A 100.0g sample of water at 25.30 degrees Celsius was placed in an insulated cup. Then 45.00g of lead pellets at 100.00 degrees Celsius was added. The final temperature of water was 34.34 degrees Celsius. What is the specific heat of lead if the specific heat of water is 4.184 J/gC?

Q: A 6.57 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

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Q: A 48.0−g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing…

A: Given data:

Q: It takes 54.0 J to raise the temperature of an 11.5 g piece of unknown metal from 13.0 Celcius to…

A: The relationship between heat required and specific heat of a substance is given below.

Q: A chunk of mercury at 80.8°C was added to 300.0 g of water at 15.5°C. The specific heat of mercury…

A: Given: For water: Mass of water, mw=300.0 g Temperature change, ∆T=(20.9-15.5)°C=5.4 °C Specific…

Q: A 70.9-g piece of metal at 83.2 °C is placed in 98 g of water at 23 °C contained in a calorimeter.…

A: The problem is asking for the specific heat of the metal. The specific heat is the amount of heat…

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: 6) B) A 150.0 g sample of a metal at 80.0 °C is placed in 150 g of water at 20.0 °C. The temperature…

A: Given , mass of metal sample, mm = 150.0 g Initial temperature of metal , tim=80°C mass of water…

Q: A calorimeter holds 50 g water at 29.0°C. A sample of hot iron is added to the water, and the final…

A: The given mass of the water (m) = 50 g The initial temperature of water (T1) = 29.0 °C The final…

Q: A 24.6 g sample of a metal is heated to 110.0°C and then placed in a coffee cup calorimeter…

A: Answer: This is the question based on energy conservation, one object is losing the heat and other…

Q: A 4.35 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: The heat released or absorbed (q) when the temperature of any substance is raised is calculated as:…

Q: A sample of water with a mass of 46.30 g absorbs 3.800 kJ of heat energy. If the initial temperature…

A: Given the mass of water =46.30 g heat absorbed by water =3.800 kJ =3800 J initial temperature of…

Q: Enter your answer in the provided box. A 25.95−g sample of methanol at 35.6 ° C is added to a…

A: Given, Mass of methanol = 25.95g. Initial temperature of methanol = 35.60C. Mass of ethanol =…

Q: A 36.0−g sample of an unknown metal at 99 ° C was placed in a constant-pressure calorimeter…

A: The heat lost by the metal is equal to the heat gained by water. -Qm = Qw+Qcal

Q: If 2.500KJ of heat are added to 50.0g of water at 25.00 °C, what would be the final temperature of…

A:

Q: 2) When 100 g of unknown metal at 100 °C added to a calorimeter containing 50.00 g of water the…

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

Q: How much heat is required to raise the temperature of 1.5 x 103 g of water from 45F to 130.F? The…

A: The temperature conversation formula is

Q: A calorimeter holds 50 g water at 29.0°C. A sample of hot iron is added to the water, and the final…

A:

Q: A 44.5-g sample of copper at 99.4 °C is dropped into a beaker containing 150. g of water at 18.0 °C.…

A:

Q: When a 8.47 g sample of sodium iodide, NaI, dissolves in 160.0 g of water in a calorimeter, the…

A: It is based on the concept of calorimetry.Here we are required to find the heat absorbed by the…

Q: 27-gram piece of metal at 144  oC is dropped into 86 grams of water at 29 oC.  The water temperature…

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Q: In the laboratory a student determines the specific heat of a metal. He heats 18.4 grams of…

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Q: You discover a new substance and wish to determine its specific heat capacity. Your sample weighs…

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Q: You take 126 g of a solid (melting point = 48.5 °C, heat of fusion = 514 J/g) and let it melt in 555…

A: Answer is 80.22∘CExplanation:Step 1: So Qlost​=126×514=64764J Step 2:  Step 3:  So initial…

Q: A chemistry student was tasked to determine the specific heat of a 50.0 g rock sample which has a…

A: Given:  the mass of rock  m1 = 50 g the initial temperature of rock  T1  = 83° C the mass of…

Q: It takes 52.0 J to raise the temperature of an 9.00 g piece of unknown metal from 13.0∘C to 25.0 ∘C.…

A: Specific heat capacity(c): The amount of heat energy(Q) is required to raise the temperature of a…

Q: A 325-g piece of gold at 427°C is dropped into 200.0 mL of water at 22.0°C. the specific heat of…

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Q: It takes 55.0 J to raise the temperature of an 11.0 g piece of unknown metal from 13.0°C to 24.8 °C.…

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Q: akes 47.0 J to raise the temperature of an 9.90 g piece of unknown metal from 13.0°C to 24.6 °C.…

A: Specific Heat capacity is amount of heat required to increase the temperatures of one gram of…

Q: A 158 g sample of gold at some temperature was added to 28.7 g of water. The initial water…

A: Assuming the initial temperature of gold is T. Since the heat lost by gold is gained by water to…

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

A: