In the construction of bridges andskyscrapers, gaps must be left between adjoining steel beams toallow for the expansion and contraction of the metal due toheating and cooling. The temperature of a sample of iron witha mass of 10.0 g changed from 50.4°C to 25.0°C with the releaseof 114 J. What is the specific heat of iron?

Q: A sample of of water with a mass of 15.6 g at 77.9 °C is cooled so that amount of heat released to…

A: Answer: It is a 3 step process: 1. Cooling of water up to its melting point 2. Freezing of water 3.…

Q: How much heat (in J) is required to warm 1.97 grams of substance G (specific heat capacity 0.850…

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Q: You want to heat up a piece of ceramic with a mass of 194 g. How much heat (in kJ) is required to…

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Q: 10.0g of ice at 0.00*C is mixed with 25.0 g of water at 35.00*C in a calorimeter. What is the final…

A: Here we need to calculate Tf means final temperature. msample= 10.0g  c is the specific heat of…

Q: A 155.0 g piece of copper at 146 oC is dropped into 250.0 g of water at 15.3 oC. (The specific heat…

A: The heat lost by copper will be equal to the heat gained by water as there is no loss of heat to the…

Q: A knowm amount of heat is transferred to a sample of aluminum and the aluminum raises its…

A: Heat transferred can be calculated using the following equation,

Q: How much heat ( in joules) does it take to heat 45.0 g of 23.0 C water until it is steam at 112.0 C?

A: Answer: Heat (in joule) = 117319.5 J

Q: A 35.0-g sample of water at 25°C is mixed with 45.0 g of water at 88°C. Calculate the final…

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Q: mass

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Q: A sample of iron was heated to 125.0 oC and then placed in 375 g of water at 21.0 oC. The…

A: Given that, Temperature of iron sample Tiron =125.00C , mass of iron = m (supposed) Mass of water =…

Q: How much heat (in kJ) will be absorbed by a 31.5 g piece of aluminum (specific heat = 0.930 J/g･°C)…

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Q: How much heat (in kJ) will be absorbed by a 79.1 g piece of aluminum (specific heat = 0.930 J/g･°C)…

A: Given: Mass of Al piece = 79.1 gSpecific heat of Al = 0.930 J/g.°CInitial temperature = 23.0 °CFinal…

Q: A gas is compressed from an initial volume of 5.55 L to a finalvolume of 1.22 L by an external…

A: The expression for the work done,  W=-P(Vf-Vi)W=-1.00 atm (1.22 L-5.55 L)W=4.33 L (101.33 J)1 L…

Q: The specific heat capacities of copper, gold, and cobalt are given. Based on this information, which…

A: Specific heat capacity means the amount of heat required to raise the temperature of 1 gram of a…

Q: A 5.34g sample of aluminum at 23oC absorbs 170 J of heat.  What is the new temperature of the…

A: According to the law of calorimetry Heat absorbed by a substance depends on mass of the substance,…

Q: If a 125 g sample of iron is heated to 250.0oC and then placed in 500.0 g of water at 25.0 oC in an…

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Q: A 25.00 g piece of metal was heated at 100 degrees Celsius and was introduced to into a calorimeter,…

A: The given problem can be solved by using the formula given below as; -Qmetal=+Qwater…

Q: Calculate the specific heat capacity in the metal in j/g degrees Celsius

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

Q: How much heat (in J) is evolved or absorbed when a 35.1 g sample of ethanol (specific heat = 2.46…

A: specific heat capacity is the amount of heat required to raise the temperature of 1 Kg of a…

Q: Calculate the specific heat of a 300.0g sample of iron. If it took 1000. Cal to raise the…

A: Mass of sample = 300 g Heat needed = 1000 cal ∆T = 123 oC

Q: The specific heat capacity of iron is 0.45J/gC   How many joules of energy are needed to warm 1.16g…

A: Given: Specific heat capacity of iron= 0.45J/gC  Mass of iron= 1.16 g T1= 20.0 C T2= 29.0 C

Q: You assumed the inital temperature of the metal was the same as that of the boiling water. If the…

A: the initial temperature of the metal was the same as that of the boiling water. If the metal sample…

Q: Specific heat capacity of Copper is 0.093 cal/g•°C. Calculate the heat required to increase 150 g of…

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Q: How much heat, in Cal, will be absorbed by a 25.0 g piece of aluminum (specific heat = 0.930…

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Q: A 818 g sample of metal with a specific heat capacity of 0.251 of J/g•ºC is initially at a…

A: Given  Mass = 818 g Heat = 1.5 kJ = 1500 J T1 = 22.6°C Specific heat = 0.251 J/g-°C

Q: A 337.2 g sample of acetone gas with a temperature of 56.0°C is converted to a liquid with a…

A: Answer :- 182.1 kJ…

Q: How much heat is required to worm 19g of iron from 12•c to 84•c specific heat of iron is…

A: Here, we have to find the amount of heat that is required to warn 19 g of iron from 12 ∘C to 84 ∘C.…

Q: A 6.22 kg  piece of copper ( specific heat = 0.385 J/g ºC) is heated from 20.5ºC to 324.3ºC.  what…

A: The mass of 1.0 kg in g is 1000 g. The mass of the 6.22 kg copper in g is 6220 g. 1000 g=1.0 kg6.22…

Q: A flask of 10 g of diethyl ether is cooled from 50.0 °C to 10.0 °C. What is the total quantity of…

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Q: What is the final temperature when 5.0 g sample of brass initially at 25 degrees celsius absorbs 75…

A: Heat  is defined as thermal energy transferred between two systems at different temperatures coming…

Q: Metal Specific Heat (J/goC) Calcium 0.647 Iron 0.449 Silver 0.235 Gold 0.129 In joules,…

A: Given, mass of silver = 26.0 g Initial temperature , T1=198 °C Final temperature, T2=122 °C

Q: initially

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Q: SLVER Massof EMPTY cup 4g Mass of cuptwater 64.0g Mass of waterR 64.0g 4.0g 60g Massof SILVER 260g…

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Q: 107 g of Cu at 108.9\deg C was added to 258.7 g of H2 O at 17.4\deg C. If the specific heat of…

A: The objective of the question is to calculate the final temperature of the water and copper mixture.

Q: The specific heat if a certain type of metal is 0.128 J/(g.C). What is the final temperature if 305…

A: Amount of heat,Q required to change the temperature of a substance of mass ,m and specific heat…

Q: 45.0 g of copper (Cu) at -15.4 oC absorbed 613 J of heat and the final temperature is measured at…

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Q: When a 43.0 g sample of metal at 100.0 oC is added to 38.0 g of water at 23.72 oC, the final…

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