An ice cube at 0 degrees C is dropped into a container with 0.5 kg of water at 20° C. The specific heat of water is 4186 J/kg° C. The latent heat of fusion for water is 33.5 × 10^4 J/kg. 1. If the ice cube completely melts and the water cools to 0° C, then what is the mass of the ice cube?

Q: A 2 kg lead is heated from 40 degrees Celsius to 100 degrees Celsius. The specific heat of lead is…

A: Specific heat capacity is the amount of heat that must be added or removed from a unit mass of a…

Q: A 50.0 g iron rod is heated to an unknown initial temperature. While cooling down to a temperature…

A: According to equation of specific heat -  Q=mc∆T Where,  Q= Heat gain and loss  m = Mass  c =…

Q: The radiation energy (intensity of the radiation) reaching Earth from the sun at the top of the…

A: Concept used: Equilibrium temperature of earth depends on amount of heat energy absorbed and…

Q: A student drops two metallic objects into a 120 g tin container holding 150 g of water at 77,0°F.…

A: We know, Q = m × c × (T2 -  T1)( Where Q is the heat, m is the mass,  c is the specific heat,  T1…

Q: The specific heat of water is 1.0 cal/gram oC. 100 gram hot water at 100 oC is mixed with 300 gram…

A: Given: The mass of the hot water is 100 g. The initial temperature of the hot water is 100oC. The…

Q: a glass blower cools a 45.6 g glass (Cglass = 0.8372 J/ g C) object that is initially at 89.0 C, and…

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Q: A 100-g cube of ice at 0°C is dropped into 1.0 kg of water that was originally at 80°C. What is the…

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Q: You add 135 kJ of heat to a block of metal with a mass of 5.0kg. The temperature of the metal rises…

A: The problem can be solved by using the  formula for specific heat.

Q: A 0.233 kg piece of pure metal is heated to 100 degrees Celsius and then placed in an aluminum can…

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Q: The amount of radiant energy emitted by a surface is given by q = ɛ0 AT+ where q represents the rate…

A: Dimensional Analysis Dimensional Analysis is a method of studying the dimensions of complex physical…

Q: Water has a specific heat of 4.2 kJ/kg degrees C. A stockpot filled with 4.8 kg of water is placed…

A: Given, Power output, P=1.9 kW Specific heat , CV=4.2 kJkg°C mass of water, mW=4.8 kg Initial…

Q: What quantity of heat is required to raise the temperature of 450 grams of water from 15°C to 85°C?…

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Q: In order to cool 1 ton of water at 20°C in an insulated tank, a person pours 80 kg of ice at -5°C…

A: The given values are,

Q: A 3.0 cm diameter spherical body has a temperature of 700°C that radiates as a perfect emitter. What…

A: Since the body is perfect emitter, the emissivity ε = 1. The power radiated from a surface area A at…

Q: You mix 300 g of hot coffee at 80°C with some amount of cold cream at 10°C. When the coffee and the…

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Q: the specific heat capacity of the system during a certain process is given by Cn=(0.4+0.004. T)…

A: dQ = m×Cn×dT By integrating both sides  Q = 6 × [.4T+(.004T^2/2)]  Put upper limit 125°C and lower…

Q: A freshly brewed cup of coffee has temperature 95°C in a 20°C room. When its temperature is 76°C, it…

A: Initial temperature of coffee: 95° C Temperature of surrounding: 20° C Temperature of coffee after…

Q: A bottle containing 4.25 kg of water at a temperature of 21.2 degrees Celsius is placed in a…

A: Given data:  Mass (m) = 4.25 kg Initial temperature (T0) = 21.2°C Final temperature (T) = 3.84 °C…

Q: 6. A cake is removed from an oven at 320⁰ F and cools to 130° F after 28 min in a room at 77° F. How…

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Q: The temperature of water in a swimming pool decreases by 5.0 K during the night. The mass of the…

A: Given, The temperature of water decreases by 5 k mass of water in the pool is 560,000 kg specific…

Q: A sample of lead has a mass of 0.45 kg (lead has a specific heat of 130 J/kgK). The sample is…

A: Consider the lead of mass m having specific heat capacity c and Ti and Tf are the initial and the…

Q: 61.20 g of water at 58.0°C is added to a student calorimeter containing 48.80 g of water at 25.0°C.…

A: Given data:  Water added to a student calorimeter containing water  m1 = 61.20 g and T1 = 58.0°C m2…

Q: The air above water is cooled as a result of the water absorbing heat from the air. How large a…

A: Concept used: Heat absorbed from water remains constant. It depends on specific heat of air and…

Q: The intensity of solar radiation reaching the Earth is 1,340 W/m2. If the sun has a radius of 7.000…

A: This question is based on thermal properties of matter topic. We need to know about Stephan…

Q: Assume the overall world energy consumption is 650 EJ. Now assume that you transfer all this energy…

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Q: During the midday 2pm, the temperature of the water that is left out on a table is 14°C. If the…

A: From Newton's law of cooling: T(t) = Ta + A*e^(k*t) eq(1) Ta = Atmospheric temperature = temperature…

Q: Heat from the Sun is incident on a leaf that is horizontal to the radiation. The power per unit area…

A: (a) The relation of the power from the Sun absorbed by the leaf is Pl=radiant flux×area×75100…

Q: How much kilojoule (kJ) of heat is required to increase the temperature of a liquid from 13.2°C to…

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Q: In a lab experiment you mix  500 g of water at t=20 oC  with 300 g of an unknown liquid at 115 oC.…

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Q: A 10 kg box is hit by a truck and slides across the concrete. After being hit by the truck the box…

A: Heat gained by the box is same as the kinetic energy lost, then the specific heat of box is

Q: A 39 g metal ball is heated with 2844 J of energy. The specific heat of the metal ball is 0.35…

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Q: A machine part consists of 0.41 kg of iron (of specific heat 470 J/kg ∙ K ) and 0.44 kg of copper…

A: Given value--- mass of iron = 0.41 kg. mass of copper = 0.44 kg. specific heat of iron = 470 J/kg -…

Q: A 500 g copper cup has an initial temperature of 250 oK. If the specific heat of copper is 385 J…

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Q: You have to samples of equal mass one of gold and one of copper that you heat up to 120ﾟC. Gold has…

A: Given information: The specific heat of gold (G) = 1260 j/kg. K The specific heat of copper (C) =…

Q: You heat up a piece of hot metal with an emissivity of 0.1 until it glows. If the temperature of the…

A: Given data:  Emissivity (e) = 0.1 Temperature (T) = 3000 K Surface Area (A) = 0.1 m2 Required: The…

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

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Q: When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and…

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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.