

A: Concept: The Formula to determine the rate of Heat Flow is, Qt=kA∆Txwhere,k=Coefficient of Thermal…

Q: Problem 6: Consider a 0.775 kg aluminum pot containing 2.35 kg of water. Substances Solids Aluminum…

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Q: A hot-air balloon has a volume of 1100 m³. The density of air at 20 ⁰C is 1.205 kg/m³. The density…

A: weight can the hot-air balloon lift (including the balloon itself) is W. For the equilibrium…

Q: During the time when a man had flu he ran a fever 2.0°c above normal. His body temperature was 39°c…

A: Given that Change in temperature is ∆θ = 2°C Mass m = 80 kg Specific heat capacity C =4186 J/kg°c

Q: Using the same sample of gas (P = 325 torr ,T = 14 °C), we wish to change the pressure to 3250 torr…

A: As per guidelines we are suppose to do only one question from multiple questions, please post other…

Q: A 34-g ice cube floats in 190 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

A: The expression for the heat energy gained by the water is as follows; Qw=190×10-3kg4186…

Q: ce at 0.0°C is mixed with 8.30 × 102 mL of water at 25.0°C. How much ice must melt to lower the…

A: Solution: given that ice temperature Tice,i=0 degree C The volume of water V=8.33x102 mL water…

Q: a container has 0.3 kg of water and 0.5 kg of ice at 273 K. How much water vapor should be…

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Q: A student, who is trying to drink away memories of a physical science homework, decides to pour…

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Q: A blacksmith cools a chunk of iron initially at 625 °C by trickling water from a jug over it. The…

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Q: Under what conditions is the work done i) maximum and ii) minimum?

A: Given:-             Under the condition for the work done  i. maximum ii. minimum is following…

Q: A 38-g ice cube floats in 250 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

A: The given values are, mice=38 g=0.038 kgmw=250 g=0.250 kgmcu=100 g=0.100 kgTi,w=0° CTlead=90°…

Q: A room has dimensions of 7.2 m by 5.9 m by 3.2 m. The pressure inside the room is 90,000 Pa and the…

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Q: If a cup of coffee has temperature 95°C in a room where the ambient air temperature is 22°C, then,…

A: Given data The ambient air temperature is given as T=22°C. The equation of temperature is given as…

Q: A 0.01 m long nickel rod is placed in the furnace and heated to 500°C at room temperature (25°C).…

A: Given data: Initial length of the nickel rod, Lo=0.01 m Initial temperature, T1=250C Final…

Q: Roger heats a brass metal cube (specific heat = 375 J/kg·°C) to 70.0°C and places the cube into an…

A: Water is  initially at a temperature of 100CWater gains heat from the brass metal cube, which is at…

Q: A glass windowpane in a home is 0.0058 m thick and has dimensions of 1.1 m x 2.3 m. On a certain…

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Q: 1.3. A copper cylinder has a mass of 65.5 g and a specific heat of 0.092 cal/g·°C. It is heated to…

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

Q: A glass with a specific heat capacity of 0.84 J g-1 K-1 has a temperature of 20.0 degrees Celcius.…

A: Given value--- specific heat capacity of glass = 0.84 J g-1 K-1. temperature of glass = 20 degree…

Q: A 34.0-g ice cube floats in 234 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

A: Given mass of ice cube mi=34gmass of water mw=234g

Q: When you (m=57.9 kg) walk for 77 min, you burn 537.59 food Calories.  When you ingest something…

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Q: 0.35 kg of water ice at -3.1°C is placed in an aluminum mug that had been previously cooled to…

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Q: A 50-g ice cube floats in 220 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

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Q: When resting, a person has a metabolic rate of about 7.31 x 105 joules per hour. The person is…

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Q: The specific heat of ice is 2.100 kJ/kg °C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the…

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Q: If the heat is assumed to be generated 0.03 m below the skin, the temperature difference between the…

A: In this case, the heat is generated below the skin. The temperature difference between the skin and…

Q: You wish to cool a 1.95 kg block of brass initially at 80.0°C to a temperature of 41.0°C by placing…

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Q: If 31.0 g of milk at a temperature of 4.05°C is added to a 260-g cup of coffee at a temperature…

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Q: A block of copper with mass 0.600 kg is heated to 400. degrees Celsius from 260. degrees Celsius.…

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Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.