A piece of metal and an equal mass of wood are both removed from a hot oven at equal temperatures and are dropped onto blocks of ice. The metal has a lower specific heat capacity than the wood. Which will melt more ice before cooling to 0°C?

Q: A rectangular window that is 1.20m wide and 1.8m high has a thickness of 6.2 mm and thermal…

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Q: A coffee-cup calorimeter contains 55.0 g of water at 25.90° C. If 4.21 g gold metal at 89.20° C is…

A: Given that  mw=55 g                    mg=4.21g                    Tw=25.90 o C…

Q: A 300g piece of iron at 200 deg Celcius is placed in a 100g aluminum cup containing 220g of liquid…

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Q: It is a hot summer day 50 degrees C. How much heat in calories is needed to freeze a puddle of water…

A: The heat energy is absorbed by the water molecules and begin to dissociate from one atom into…

Q: If 1600 calories of heat are added to 50 g of water initially at a temperature of 10 oC, what is the…

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Q: 22) A 4.0-kg aluminum block is originally at 10°C. If 160 kJ of heat is added to the block, what is…

A: solution:- given data , mass of block m = 4kg, initial temperature of  block,  Ti  = 10°C, when we…

Q: A calorimeter made of copper (c=0.0923 cal/g-C°) of mass 300 g contains 450 grams of water. The…

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Q: If the specific heat capacity of the ice is 0.5 cal/g oC, how much heat would have to be added to…

A: First the temperature of ice -10°C is raised to 0°C then ice is melted to water at the same…

Q: How much heat is required to melt 30kg of ice at 0 °C to water at 10 °C? The latent heat of ice to…

A: Here, the ice is at the melting point. First ice will completely converted into water at the melting…

Q: A 4 g sample of aluminum and a 4 g sample of copper are both at a temperature of 25°C. Aluminum has…

A: This problem is based on the Joules's law.   Write the expression of heat. Q=mcTf-Ti

Q: A 300g piece of iron at 200 deg Celcius is placed in a 100g aluminum cup containing 220g of liquid…

A: Given Data, Mass of the iron (mi)=300g Temperature of the iron=200 deg Celsius Final temperature=49…

Q: if 50 g of aluminum shot (c = 0.22) is heated to 100°C and dropped into 200 g of water at 20°C, the…

A: Given: The mass of the aluminum is 50 g. The initial temperature of the aluminum is 100oC. The…

Q: Specific heat of a substance is the amount of heat required to change the _____ of 1 kg of this…

A: Specific heat of a substance is the amount of heat required to change the _____ of 1 kg of this…

Q: The heat of fusion of ice/water is 3.35x105 J/kg. How much energy is required to melt 50 grams (0.05…

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Q: If the specific heat capacity of the ice is 0.5 cal/g Celsius, how much heat would have to be added…

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Q: A scientist is trying to determine the specific heat of 15.0 g of an unknown substance. He heats up…

A: Given: Mass of unknown substance = 15 g Temperature before placing it into water = 100 °C Mass of…

Q: If 40 kcal of heat is added to 2.0 kg of water, what is the resulting temperature change?…

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Q: An aluminum calorimeter of mass 50 g contains 200 g of ice and 500 g of water at 0℃. If 60 g of…

A: Let T be the equilibrium temp. of the system. Let E1 be the heat left by the steam to reach temp. T.…

Q: A 250 grams piece of tin at 99 0C is dropped in 100 grams of water at 10 0C. If the final…

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Q: A 0.250-kg aluminum bowl holding 0.800 kg of soup at 25.0 °C is placed in a freezer. What is the…

A: The amount of heat lost to cool the soup from 25°C to 0°C is…

Q: If 2.0 kg of water at 0°C is to be vaporized, how much heat must be added? 1080 kcal 1080 cal 1280…

A: Given:- mass=2 kg= 2000g Initial temperature=0 degree The heat required to convert water is at 100…

Q: An electric kettle supplies 20,000j of energy to beat 0.5kg of water. What is the temperature…

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Q: On a winter day the temperature drops from - 5 degrees * C to - 25 degrees * C overnight . If a pan…

A: The amount of heat required to change the temperature is Q=mcΔT

Q: 22) A 4.0-kg aluminum block is originally at 10°C. If 160 kJ of heat is added to the block, what is…

A: Write the given values with the suitable variables. m=4 kgT1=10 °C=283 KQ=160 kJ=160×103 JC=910…

Q: If 150 g of ice at 0°C is added to 200 g of water in a 100-g aluminum cup at 30°C, what is the…

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Q: When a driver brakes an automobile, the friction between the brake drums and the brake shoes…

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Q: A copper vessel whose mass is 150 g contains 60 g of water at 15.50C. How many calories of heat are…

A: Given data: Mass of copper vessel, mcu=150(g), mass of water, mw = 60 (g), initial temperature ,Ti =…

Q: A hot object in a cool room will lose heat by which of the following modes of heat transfer?…

A: Conduction is mode of tranfer of heat without any actual displacement of medium particle Convention…

Q: A 0.1-kg aluminum sphere is dropped from the roof of a 55m tall building. If 65% of the thermal…

A: The total energy possessed by the aluminum sphere when it is at a height h is equal to the potential…

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: Two blocks of metal are in contact with one another. The first block has mass 4.4 kg and specific…

A: Here, T1 is the initial temperature of the first block.

Q: A 100 g glass container contains 250 g of water at 15.0 °C. A 70 g piece of unknown material at 100…

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Q: What is the final temperature of a 3.4 kg iron at 45°C, if 5000 calories of heat was released, if…

A: Given data:  Mass (m) = 3.4 kg = 3400 g Initial Temperature (T0) = 45°C Change in heat energy (ΔQ) =…

Q: A 90g ice cube at 0 degrees celcius is placed in 670g of water at 28 degrees celcius, what is the…

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Q: What is the final temperature of a 3.4 kg iron at 45°C, if 5000 calories of heat was released, if…

A: Given value--- mass = 3.4 kg. initial temperature = 45 degree C.  Q = 5000 cal. specific heat of…

Q: A copper calorimeter whose mass is 250 g contains 700 g of water at 250C. When 25 g of a certain…

A: Given data:      Mass, Mcu = 250 g       Mass, Mw = 700 g  @ 25°C       Mass, Mmetal = 25 g @ 98°C…

Q: While running, you need to transfer 300 J/s of thermal energy from your body to the moisture on your…

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Q: How much heat is required to raise the temperature of 4 gal of water from 60 degrees Fahrenheit to…

A: Given in question -  Mass of water = 4 gal                                   Initial…

Q: The fact that desert sand is very hot in the day and very cold at night is evidence that sand has…

A: the desert sand is very hot in day and very cold at night.

Q: 1.) 100.0 ml of 4°C water is heated until it reaches 37 C. Assume that the density of liquid water…

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Q: How much heat must be removed from 400 pounds of blanched vegetables at 195 degrees F to freeze them…

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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.