A blacksmith heats a copper work-piece to 800°C and then quenches it using water.The work-piece has a mass of 5.0 kg and has been immersed in a vessel containing 200 L of water at initial temperature of 20°C. Assume the vessel is perfectly insulated, and the specific heat of copper and water are 0.385 kJ kg–1K–1 and 4.18 kJ kg–1K–1 respectively. (a) Calculate the final temperature of the copper work-piece.  (b) Calculate the change in internal energy of the work-piece between the initial and final states.

Q: Steam at 100°C is used to warm 350 g of water contained in a 300 g aluminum container.  The initial…

A: Temperature of steam: Mass of water in Aluminium container: Mass of Aluminium container: Initial…

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: A piece of iron of mass 2.05 kg is removed from a furnace where its temperature is 822°C and is…

A:

Q: Brewed coffee is often too hot to drink right away. You can cool it with an ice cube, but this…

A:

Q: An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 444-g sample of…

A: We'll use law of conservation of energy here and different standard values of specific heat capacity…

Q: If you pour 0.0100 kg of  20.0°C  water onto a 1.20-kg block which is initially at  −15.0°C. and the…

A: Given  m1 = 0.0100 kg    .........   water at 20°C  m2= 1.20 kg       ........   block at -15° C…

Q: What is the heat capacity of a system consisting of 8.10 kg of water in a 0.310-kg aluminum bucket?…

A: Write the given values with the suitable variables. mw=8.10 kgma=0.310 kgCa=0.9 kJ/kg KCw=4.186…

Q: A 0.264-kg coffee mug is made from a material that has a specific heat capacity of 907 J/kg C° and…

A:

Q: water and steam, initially at 100 degrees celcius, are cooled down to skin temperature of 34 degrees…

A: Mass of steam                       Initial temperature of steam                        Temperature…

Q: A perfectly insulated calorimeter has the following parts placed inside of it: 0.250 kg of water at…

A: The given values are,

Q: A block of 10.0 kg of solid gold at its melting point of 1,063.00°C changes phase to liquid gold at…

A: Given data: The mass of block is m=10 kg. The melting temperature is T=1063℃. The latent heat of…

Q: In an insulated container, you combine hot metal with ice. The ice starts at -20 degrees C. The…

A: Obtain the specific heat of ice. Obtain the specific heat of the water. Obtain the latent heat of…

Q: A curious student decides to conduct an experiment for understanding the relationship between…

A:

Q: the mine transfers enough energy by heat to the mine's cooling systems to melt 363147 kg of ice at…

A: Given : Mass of ice (m) = 363147 kg Energy increased by 9.3 % Latent Heat of fusion of Ice (L) =…

Q: A 900 g copper rod at 20oC has a length of 1.0000 m. The thermal expansion coefficient of copper is…

A: A  copper rod at  has a length of . The thermal expansion coefficient of copper is , and its…

Q: Five people, all about equal masses, are in a perfectly sealed room in which the air conditioner is…

A: Five people, all about equal masses, are in a perfectly sealed room in which the air conditioner is…

Q: A 0.045-kg ice cube at -30.0°C is placed in 0.405 kg of 35.0°C water in a very well-insulated…

A: Given data: The mass of ice is m=0.045 kg. The mass of water is M=0.405 kg. The initial temperature…

Q: Initially you have mwater=4.2kg of water at Twater=66 degrees celcius in a insulated container. You…

A: Recall Q=mc∆T Also, principle of calorimetry. Heat lost by hotter body=heat gained by colder body

Q: If you pour 0.0100 kg of 20.0°C  water onto a 1.20-kg block which is initially at  −15.0°C. and the…

A: As per the given data, Mass of the water (mw) = 0.01 kg; Initial temperature of water (Tw) = 200 C =…

Q: A 0.035-kg ice cube at -30.0°C is placed in 0.405 kg of 35.0°C water in a very well-insulated…

A: Let the final temperature be Tf.  Heat required to change temperature △T of a sample of mass m and…

Q: An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 419-g sample of…

A: Given:       mw= 225g of water       ms= 40 g copper stirrer at 270C       msilver= 419 g…

Q: An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 477-g sample of…

A: Given data:  Mass of water (mw) = 225 g Mass of copper stirrer (mcu) = 40 g Mass of silver (mAg) =…

Q: Most automobiles have a coolant reservoir to catch radiator fluid that may overflow when the engine…

A: Given data, Volume V=17 L Coefficient of volume expansion of copper βc=5.1×10-5 /°C Coefficient of…

Q: In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a…

A:

Q: A sealed container isolated from its environment holds 0.770-kg of water at 13.5°C.  A heater inside…

A:

Q: Ice melts to liquid water at O.0°C and it absorbs 0.334kJ of heat per gram. Suppose the heat needed…

A:

Q: 1. Most automobiles have a coolant reservoir to catch radiator fluid that may overflow when the…

A: To determine if the fluid will overflow, we need to calculate the change in volume of both the fluid…

Q: A 1.50-kg iron horseshoe initially at 660°C is dropped into a bucket containing 22.5 kg of water at…

A: Using the given expression, T=mwatercwaterTwater+mironcironTironmironciron+mwatercwater

Q: A cube of iron with a mass of 2.00 kg, initially at a temperature of 150.0°C, is in a well-insulated…

A:

Q: You are heating 310 mL of water to make tea; however, you forget the pot on the stove, and all of…

A: The specific heat (C) and latent heat (L) of a substance of mass (m) that absorbs heat (Q) and its…

Q: At a chemical plant where you are an engineer, a tank contains an unknown liquid. You must determine…

A:

Q: How much nitrogen evaporates

A: The heat lost by the ice is gained by the nitrogen and it gets evaporated. It can be represented as,…

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: A sealed container isolated from its environment holds 0.735-kg of water at 13.5°C. A heater inside…

A:

Q: A sealed container holding 0.492 kg of liquid nitrogen at its boiling point of 77.3 K is placed in a…

A: Heat energy is how quickly the molecules and particles in a substance are moving. Temperature is the…

Q: A 1.50-kg iron horseshoe initially at 660°C is dropped into a bucket containing 22.5 kg of water at…

A: The heat lost by the iron will be the heat gained by the water. Let Tf be defined as the final…

Q: A 900 g copper rod at 20oC has a length of 1.0000 m. The thermal expansion coefficient of copper is…

A: A  copper rod at  has a length of . The thermal expansion coefficient of copper is , and its…

Q: A coffee cup calorimeter contains 48.00 grams of water at 25.0°C. Two additional samples of water…

A: When heat energy is supplied to or absorbed from an object, according to the energy conservation…

Q: You have 4.9 kg of water in an insulated container. You add 0.95 kg of ice at -21 °C to the water…

A:

Q: A 60.0-kg runner expends 342 W of power while running a marathon. Assuming 14.0% of the energy is…

A: in this question we determine volume of bodily fluid lost per hour.

Q: 5. A 760 g piece of copper is heated in a furnace to a temperature T. The copper is then inserted…

A:

Q: A 1.40 kg iron horseshoe initially at 610°C is dropped into a bucket containing 15.0 kg of water at…

A:

Q: Suppose you place 0.265 kg of 24.5°C water in a 0.45 kg aluminum pan with a temperature of 147.5°C,…

A: Heat gained by water, Q1 when reached its boiling point, Q1=mC∆T…

Q: It’s possible to boil water by adding hot rocks to it, a technique that has been used in many…

A: Here, the heat is Q=mc∆T=5.0kg4180J/kg100°C-10°C=1881000J

Q: In an insulated container, you combine hot metal with ice. The ice starts at -20 degree C. The…

A: Given : Temperature of ice, Ti = -20oC Temperature of copper, Tc = 900oC Mass of copper, m = 15 kg =…

Q: A 155-g aluminum cylinder is removed from a liquid nitrogenbath, where it has been cooled to -196…

A: Given:-             Aluminium cylinder mass mAl = 155 g…

Q: A simple solar energy heater is a glass-topped box containing rocks. Sunlight heats the rocks during…

A: Given:-  A simple solar energy heater is a glass-topped box containing rocks.  Sunlight heats the…

Calorimetry

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