In the construction of bridges and skyscrapers, gaps must be left between adjoining steel beams to allow for the expansion and contraction of the metal due to heating and cooling. The temperature of a sample iron with a mass of 10.0 g changes from 50.4oC to 25.0oC with the release of 114 J. What is the specific heat of iron?

Q: Calculate the heat that must be supplied to a 500.0 g stainless steel vessel containing 450.0 g of…

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

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: If a system has 48.5 J of heat added to it, and the system does 75.5 J of work on its surroundings,…

A: Given q = 48.5 J ( positive as heqat is added )w = -75.5 J ( as work is done by system )

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…

A:

Q: A 10 g piece of copper at 145 oC is placed in 150 mL of water. The initial temperature of water is…

A:

Q: If 63.50 g of an unknown metal at 97.6 °C initially produced a resulting temperature of 39.5 °C when…

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

Q: A piece of silver with a mass 418 g has a heat capacity of 99.1 J/°C. What is the specific heat of…

A: Given, heat capcity 'c' of silver = 90.1 J/oC , mass of silver = 418 g, specific heat = ?

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

A: Given information:

Q: What is the specific heat of a 83.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: The amount of heat absorbed or released is related to specific heat capacity as,…

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

A:

Q: When a 1.25 kg sample of water was heated in a kettle, its temperature increased from 16.4°C to…

A: Given: Mass of water = 1.25 Kg = 1250 g.                                         (Since 1 Kg = 1000…

Q: The specific heat of AI is 0.901 J/g C. The specific heat of Iron is 0.449 J/g C. Which substance…

A: The quantity of energy (Q) required can be calculated as follows,

Q: How much heat will be absorbed by a 43.1g piece of aluminum as it changes temperatures from 23…

A: The heat capacity of a chemical substance is the quantity of heat required to increase temperature…

Q: An iron bar of mass 869 g cools from 94°C to 5°C. Calculate the heat released (in kilojoules) by the…

A: Q = m . s . ∆T

Q: Consider the combustion of propane: C;H3 (g) +502 (g)- 3CO2(g) +4H20(1) AH = -2221 kJ A balloon is…

A: Answer :-  Mass of propane = 4292.4 g

Q: Consider the following thermochemical equation for the combustion of acetone, C3H6O, the main…

A: The combustion reaction given is  C3H6O (l) + 4 O2 (g) → 3 CO2 (g) + 3 H2O (g)…

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

A:

Q: What is the specific heat of a 75.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Given : Mass of metal = 75.01 g Change in temperature of metal = 45.2 °C And the total heat absorbed…

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: A 5.0 g piece of metal is heated to 100 degrees Celsius, then placed in a beaker containing 20.0 g…

A: Given:Specific heat of water = 4.18 J/g. oCMass of metal = 5.0 gMass of water = 20.0 g.Initial…

Q: 3. 842 J of works was done for a gas to be compressed. At the same time, it releases 451 J of heat.…

A: Given -> Work = +842 J ( work done on the system) Q = -451 J ( heat released)

Q: If 325 g of water at 4.2C absorbs 12.28 kJ, what is the final temperature of the water? The specific…

A:

Q: How many grams of water would require 2200 joules of heat to raise its temperature from 34°C to…

A: q = mc∆T   q = heat energy  m = mass of water  c = specific heat of water  ∆T = change in…

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: What is the specific heat of a 72.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Given data is  mass of sample = 72.01 g Temperature = 45.2 oC Heat absorbed = 1870 J Formula used…

Q: 1. In an experiment to determine the Specific Heat of Nickel, a 66.0 g sample of Nickel metal is…

A: Answer :-  The specific heat of Nickel determined by the experiment = 0.544 J/g.°C…

Q: Iron reacts with oxygen to form one mole iron (III) oxide releasing 826 kJ of heat. How much heat is…

A:

Q: An iron can weighing 50 grams absorbs 256.0 J of heat and warms by 11.4C. What is the specific heat…

A: The amount of heat required to raise the temperature of a substance by one degree Celsius is called…

Q: 21. The temperature of the cooling water as it leaves the hot engine of an automobile is 240 °F.…

A: The amount of heat transfer can be calculated by using the following formula: The relaion between…

Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

A: The solution is given below -

Q: How much energy is needed to raise the temperature of 325g of water by 10.0 degrees? The specific…

A: Thermodynamics is branch of chemistry in which we deal with heat of reaction.

Q: A 90g sample of an unknown metal absorbed 25.6J of heat as its temperature increased 1.18C. What is…

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

Q: A 135-g sample of a metal requires 2.50 kJ to change its temperature from 19.5°C to 100.0°C. What is…

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

Q: Consider the following equation for the combustion of acetone (C3H6O), the main ingredient in nail…

A: Given, Equation of Combustion of acetone (C3H6O), C3H6O (l) + 4O2(g)  ➝ 3CO2(g) + 3H2O(g) ∆Hrxn =…

Q: What will the final temperature be if a 5.00-g silver ring at 37.0℃ gives off 25.0 J of heat to its…

A:

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: If 1495 J of heat is needed to raise the temperature of a 327 g sample of a metal from 55.0°C to…

A: The weight of metal is 327 g.The given temperature values are 55.0 ˚C and 66.0 ˚C. The value of q is…

Q: A 29.00 g sample of metal alloy is heated to 92.6 °C; then placed in 55.23 g of water in an…

A:

Q: A gas is compressed and during this process the surroundings do 142 J of work on the gas. At the…

A:

Q: A piece of solid substance weights 4.0 g, and requires 150 J to increase its temperature from 30.0…

A: The certain heat energy amount that is applicable in the enhancement of substance's temperature per…

Q: What is the specific heat of a 91.51 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Given temperature of the piece of metal (T) = 45.2°C  Given mass of the piece of the metal (m) =…

Q: A student heats a 5.0 g sample of an unknown metal to a temperature of 211 °C, and then drops the…

A: Given, Mass of sample metal = 5.0 g Mass of water in calorimeter = 66.0 g The initial temperature of…

Q: A 21 gram piece of metal at 125 oC is dropped into 87 grams of water at 17 oC. The water temperature…

A: Heat gain by water = heat lost by metal (-ve)

Q: A gas does 135 J of work while expanding, and at the same time it absorbs 156 J of heat. What is the…

A: Thermodynamics is the study of heat in motion.

Q: When a metal object is dropped into cold water, it releases 4,715 J of energy to its surroundings,…

A:

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: A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc metal at…

A: Given, A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc…

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

A: