How much heat must be applied to a 40.2g sample of gold (s=0.129 J(g∙℃)) in order to raise its temperature from 28.2℃ to 351.5℃?

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 378.0 mg sample…

A: mass = 378.0mg = 0.378g Initial Temperature = 30.4oC Final Temperature = 43.1oC Heat required = 20.1…

Q: What is the work done by a system when it absorbs 47 J of heat and gain 12 J of energy?

A: Since you have posted multiple question, the answer for first question is given below. Kindly repost…

Q: If a system has 42.0 J of heat added to it, and the system does 25.0 J of work on its surroundings,…

A: According to the first law of thermodynamics, the provided heat is used in increasing the the…

Q: Calculate the amount of heat required to raise the temperature of a 68 gg sample of water from 39C…

A: The considered sample of water is to be heated and the required temperature raise by heating, is…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 124.0 g sample…

A: We are assuming no any phase change during additon of heat .  Change in temperature  = 9.9 -(-2.6)…

Q: If 4.0 grams of water at 1ºc absorbs 33 joules of heat, what will be the change in temperature of…

A: Given,Mass of water= 4gTemperature = 1 degree Celsius.Heat = 33J

Q: The specific heats of several metals are given below. If the same number of Joules were applied to…

A: The specific heat capacity (C) of a substance is generally expressed in J/goC. It is given as the…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 674.0 mg sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 446.0 mg sample…

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Q: How much heat is needed to raise the temperature of 91.0  g of water from 34.0 °C to 98.0 °C?

A: Mass of water, m =91.0  g Initial temperature, T1=34.0 °C Final temperature, T2=98.0 °C Specific…

Q: A sample of iron absorbs 62.3 J of heat, upon which the temperature of the sample increases from…

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

Q: In order to change the temperature of 147 g of lead from 22 o C to 55.oC, how many Joules are…

A: Q = mc∆T Q = heat M = mass C = specific heat capacity ∆T = change in Temp.   M = 147 g ∆T = Tfinal –…

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 236.0 mg sample…

A: We know that q = mc∆T ....(1)  q = heat required = 3.7 J, ∆T = increase in temperature = 11.6 °C…

Q: The specific heat of an unknown metal is calculated to be 3.74J/g*C. What is the mass of the sample…

A: Answer is explained below.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 671.0 mg sample…

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Q: 5. To determine whether a shiny silver-colored rock is actually silver, a chemistry student decides…

A: GIVEN:-

Q: How much heat is required to raise the temperature of 55 grams of water from 16 degrees Celsius to…

A:

Q: What is the change in internal energy in joules for a system that releases 154 J of heat and does…

A: Since the relationship between work, internal energy change and heat released is given by  ΔE=…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a  1.80kg…

A: The question is about calculating the Specific Heat Capacity of the Substance. Firstly, let's write…

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 chemist carefully measures the amount of heat needed to raise the temperature of a 732.0 mg sample…

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Q: What is the change in energy (in J) for a system that lost 344 J of heat to the surroundings, and…

A: Assume that work (w) is done on the system, so w will be positive.Given:Heat lost, Q  = - 344 JWork…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 623.0g sample…

A: • The values provided in the question are:-  i) Mass of a sample of a pure substance, m = 623.0 g…

Q: What can the chemist report for the specific heat capacity of the substance?

A:

Q: how many joules of energy are released when 100.0 g of water cools from 98 degrees Celsius to 30° c…

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Q: A system receives 315J of heat and delivers 200. J of work to its surroundings, what is the change…

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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: A 55.0g sample of metal z requires 675j of energy to heat it from 25.0 to 118.0 Celsius? Calculate…

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Q: 1. When 145.6 J of heat are added to 13.0 g of mercury in a thermometer, the temperature increases…

A: Here we have to determine specific heat of  mercury if 13 g of Hg absorbed 145.6 J heat energy so…

Q: How many joules of heat is needed to heat a 108 grams of Aluminum foil from 13°C to 65°C if aluminum…

A:

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

A: The given data contains, mass =50 g which absorbs 256 J. Temperature change =11.4°C

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 chemist carefully measures the amount of heat needed to raise the temperature of a 794.0 g sample…

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Q: Exactly 385 J will raise the temperature of 76 g of a metal from 15.7oC to 50.9oC. What is the…

A: The given data: The mass of metal is 76 g The temperature of metal raises from 15.70C to 50.90C…

Q: How many joules of heat is needed to heat a 108 grams of Aluminum foil from 13°C to 65°C if aluminum…

A:

Q: To determine whether a shiny gold-colored rock is actually gold, a chemistry student decides to…

A: Given information: Mass = 4.9 g Heat required = 54.4 J Initial temperature = 25 oC Final temperature…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.26 kg sample…

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Q: Assume that the kinectic energy of a 1400-kg car moving at 115 km/h could be converted entirely into…

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

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Q: Calculate the temperature change when 5.76J of heat is released in a calorimeter having a heat…

A: Heat release= heat capacity* rise in temperature

Q: If the same amount of heat is applied to 10 grams of the following four materials, which will reach…

A: The heat capacity of the substance can be given as -  Q = MC∆T  Where -  Q = heat absorbed or…

Q: how much energy in joules is needed to heat 200.0 g of water by 10.0 degrees celsius? the heat…

A: The energy in joules that is needed to heat 200.0 g of water by 10.0 degrees Celsius is to be…

Q: When 40 g of a metal at 85 ◦C is added to 48 g of water at 23 ◦C, the temperature of the water rises…

A: Given: Specific heat of water = 4.18 J/g. oC Mass of metal = 40.0 g Mass of water = 48.0 g Initial…

Q: What mass of water will change its temperature by 10 °C when 975 J of heat is added? The specific…

A: Based on the information you've provided, we know the following variables:

Q: 10. It took 4.15 x 103 J of energy to raise the temperature of a piece of copper metal from 31°C to…

A: We have to calculate the mass of metal.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.91 kg sample…

A: Mass of the substance = 0.91 kg 1 kg = 1000 g

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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