The specific heat capacities of Cu, Fe, and Ag are 0.385 J/g°C, 0.449 J/g°C, and 0.235 J/g°C, respectively. If 10 g of each metal were heated with 1 kJ of electrical energy, which metal will have the highest temperature?

Q: When 25.0 g of zine absorbs 140 J of heat energy, what is the change in temperature of the metal?…

A: Given,  The change in temperature of a metal is: when 25.0 g of zinc absorbs 140 J of heat energy,…

Q: If the same amount of heat is applied to 10 grams of the following four materials, which will reach…

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Q: How many grams of water can be heated from 25.0 oC to 75oC using 12500.0 Joules?

A: Given, amount of heat =12500.0 Joulesinitial temperature =25 °Cfinal  temperature =75 °Cwe are asked…

Q: 1) What is the specific heat capacity of an unknown metal if 75.00 g of the metal absorbs 418.6J of…

A: For Part: Given:mass of unknown metal, m = 75gHeat absorb by unknown metal, ∆H= 418.6JIncrease in…

Q: Four metals measuring 1 g each were heated from 25°C to 200°C. Which metal will require the MOST…

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Q: kJ of heat were added? Specific heat 34 J/g°C. 1 calorie = 4.184 J %3D

A: Heat  (q) = 36.5 ×1000 = 36500 J Mass of water = 275 g Heat capacity (s) = 4.184 J/g-°c Heat (q) =…

Q: The specific heat of copper metal is 0.385 J·g -1·C -1 how many J of heat are necessary to raise the…

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Q: 3. When a 58.8 g piece of hot alloy is placed in 125 g of cold water (C = 4.184 J/g-°C) in a…

A: Given data,  Mass of hot alloy(ma) = 58.8 g  Mass of cold water (mw) = 125 g  The temperature change…

Q: Consider the following data: When metals A and B are placed in contact with each other, which of the…

A: Answer is Option (B)

Q: Calculate the mass of gold that absorbs 46.3 J of energy when heated from 25 to 74 oC. Specific…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 446.0 mg sample…

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Q: A 47.0-g sample of copper at 99.9 °C is dropped into a beaker containing 157 g of water at 19.0 °C.…

A: Heat gained or lost by any substance is calculated as: q = m.C.∆T where m is the mass of the…

Q: How much heat (J) must be added to a 50.0 g sample of zinc if the temperature increases from 20'C to…

A: q = mc∆T  q is the amount of heat energy  m is the mass of substance  c is the specific heat…

Q: Substance Specific Heat Capacity (in J/g x °C) Iron 0.449 Aluminum 0.897 Lead 0.129 4. Using the…

A: Given : Initial temperature of substance = 20 oC Final temperature of substance = 30 oC And equal…

Q: Most people find waterbeds uncomfortable unless the water (specific heat of 4.184 J/g °C)…

A: Volume = 622L Initial temperature = 85°F Final temperature = 61°F Specific heat of water = 4.184…

Q: A 47.0-g sample of copper at 99.8 °C is dropped into a beaker containing 147 g of water at 18.6 °C.…

A: Given: Mass of copper sample                       = 47.0 g Initial temperature of copper sample =…

Q: What is the specific heat of aluminum if the temperature of a 28.4 g sample of aluminum is increased…

A: The specific heat of a substance is defined as the amount of heat required to raise the temperature…

Q: 5.0 g of copper was heated from 20°C to 80°C. How much energy was used to heat the Cu? (Specific…

A: q = mc∆T  q is the amount of heat energy required  m is the mass of substance  c is the specific…

Q: A 625 g chunk of iron is removed from an oven and plunged into 525 g of water in an insulated…

A: The heat lost by iron = heat gained by water heat gained by water (q) = m x S x ΔT…

Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food.  When…

A: Mass of water = 200ml  Initial temperature = 25oC Specific Heat Capacity =  4.18 J/g.oC Heat = 669J…

Q: 2. The specific heat of tin is 0.222 J/g °C. The specific heat of lead is 0.126 J/g °C. Which metal…

A: Specific heat is defined by the amount of heat needed to raise the temperature of 1 gram of a…

Q: Which of the following would show the largest temperature change upon gaining 200 J of heat? (s is…

A: The heat is given as the following formula: Q=m×specific heat capacity×∆TQ=Heatm=mass of…

Q: If the specific heat of iron is 0.449 J g ° C , how much iron is in your sample if 925 J were…

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Q: A 192-gram piece of copper was heated to 100.0oC in a boiling water bath, and then it was dropped…

A: According to law of calorimetry heat absorbed  = heat released.  Copper has higher temperature so it…

Q: What is the mass of an iron piece that cools from 50.2 °C to 27.8°C while releasing 351.7 J of heat?…

A:

Q: How much heat does an aluminum block absorb if 10.00 grams are heated from 25.0oC to 50.0oC? the…

A: Mass of aluminium block = 10.00 g Specific heat of aluminium = 0.9025 J/g˚C Heat absorbed can be…

Q: When immersed in water, the temperature of a 102.1 gram sample of metal changes from 150.2 0C to…

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Q: A 15.0-mL sample of benzene at 21.0 °C was cooled to its melting point, 5.5 °C, and then frozen. How…

A: Calculate the mass of benzene from density,

Q: The specific heat capacity of copper metal is 0.385 J/g · K. How much energy is required to heat 205…

A: The energy required to heat a solid metal is given by  Q = mCΔT  where m = mass of metal  C =…

Q: 4. What speed must a 250.0 kg motorcycle be travelling at to have a kinetic energy of 2.8 x 10* J?

A: We nees to find the speed of motorcycle if, kinetic energy = 2.8×104 J and, mass = 250.0 kg

Q: Tin is widely used for plating steel cans used as food containers, in metals used for bearings, and…

A: Specific heat of a material is the amount of energy we must provide to increase it temperature by 1…

Q: With this information and the specific heat of water, 4.184 J/(g·°C), calculate the specific heat,…

A: Given,  The specific heat of gold metal,  when 38.600 g Au metal at 65.17 °C added to 60.00 g of…

Q: A beaker of hot water with a volume of 43.9 mL has an initial temperature of 94.3 °C. You place a…

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Q: The specific heat of copper is 0.0920 cal/g °C, and the specific heat of silver is 0.0562 cal/g °C.…

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Q: calculate the heat required to change the temperature of 15.0 g Fe from 18.5 celsius to 56 .8…

A: Heat required by compound is determined by the knowledge of its mass, its specific heat capacity and…

Q: A 25.0 g mold made of an alloy absorbed 250 J of heat as its temperature changed from 25 °C to 78…

A: Given information is as follows; Mass (m) of gold = 25.0 g      Heat absorbed (q) = + 250 J Initial…

Q: The initial temperature of a 415 g sample of iron is 10.6 °C. If the sample absorbs 2.64 kJ of…

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Q: An unknown solid metal at 150 degrees celsius was placed in 1.00 L of water at 25 degrees celsius.…

A: Heat absorbed or emitted by a substance = mass of the substance x specific heat of the substance x…

Q: How much heat is needed to raise the temperature of a 2.5 g piece of copper wire from 20. °C to 80.…

A: When the temperature rise of a 1 g of substance takes place by 1°C, some amount of heat is required…

Q: he freezing point of mercury is -38.8°C. What quantity of energy, in joules, is released to the…

A: The density of liquid mercury =13.6 g/cm3. The mass of mercury = 1.00 mL × 13.6 = 13.6 g Hg.

Q: A 15.0-mL sample of benzene at 20.7 °C was cooled to its melting point, 5.5 °C, and then frozen. How…

A:

Q: The freezing point of mercury is –38.8 °C. What quantity of energy, in joules, is released to the…

A: Specific heat capacity is the amount of heat energy that is required to raise the temperature of the…

Q: The specific heat of aluminum is 0.900 J/g°C. What is the heat capacity of 26 g aluminum?

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Q: If the same amount of heat is applied to 10 grams of the following four materials, which will reach…

A: The heat capacity of the substance can be given as -  Q = MC∆T  Where -  Q = heat absorbed or…

Q: A 92.9-g piece of a metal is heated to 178.0 ºC, and then cooled to 29.7 °C by removing 14052.6 J of…

A:

Q: The density of aluminum is 2.7 g/cm3 and its specific heat is 0.9 J/g.0. A piece of 9.7 cm3 aluminum…

A: Recall the following relation according to law of calorimetry          Q=mC×∆tHere Q is amount of…

Q: When 20.00 g of copper at 450.0 degrees C has 300.0 J of heat removed from it, what is the final…

A: Due to the liberation of heat temperature of copper decreases . As the heat is liberated we…

Q: A 15.0-mL sample of benzene at 21.3 °C was cooled to its melting point, 5.5 °C, and then frozen. How…

A: Given, density of benzene = 0.80 g/mL Volume of the solution = 15.0 mL  Mass of benzene = Density x…

Q: A 1.9 kgkg block of iron at 29 ∘C∘C is rapidly heated by a torch such that 17 kJkJ is transferred to…

A: The change in temperature of a substance is related to the heat supplied to that substance as…

Q: What will be the final temperature when a 25.0 g block of aluminum (initially at 25 °C) absorbs 10.0…

A: The amount of heat energy  is related to specific heat capacity as,…