A molten metal of mass 150 g is kept at its meltingpoint 800°C. When it is allowed to freeze at the sametemperature, it gives out 75000 J of heat energy.(a)What is the specific latent heat of the metal?(b) If the specific heat capacity of metal is 200 J kg-¹ K-1, how much additional heat energy will the metal giveout in cooling to -50°C?

Given; Mass of metal,m= 150 gheat energy,Q= 75000 JMelting point temperature,t= 8000C a. What is the…

Answered: If the specific heat capacity of metal…

Science

Physics

If the specific heat capacity of metal is 200 J kg-¹ K™

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter5: Temperature And Heat

Section: Chapter Questions

Problem 24E: If the gas in Exercise 23 is initially at room temperature (20C) and is heated in an isobaric...

See similar textbooks

Related questions

Q: A body at 583.37 K undergoes a reversible isothermal process. The heat energy removed in the process…

Q: Compute the resistance value Voltage=22 Volt Current 6.66 A

A: Given Voltage , V = 22 volt Current , I = 6.66 A To find Resistance value

Q: 3. A cylindrical water tank of radius 10 feet and height 30 feet is half filled with water. How much…

A: Wrok done can be by the formula W=∫F.dx Where F is the force and dx is the displacement.

Q: An object has a mass of 570 g and a volume of 2280 cm³. Calculate its density.

A: Given data: Mass (m) = 570 g Volume (V) = 2280 cm3 Required: Density (ρ)

Q: 2. (Young, et al., Sears and Zemansky's University Physics: with Modern Physics 13th Ed) The blood…

Q: A force acts on a 2 kg mass and gives it an acceleration of 3 m/s². A. What is the magnitude of the…

A: Given data : Mass is denoted by m Acceleration is denoted by a Required : Magnitude of force

Q: A simple electric circuit has a 28 V battery and a resistor of 6 ohms. What will be the current in…

A: Given Data potential difference, V = 28 Volts resistance, R = 6 ohms since the resistor is a linear…

Q: Provided it Dasa: Mormontum of car = 1800kgim/s Velocity of car = 15m/s Find the mass of a car ?

A: Momentum, P = 1800 kg.m/s Velocity, v = 15 m/s Mass, m = ?

Q: 3(a) A U-tube manometer shown in Figure at equilibrium. One of the liquid is wa the right arm. The…

A: Givenρw=996 kg/m3L=45 mm=45×10-3 md=20 mm=20×10-3 m

Q: Find the magnitude of pressure in Pascal of a force of 150N that acts normally on an area of 0.25…

A: The magnitude of the force, F=150 N The area on which the force is acting, A=0.25 m2 Pressure is the…

Q: Provided it Data: Mormontum of car = 1800 kgim/s Velocity of cas = 15m/s Find the mass of a car ?

A: Given data: Momentum (P) = 1800 kg.m/s Velocity (v) = 15 m/s Required: Mass (m)

Q: A bird of (1.6 kg) flies with (5 m/s), calculate its energy.

A: Given Mass (m) = 1.6 kg speed (v) = 5 m/s Energy of in the form kinetic energy of the flying…

Q: How much work is required to throw a ball with a mass of 0.23 kg 30.0 m/s? Assume the ball starts…

A: The work that is required to throw a ball is 103.5 J

Q: A piece of steel having mass 5 kg, heat capacity of 945 J/K. Calculate; a. specific heat capacity b.…

Q: A squirrel is trying to locate some nuts he buried for the winter. He moves 5.10 m to the right of a…

Q: Find the force applied Pressure=111 N/m2 Area 30 m2

A: Pressure, P= 111 N/m2Area, A= 30 m2

Q: A force of 49 N raises a 5 kg object 0.82 m upwards. How much work was done by the force?

Q: In diode reverse biasing the potential barrier and depletion region will increase. True O False

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

Q: * TWO friends at rest decide to start att pushing off against each other on an ficy smooth surface…

Q: 3 moles of an ideal gas undergoes an isothermal expansion at constant temperature T = 290 K, its…

Q: Explain if True or False * R Sinusoidal Waveform O True O False Dz1 Dzz +Vz OV -Vz M Output Waveform

A: Zener diode will operated in wide range of voltage and also given as a reference voltage. It will…

Q: Which of the following is a motion diagram between t = 5.00 s and t = 9.00 s? a. options in…

A: Since the velocity versus time graph is a straight line between t =5 and t =9

Q: The figure is a bird's eye view of a horizontal disc, which can rotate about a vertical xis through…

A: angular displacement = θ= 4 rad initial angular velocity = W0= 0 final angular velocity = W = 90…

Q: In a fiber-optic link, most of the distortions are generated by the LASER photodiode. True False

A: Distortion It is denoted that the something which is deviated from their original value.

Q: Using a rope that will snap if the tension in it exceeds 387 N, you need to lower a bundle of old…

Q: The figure below shows an arrangement of 15 identical disks that have been glued together in a…

Q: Find the density of object Mass=22 kg Volume=0.003 m3

A: Given Find the density of object Mass, M = 22 kg Volume, V = 0.003 m3

Q: in a living room a person has a temperature of 35C .If the room. temperature is 30C what is the body…

Q: A mass of 50 g of a certain metal at 150° C is immersed in 100 g of water at 11° C. The final…

Q: An insulated calorimeter of mass 120g and of specific heat capacity of 0.22 cal/(g.C), contains 150g…

Q: The function of zener diode is to provide a constant output voltage to a load. this process is…

A: The function of Zenor diode is to be provided a constant output voltage to a load, this process is…

Q: Find the value of force applied if work done is 480 J and displacement is 30 m

Q: specific heat capacity

A: Given data; A piece of steel having; mass,m= 3 kg heat capacity=844 J/KCalculate, 1. specific…

Q: An electron is moving at 3 x 105 m/s in the positive x direction. A magnetic field of 0.8 T is in…

A: Given data: Velocity of electron is 3×105 m/s in the positive x direction. ⇒V=3×105 i^ Magnetic…

Q: The blades of the portable fan generate a 1.8-lb thrust T as shown. Compute the moment Mo of this…

Q: 1. Find the amplitude, frequency and time period of an object oscillating at the end of a spring,…

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

Q: Compute the resistance value Voltage=22 Volt Current 6.66 A

A: Given data : Current=i Voltage=V To find : Resistance

Q: Given data: Focal length = 30 cm Find Radius of curvature ?

A: Write the expression for the radius of curvature. Here, f is the focal length.

Q: Compute the resistance value Voltage=22 Volt Current 6.66 A

Q: If a P.D. of 12 V is applied across a 30 resistor then the current passing through it is (a) 36 A…

A: Introduction : In this question we are provided with value of voltage and resistance . With these…

Q: A turning fork makes 284 vibrations per sound. Calculate the wavelength of the tone at 25 degrees°C

Q: Find the work done is displacing crate upto 2.77 m by force of 12.51 N

A: Given data : Force is denoted by F Displacement is denoted by d Required : Work done

Q: A ball is thrown horizontally from the roof of a building 7.5 m tall and lands 9.2 m from the base.…

A: Given: The height of the building is 7.5 m. The horizontal distance traveled by the object is 9.2 m.

Q: A boll rounds a 29 m radius curve at 2 m/s. The magnitude of it's acceleration in m/s².

A: Introduction : In this question we are provided with value of radius and speed . with these data…

Q: can u pls get the 3 decimal places in final answer of A and B pls thank u

A: We have to re-perform the calculations. Answers should rounded off upto 3 decimal places.

Q: Question 1: A square wave, like the one in Figure 1, is applied across an RC circuit. If you monitor…

A: When a square wave input is given or feed to RC circuit, it produces a waveform very different from…

Q: the greater the stored change of * the membrane the longer it takes to polarize that is to say the…

A: The refractory period is primarily due to the inactivation of voltage-gated sodium channels, which…

Q: An electric iron of resistance 4 ohms takes a current of 2 A. Calculate the heat developed in 12…

A: Introduction : In this question we are provided with value of current , time and resistance . with…

Q: Using local g = 9.807 m/s^2, and that its variation is -0.003 ft/s^2 per 1000 ft ascent. Find the…

A: Gravitational force produces acceleration and hence change in the attributes of motion. This…

Q: Calculate the momentum of a bullet of 25 g t is fired from a gum with a velocity of 100m/s.

Question

A molten metal of mass 150 g is kept at its melting
point 800°C. When it is allowed to freeze at the same
temperature, it gives out 75000 J of heat energy.
(a)What is the specific latent heat of the metal?
(b) If the specific heat capacity of metal is 200 J kg-¹ K-
1, how much additional heat energy will the metal give
out in cooling to -50°C?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

For the human body, what is the rate of heat transfer by conduction through the body's tissue with the following conditions: the tissue thickness is 3.00 cm, the difference in temperature is 2.00 , and the skin area is 1.50 m2. How does this compare with the average heat transfer rate to the body resulting from an energy intake of about 2400 kcal per day? (No exercise is included.)
If the gas in Exercise 23 is initially at room temperature (20C) and is heated in an isobaric (constant-pressure) process, then what will be the temperature of the gas in degrees Celsius when it has expanded to a volume of 0.700 m3?
One of a dilute diatomic gas occupying a volume of 10.00 L expands against a constant pressure of 2.000 atm when it is slowly heated. If the temperature of the gas rises by 10.00 K and 400.0 J of heat are added in the process, what is its final volume?
When an air bubble rises from the bottom to the top of a freshwater lake, its volume increases by 80%. If the temperatures at the bottom and the top of the lake are 4.0 and 10 , respectively, how deep is the lake? `
On a cold winter day when the temperature is -20.0 ∘C, what is the amount of heat needed to warm to internal body temperature (37.0∘C) the 0.550 L of air exchanged with each breath? Assume that the specific heat capacity of air is 1020 J/(kg⋅K) and that 1.0 L of air has a mass of 1.3 g. Express your answer in joules. How much heat is lost per hour if the respiration rate is 19.0 breaths per minute?
At a foundry, 22 kg of molten aluminum witha temperature of 660.4◦C is poured into amold.If this is carried out in a room containing150 kg of air at 25◦C, what is the temperatureof the air after the aluminum is completelysolidified? Assume that the specific heat capacity of air is 1.0×10^3J/kg ·◦C. The specificheat of aluminum is 899 J/kg ·◦ C and its latent heat of fusion is 3.97 × 10^5J/kg.Answer in units of ◦C
On a hot dry day, evaporation from a lake has just enough heat transfer to balance the 1.00 kW/m2 of incoming heat from the Sun. How many kg of water evaporate in 1.25h from each squre meter of the lake, You assume the latent heat of vaporization for water here is Lv= 2414kJ/kg m?
On a cold winter day when the temperature is -20.0 ∘C, what is the amount of heat needed to warm to internal body temperature (37.0 ∘C) the 0.550 L of air exchanged with each breath? Assume that the specific heat capacity of air is 1020 J/(kg⋅K) and that 1.0 L of air has a mass of 1.3 g. Express answer in joules.
An ice cube of mass 500 g and at 0 degrees * C is dropped into a cup containing 1kg of water at 70 degrees * C . (The latent heat of fusion of water is 80 cal/g and the specific heat capacity of water is 1 1.0 cal/s C^ 0 , ) Assuming the cup does not exchange any heat with the outside, what is final temperature?
A body whose surface area is 0.2 m2, emissivity is 0.8, and temperature is 100°C is placed in a large, evacuated chamber whose walls are at 25°C. What is the rate at which radiation is emitted by the surface, in W? What is the net rate at which radiation is exchanged between the surface and the chamber walls, in W?
Water enters a 2.5-cm-internal-diameter thin copper tube of a heat exchanger at 15°C at a rate of 0.3 kg/s, and is heated by steam condensing outside at 120°C. If the average heat transfer coefficient is 800 W/m2·°C, determine the length of the tube required in order to heat the water to 115°C
One way to keep the contents of a garage from becoming too cold on a night when a severe subfreezing temperature is forecast is to put a tub of water in the garage. If the mass of the water is 122 kg and its initial temperature is 24.2°C, how much energy must the water transfer to its surroundings in order to freeze completely? The specific heat of water is 4186 J/kg·K, and the latent heat of fusion is 333 kJ/kg.