Explain why it takes longer to cook a large cheese pizza (400g) than it does to cook a small cheese pizza (150g). Justify your answer with information on the relationship between the mass and thermal energy needed to change the temperature of an object

Q: A chunk of aircraft aluminum with a mass of 0.975 g, initially at a temperature of 177 ºC, is placed…

A: Given: Specific heat of water = 4.18 J/g. oC Specific heat of aluminium = 0.903 J/g. oC Mass of…

Q: A 837 g copper pan is removed from the stove at a temperature of 150 °C. It is then stacked on top…

A: At thermal equilibrium, the amount of heat released by the copper pan (QCu) is equal to the amount…

Q: A 48.4-g sample of an unknown metal at 100.0 °C is placed in a constant-pressure calorimeter…

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Q: Describe the method that engineers use to estimate monthly andannual energy consumption to heat…

A: The method which engineers use to estimate monthly and annual energy consumption to heat buildings…

Q: a. Calculate the energy, in kJ, needed to raise the temperature of a 850 gram block of aluminum from…

A: Since,    Q=m c ∆T                           where ,…

Q: The heat capacity of a sample should be divided by which quantity to find the specific heat…

A: When Heat capacity is divided by mass in grams we get specific heat capacity.

Q: A 43.8 g sample of copper at 99.8 °C is carefully placed into an insulated container containing 196…

A: Let the final temperature of the mixture be T. The amount of heat lost by the sample of copper is…

Q: Consider the following specific heats of metals. Metal Specific Heat сopper 0.385 J/(g•°C) magnesium…

A: Heat capacity is amount of heat required to raise the temperature of substance by one degree…

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A: We know that,  Q = mc∆T  Where, Q = heat  m = mass  C = specific heat  ∆T = Change in temperature =…

Q: Aluminium is a silvery-white light-weight metal that is soft and malleable. A 215.0 g piece of…

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Q: A 31.55 g iron rod, initially at 22.7 °C, is submerged into an unknown mass of water at 63.2 °C, in…

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Q: An unknown metal object is at 161C and placed into 3500 mL of cold water. If the metal object has a…

A: Given : Volume of water = 3500 mL Mass of metal = 2700 g Final temperature of metal = 35 oC Initial…

Q: A system releases 115 kJ of heat while  104 kJ of work is done on the system. Calculate the change…

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Q: Two substances, A and B, of equal mass but at different temperatures come into thermal contact. The…

A: Heat is mode of transfer of energy between two substances. When two substances are at different…

Q: Why heat capacity is so important in our everyday life? please give an examples.

A: Heat capacity is the amount of heat required in Joules by one gram of substance to raise its…

Q: A student is attempting to determine the heat capacity of a Styrofoam cup calorimeter by pouring hot…

A: Given: Mass of cold water = 22.11 g Mass of hot water = 24.49 g Initial temperature of hot water =…

Q: Consider the following specific heats of metals.Metal      Specific Heatcopper      0.385…

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Q: Two substances, A and B, initially at different temperatures, come into contact and reach thermal…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: Two substances at different temperatures are brought together and allowed to reach thermal…

A: Given that :  mass of substance B = 2 ( mass of substance A)  Specific heat capacity of A = 4 (…

Q: A 2.85-g lead weight, initially at 10.3 °C, is submerged in 7.55 g of water at 52.3 °C in an…

A: qpb =-qwmpb(∆T)pb(Cpb) =-mw(∆T)w(Cw))mpb(Tf -TIpb)(Cpb)…

Q: A 34.8 g sample of copper at 99.8 °C is carefully placed into an insulated container containing 197…

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Q: A 49.8 g sample of copper at 99.8 °C is carefully placed into an insulated container containing 173…

A: Given: Mass of metal, mm=49.8 g Temperature change, ∆T=(99.8-T)°C Specific heat, Cm=0.385 J g-1 °C-1…

Q: A gas in a closed container is heated  causing the lid container to rise. The gas performs 3J of…

A: According to the first law of thermodynamics. ∆E = q - w   ......(1) The change in energy (ΔE)…

Q: A piece of aluminum with a mass of 4.39 grams is heated to raise its temperature from 21.7°C to…

A: a) Since specific heat capacity of Al is 0.9 J/g.°C Since quantity of heat absorbed is given by  Q =…

Q: Calculate ΔE for the combustion of a gas that releases 471.8 kJ of heat to its surroundings and does…

A: Given: Heat = 471.8 kJ Work = 97.2 kJ

Q: A piece of unknown metal with a mass of 18.01 g is heated in boiling water to 98.9°C and then…

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Q: Enter your answer in the provided box. One piece of copper jewelry at 125°C has exactly twice the…

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Q: .A chunk of nickel weighing 18.5 grams and originally at 97.36°C is dropped into an insulated cup…

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Q: The internal energy of a system will ALWAYS increase when _______. Select one: a. the system gains…

A: To identify: A condition in which the internal energy of a system will always increase.

Q: 5.037g piece of iron is heated to 100°c and placed in a coffee cup calorimeter that initially…

A: As we know, Heat(q) = ms.□T where, m = mass of substance   s = specific heat capacity  □T =…

Q: Two baking sheets are made of different metals. You purchase both and bake a dozen cookies on each…

A: (a) Specific heat capacity of a metal is the amount of heat required to raise the temperature of 1 g…

Q: A piece of titanium metal with a mass of 20.8 g is heated boiling water to 99.5°C and then dropped…

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Q: A 991 g copper pan is removed from the stove at a temperature of 150 °C. It is then stacked on top…

A: Given: Mass of copper pan = 991 g Mass of aluminium sheet = 799 g Specific heat of copper = 0.387…

Q: A 17.1 g piece of silver was heated to 98.8 °C in boiling water and then dropped into a beaker…

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Q: Part A Two substances, A and B, initially at different temperatures, come into contact and reach…

A: Given : mass of substance A =6.29 g.                                 Mass of substance B = 25.9 g.…

Q: 55.69 kJ of work are done by the system, which produces 80.17 kJ of heat. Determine the overall…

A: Work done = 55.69 KJ  Heat = 80.17 KJ Overall change in  internal energy = ?

Q: Find the change in internal energy when a gas absorbs 28 kJ of heat and has 13 kJ of work done on…

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Q: A 837837 g copper pan is removed from the stove at a temperature of 150 °C. It is then stacked on…

A: Answer Final temperature         = 193.52 K (or) -79.63 °C Formula…

Q: An 18.89 g sample of neon gas in a container with a movable wall is initially at a temperature of…

A: GIVEN: Mass of Neon gas = 18.89 g Initial Temperature (T1)= 320 K Final Temperature (T2)= 405 K…

Q: of a temperature of 00 and a mass of 18 g in a beaker containing 150 g of water at a temperature of…

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Q: Calculate the amount of heat released from combustion of 1g of wood. The heat capacity of the bomb…

A: Heat released in combustion is the driving force of a fire, the larger the heat released by a…

Q: During a certain chemical reaction 255 J of heat is absorbed by the system and 275 J of work is done…

A: To Solve this problem we will use the first law of thermodynamics .

Q: A 995 g copper pan is removed from the stove at a temperature of 150 °C. It is then stacked on top…

A: The heat lost by the copper is equal to the heat gained by the aluminum. -mcopper Cvcopper ∆T =…

Q: Metal A has a heat capacity of 0.450 J/g°C while metal B has a heat capacity of 1.250 J/g° C. If…

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Q: What is the ratio of the net work done by the system during the cycle and the heat absorbed from a…

A: Second Law of thermodynamics :  It is impossible for a system operating in a cycle connected to a…

Q: A substance receives 1 kJ of pressure-volume work and produces 2 kJ of heat at constant pressure.…

A: Given, a substance receives ---- 1kJ of pressure-volume work. Heat produced by the substance at…

Q: Calculate the specific heat capacity of an unknown metal if 30 grams of the unknown metal at 24.5°C…

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Q: A student is attempting to determine the heat capacity of a Styrofoam cup calorimeter by pouring hot…

A: Given: Cold Water : Mass = 21.2455 g                       Initial Temperature = 20.36oC…

Q: A 10.0 g sample of iron at 25.0 °C was placed in a hot water bath that was at 90.0 °C. The system…

A: This question is completely formula based problem, because if we observe this question carefully, we…