A sample of lead is heated and placed in a 151.0 g container of water at 22.0 oC.  The final temperature of the lead and water is 44.0 oC.  Assuming no heat loss, what amount of heat released from the lead sample?

Q: When 75.71 grams of fictional compound X is added to water to make 367.7 grams of solution, the…

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Q: mestion 41 of 41 Suppose a boil water notice is sent out advising all residents in the area to boil…

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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 sample of lead is heated to 189.4oC.  It is then placed in a cup containing 32.8 g water at…

A: The relationship between heat , specific heat capacity and change in temperature is given by the…

Q: When 59.52 grams of fictional compound X is added to water to make 553.5 grams of solution, the…

A: given mass of solution = 553.5 g mass of X = 59.52 g molar mass of X = 69.14 g/mol initial…

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: 3. Is solid → liquid → gas an endothermic or exothermic process? Describe how this energy change…

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Q: How much energy is needed to increase the temperature of a 100g block of iron, to 10 oC compared to…

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Q: hen 92.00 grams of fictional compound X is added to water to make 531.0 grams of solution, the…

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Q: How many grams of C5H12

A: ∙Given:- mass =1.24kg or 1240g                    T1 Initial temperature=23.6°C…

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 3.75 g piece of gold initially at 587.15 K is dropped into 20.6 mL of water at 295.75 K. Calculate…

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Q: Substance Specific Heat, c (J/gx°C) Water 4.184 Granite 0.803 Mercury 0.140 Silver 0.235 Aluminum…

A: Using the relation Q = mCΔT we can find amount of heat released.

Q: When 98.88 grams of fictional compound X is added to water to make 386.9 grams of solution, the…

A: Given mass of solution = 386.9 g mass of X = 98.88 g molar mass of X = 125.14 g/mol specific heat =…

Q: What is the final temperature when a 5.0 g sample of brass initially at 25 oC absorbs 75 J of heat?…

A: Equation for finding the heat absorbed by brass is as follows. Q=mc∆TQ=heat absorbed by brassm=mass…

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: What is the specific heat of the rock?

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Q: 12.755 g of a metal initially at 99.0ºC are placed into 75.0 g of water intially at 23.0ºC. The…

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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…

A: Calculate for the final temperature of the mixture see step-2 for further Calculation and concept…

Q: A foundry worker places a 5.77 kg sheet of cobalt at a temperature of 15°C on top of a 16.8 kg sheet…

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Q: Calculate the moles of lithium from its molar mass and the heat produced when it reacts with water.…

A: In this scenario, we are presented with a multi-step problem that involves the reaction of lithium…

Q: Why water has a very high specific heat capacity in comparison to other metals ? Please give a few…

A: Heat capacity:  Heat capacity : This property of a substance is defined the maximum heat that the…

Q: When 51.96 grams of fictional compound X is added to water to make 348.0 grams of solution, the…

A: Mass of compound X is = 51.96 g Molar mass of compound X is = 92.68 g/mol Specific heat of solution…

Q: Which of the following will affect the amount of energy it takes to change the temperature of a…

A: Whenever a substance is heated its temperature is increased. The process of heating requires heat.

Q: Calculate the amount of heat, in Joules, needed to raise 34.0g of water from 55.0°C to 76.0°C. The…

A: Here we are required to find the amount of heat needed to raise 34.0g of water from 55.0°C to 76.0°C…

Q: A solution is made by mixing 197.3 g of ethanol initially at 10.5°C with 250.0 g of water initially…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

Q: The specific heat of mercury is 0.140 J/g°C. Calculate the heat necessary to raise the temperature…

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Q: What is the amount of heat energy in joules required to raise the temperature of 10.00 g water…

A: The required relation is given below.

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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Q: 50.0 mL of hot water (49.6 oC) is added to 50.0 mL of cold water (24.7 oC).  Upon mixing the water…

A: Mass of hot water = 50 mL =50g Temperature of hot water = 49.5°C Mass of cold water = 50 mL = 50 g…

Q: Which change happens when a substance melts? O Heat energy overcomes the forces of attraction…

A: Here we have to choose correct option about melting of substances-

Q: Determine the final temperature of a gold nugget (mass = 376 g) that starts at 288 K and loses 4.85…

A: Specific Heat Capacity of gold is =0.128 J/gc Initial temperature = T1 = 288K…

Q: Suppose a boil water notice is sent out advising all residents in the area to boil their water…

A: Given: The volume of water, (VH2O) = 12 L = 12000 mL. The initial temperature of the water, (T1) =…

Q: 67.0 mL of hot water (45.4 oC) is added to 45.0 mL of cold water (22.3 oC).  Upon mixing the water…

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Q: The reaction shown below represents the formation reaction of water. 2 H2 (g)   +   O2 (g)   →   2…

A: The solution is as follows :

Q: What is the heat of solution for compound X

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Q: The amount of energy needed to heat 2.00 g of carbon from 50.0oC to 80.0oC is 42.56 J. The specific…

A: Given, mass of Carbon = 2.00 g  Heat energy = 42.56 J  Specific heat capacity  = ?

Q: A 155.0 g piece of copper at 181 oC is dropped into 250.0 g of water at 17.9 oC. (The specific heat…

A: Assuming the final temperature of mixture is T and specific heat of water = 4.184 J/goC Since the…

Q: 4. The specific heat of water is quite high at 4.184 J/gC. Explain how life on this planet would be…

A: The amount of heat required to increase the temperature of the 1 g of the substance by 1 degree is…

Q: Which statement best defines specific heat? The amount of heat required to increase the temperature…

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