A small piece of metal is heated and placed in a foam cup calorimeter containing 50.0 mL of water at 22.0°C. The water reaches a maximum temperature of 24.5°C. How many joules of heat were released by the piece of metal?

Q: A sample of metal weighing 9.323 g was heated to 99.15 °C. It was then placed in a calorimeter…

A: Given data, The mass of water = 35.5 g The mass of metal = 9.323 g The initial temperature of  H2O =…

Q: In the laboratory a student finds that it takes 75.4 Joules to increase the temperature of 13.3…

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

Q: 519.21 g of a cold water bath is at 26.55 ^\circ∘C. A sample of a hot metal is placed into the water…

A: Mass of water = M = 519.21 g  Initial temperature of water Ti = 26.55 °C  Final temperature of water…

Q: What is the final temperature of a piece of gold that had 26 Joules of heat applied to it? The mass…

A: Q = heat applied = 26 J m = mass of gold = 20 g Initial temperature = Ti = 25°C C =  specific heat…

Q: If Water has a specific heat of 4.184 J/g°C. How much heat is required to increase 10.0 g of water…

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

A: Given: work done ( w) = - 3 J Internal energy change ( ∆U ) = + 15 J Heat absorbed ( q ) = ? By…

Q: A substance increases in temperature by 255°C when a 983g sample of it absorbs 83,200J of heat.…

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Q: solid, or to measure the energy of a solution phase reaction. A student heats 65.30 grams of gold to…

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Q: Calculate the joules of heat required to raise the temperature of 34 g copper bowl from 20 oC to 45…

A: The mass of copper is = 34 g The increase in the temperature is = 45oC-20oC = 25oC The heat…

Q: What mass of methane must be burned to release 185 kJ of heat?

A: Given , CH4(g) +2O2(g) →CO2(g) +2H2O(g)      ∆Hrxn=-890 kJmol

Q: If the same amount of heat were added to individual 1.0 g sample of water, methanol, and aluminum,…

A: NOTE: It will be the greatest temperature change in the question and not the energy change because…

Q: A 4.81 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Specific heat: It is defined as the amount of heat required to raise the temperature of the…

Q: How much energy is required to heat 120.0 grams of water from 2.0oC to 24.0oC? The specific heat of…

A: Given: mass of water, m=120.0 ginitial temperature of water, T1 = 2.0∘CFinal  temperature of water,…

Q: How many kilojoules (kJ) of heat are needed to raise the temperature of a 50.0 g piece of silver…

A: Given, The amount of heat in KJ, are needed to raise the temperature of a 50.0 g piece of silver…

Q: A student places a block of hot metal into a coffee cup calorimeter containing 151.0 g of water. The…

A: Given data,Mass of water=151.0gInitial temperature of water=23.3oCFinal temperature of…

Q: 100 g of water at 86 °C is mixed with 200 g of water at 20 °C. What is the final temperature of the…

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Q: A 50 gram piece of unknown material absorbs 1400 J of energy from a fire and increases in…

A: After absorbing the heat from any source the temperature of the element increases . This depends on…

Q: 13.0 and 54.0 °C, respectively, were mixed inside a cup calorimeter. If the temperature of water…

A: The heat capacity of the calorimeter is 58.1J/oC

Q: A metal object with the mass of 24.1 g is heated to 97.0 *C and then transferred to an insulated…

A: Given: Specific heat of water = 4.18 J/g. oC Mass of metal = 24.1 g Mass of water = 86.9 g. Initial…

Q: Quantity Mass of can (g) 12.695 mass of can and water (g) 125.129 Initial mass of food sample (g)…

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Q: A metal object with a mass of 19 g is heated to 96°C and is transferred to a calorimeter containing…

A: Given data: The mass of metal = 19 g. The temperature of the metal =  96°C. The mass of water = 75…

Q: When carbon disulfide,CS2, forms from its elements, heat is absorbed. How much heat would be…

A: Applying concept of mole relationship with heat of reaction.

Q: Aluminum has a specific heat of 0.902 J/goC. How much heat is gained when a piece of aluminum with a…

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Q: You are holding 2 different substances in your hands. In your left hand, substance A begins to melt…

A: Given  A melts after 3 minutes of holding B melts after 5 minutes of holding.

Q: How much would the temperature of a 61.9 gram sample of grain alcohol increase if it absorbs 305…

A: Given the mass of alcohol is 6.19 grams heat energy Q=305 Joules Suppose the alcohol is ethanol ( As…

Q: 1. The temperature of the cooling water as it leaves the hot engine of an automobile is 240 °F.…

A: The amount which is transferred by a given system can be calculated using the following mathematical…

Q: If 4.168 kJ of heat is added to a calorimeter containing 75.40 g of water, the temperature of the…

A: Given,  Amount of heat added to a calorimeter = 4.168 KJ  Mass of water = 75.40 g  Initial…

Q: Zinc is primarily used to galvanize steel, a process that protects the metal against unwanted…

A: The heat required for a substance 'q' to alter the temperature ∆T is given by the equation, q=m×C×∆T…

Q: Knowing that liquid water has a much higher specific heat capacity than the metal lead, which sample…

A: Q = m . s . ∆T Where, Q = heat absorbed; m = mass of substance; s specific heat capacity and ∆T =…

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: Given that 154.81 g of solution increased in temperature by 4.82 °C, how much heat, in J, was gained…

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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: A piece of solid substance weighs 2.0g, and requires 100J to increase its temperature from 25.0…

A: Given: Mass of substance= 2.0 g T1= 25 C T2= 30.0 C Heat, q= 100 J

Q: The highly exothermic thermite reaction, in which aluminum reduces iron (III) oxide to elemental…

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Q: A 1.00g sample of octane is burned in a calorimeter that contains 1.20kg of water. The temperature…

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Q: A student measures the following data regarding the heat of fusion of ice: 24.8 g ice at 0.0°C is…

A: Given: Heat capacity of calorimeter = 15.4 J/oC Initial temperature of calorimeter and water = 21.5…

Q: aluminum metal has a specific heat of 0.901 j/g*c. How much heat is transferred to a 6.75 g peice of…

A: Given,Mass of aluminium = 6.75gInitial temperature = 20 degree CelsiusFinal temperature = 100 degree…

Q: Calculate the specific heat of a 15.0 g material that releases 372 J of heat when the temperature…

A: Given: Mass = 15.0 g Heat energy = 372 J Initial temperature = 85.0 degree Celsius Final temperature…

Q: Calculate the specific heat capacity of a piece of wood if 1500.0 g of the wood absorbs 67,500…

A: Interpretation: The specific heat capacity of a piece of wood if 1500.0 g of the wood absorbs…

Q: Equal masses of two substances, A & B, each absorb 25 J of energy. If the temperature of A increases…

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Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

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Q: A coffee cup calorimeter, including that water it contains, has a heat capacity of 425 J/K, and is…

A: Formula: q = C × ∆T where , q = heat  C = Heat Capacity ∆T = Change in temperature   The Heat lost…

Q: How much heat is required to raise the temperature of 1,500 g of water from 25C to 52C? The specific…

A: Given  Mass of water ( m )  = 1500 gram  specific heat of water ( s ) = 4.184 Joule/g℃  Initial…

Q: When 14.0 mL of water at 28.0 C is combined with 19.0 mL of water at 79.0 C, what is the final…

A: Given, 14.0 mL of water at 28.0 C and 19.0 mL of water at 79.0 C are mixed  specific heat of water…

Q: 12.0 °C. 5. A sheet of gold weighing 10.0 g and at a temperature of 18.0 °C is placed flat on a…

A: Q = mCp∆T Where, Q = heat gained or lost m= mass of substance Cp = Specific heat capacity ∆T= Final…

Q: The major source of aluminum in the world is bauxite (aluminum oxide). Its thermal decomposition can…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: The temperature of a sample of water increases from 20C to 46.6C as it absorbs 5650J of heat. What…

A: It is given that the temperature of water increases from an initial temperature of 20°C to a final…

Q: Copper metal has a specific heat of 0.385 J/g·C. Calculate the amount of heat required to raise the…

A: We know that Heat transfer or heat required to raise the temperature of substance is Q = mC∆T…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

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Q: If 91 J of heat is added to a pure gold coin with a mass of 15 g , what is the temperature change?…

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