Why do you cook with metal pots and pans? -Metals are shiny in the shining this reflects light causing it to heat up faster -Metal is a poor conductor of heat -Metal has a low heat capacity, which allows it to heat up faster and transfer the heat to the contents of the pot or pan

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

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Q: Which sample will reach the lowest final temperature when all samples evolve 12.5 J of heat and all…

A: Since, Q =m.c.St WHERE Q = heat energy M =mass of metal C= specific heat of metal Triangle T =…

Q: Ignition wires heat Thermometer Stirrer A bomb calorimeter, or constant volume calorimeter, is a…

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Q: almonia, water, iron and gold which has highest specific heat capacity ?

A: Given information,           Ammonia          Water           Iron           Gold

Q: A  55.2 g piece of metal has a temperature of 90.4 °C before being placed into 102.5 g of water at…

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Q: The specific heat of a substance is the amount of heat required to raise the temperature of one gram…

A: Given --> Q = 357 J  S = 0.362 J/g°C T1 = 24.1°C T2 = 80.6°C

Q: The mixture of gas and air inside a cylinder reacts, releasing 400kJ total energy. If the system…

A: Given:   The total energy is 400 kJ. The work done by system is 250 kJ.

Q: piece of metal with a mass of 20.8 g is heated to 99.5°C and then dropped into an ideal "no-leak"…

A: Given that:  Mass of metal(m) = 20.8g  Initial temperature of metal(T1) = 99.5°C Mass of water(m) =…

Q: 1. Melted methane was ignited and used to heat water in a thin metal container. After a short period…

A: Enthalpy of combustion is defined as the amount of heat released by burning of one mole of compound.

Q: C(s) + 2H,0(g) CO2(g) + 2H2(g) AH = ? 1) CO2(g) – C(s) + O2(g) AH = 393.5 KJ 2) 2H20(g) – 2H2(g) +…

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Q: If in a chemical reaction, thermal energy from the surroundings is converted to potential energy in…

A: In this, thermal energy of surrounding is converted to potential energy in chemical bonds.  We can…

Q: MUST SHOW ALL WORK AND UNITS 1. The temperature of a 98.7 g piece of metal increases from 17.0 °C to…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: An unknown metal with a specific heat of 0.385j has an initial temperature of 65.4 C. the metal is…

A: The heat absorbed or released by the Substance related with each other by following formula -   M1…

Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 9…

A: Given data : Temperature (T) = Constant Pressure (P) = 9 atm Volume(V) = 7.0 L to 17 LConsatnt…

Q: If two objects, A and B, of different temperature come into direct contact, what is the relationship…

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Q: 6. How much work is needed in a system to expand from 25 to 50 L against a pressure of 7 atm? Is…

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

Q: heat sample A bomb calorimeter, or constant volume calorimeter, is a device often used to determine…

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Q: What is the procedure for heating the metal sample to an exact but measured temperature?

A: Thermometer is a device that measures temperature or a temperature gradient. Thermocouples are also…

Q: A 65.4 g piece of metal that had been submerged in boiling water (100 °C) was quickly transferred…

A: Mass of water, m = 93.0 mL x 1gmL= 93.0 g  Specific heat of water, s = 4.184 J/g °C Change in…

Q: You place a piece of unknown metal in the oven and heat it to 185°C.  You then place the metal into…

A: Given: Mass of metal = 346 g. Volume of water = 250 mL. Initial temperature of water = 24.1 oC Final…

Q: .  A 70.0-g piece of metal at 80.0 °C is placed in 100 g of water at 22.0 °C contained in a…

A: When a hot metal is placed in cold water, water gains heat energy and metal loses heat energy.

Q: An ideal gas ina cylinder fitted with a piston expands at constant temperature from a pressure of 6…

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Q: A metal X has a a mass of 10.0g and it was heated up to 120.0°C, it was then submerged in water that…

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Q: A 440.0 g quantity of a certain metal is heated to 100.0 C. It is immediately placed into 258 g of…

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Q: An ideal gas ina cylinder fitted with a piston expands at constant temperature from a pressure of 7…

A: When a gas expands the work will be done by the gas on the surrounding. When the work is done by the…

Q: Specific Heat Capacity A 24.5-g sample of an unknown metal is heated to 97.5°C and is placed in a…

A: Given that: Mass of metal = 24.5 g  Initial temperature of metal = 97.5°C Mass of water = 164 g…

Q: A metal object with mass of 24.9 g is heated to 97.0 ∘C and then transferred to an insulated…

A: Heat = mass of substance X specific heat X temperature change

Q: 7. 200g of copper is placed in an oven. The hot metal is removed from the oven and quickly added to…

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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: 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: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 5…

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Q: A piston compresses the air in the cylinder by doing 71.0  J of work on the air. As a result, the…

A: Given:- The work done in compressing the air in the cylinder  ΔW=71 J The amount of energy released…

Q: Substance Z has a specific heat capacity of 0.458 J/g°C Substance Y has a specific heat capacity of…

A: The answer to the following question is given as:

Q: Because water has such a high specific heat capacity, it heats and cools more slowly than land. How…

A: Given that,

Q: reach

A: Heat(Q) = mass • specific heat capacity • ∆T  Mass = 91.2g  Specific heat capacity of water =…

Q: 4. The specific heat of water is quite high at 4.184 J/gC. Explain how life on this planet would be…

A: The amount of heat required to increase the temperature of the 1 g of the substance by 1 degree is…

Q: 3) 340. grams of water at 20.0 °C is mixed with an unknown mass of nickel at 500.0°C. When thermal…

A: Mass of water = 340 g Mass of Nickel = M Initial temperature of water = 20 ◦C Initial temperature of…

Q: A 45.90 g sample of pure copper is heated in a test tube to 99.40°C. The copper sample is then…

A: The amount of heat transferred in a thermodynamic system is calculated as follows,…

Q: . A car performs 6000 joules of work on its surroundings and releases 8000 joules of heat. How much…

A: (1) According to first law of thermodynamics, internal energy change, work and heat related with…

Q: A coffee cup calorimeter contains 156.56 g of water at 22.50 °C. A 66.065 g piece of iron is heated…

A: we have to calculate  qiron qwater  ccalorimeter  Tfinal when heat lost by iron is equal to heat…