1. What will be the final temperature (in Kelvin) of a 514-g sample of water, initially at 10.0 °C, after 90.8 kJ have been added to it? Show your work.

Q: When 3.52 g ammonia gas is oxidized over a platinum catalyst to form nitrogen monoxide gas and…

A: The thermochemical equation for the given reaction is given below:

Q: How much heat is required to warm 1.50 L of water from 25.0 °C to 100.0 °C? (Assume a density of 1.0…

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Q: 2. Write the thermochemical equation when one mole of nitrogen gas, N, reacts with one mole of…

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Q: 1. A 32.07 gram sample of vanadium was heated to 75 deg. It was then dumped in which the initial…

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Q: In your own words, describe the concept of specific heat capacity and the effects that it has on…

A: Specific heat capacity refers to the required amount of heat energy for raising the temperature of…

Q: A 92.9-g piece of a silver/gray metal is heated to 178.0 °C, and then quickly transferred into 75.0…

A: C is the symbol for specific heat capacity of a substance and equal to the amount of substance in…

Q: 75.0 g of Ag metal is heated to 80.0 °C and dropped into 50.0 g of water at 23.2 °C. The final…

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Q: 5. Calculate the approximate final temperature of water in a coffee cup calorimeter if 33.9 kJ of…

A: Use calorimetry principle to get answer Heat flow from high temperature to low temperature. Heat=…

Q: If 2.0 KJ of heat energy raises the temperature of a calorimeter containing 45.0 g of water from…

A: Given data: Q = 2000 J , ∆T = 9 , m = 45 × 10^-3 kg

Q: A 0.5736 g of unknown substance is burned in a constant – volume bomb calorimeter that has a heat…

A: Given: Mass of substance = 0.5736 g Heat capacity of calorimeter = 1.674 kJ/°C temperature increased…

Q: A 52.75 gram sample of iron (with a heat capacity of 0.450 J/g ºC) is heated to 100.0 ºC.

A: Calculating heat of water: Mass of water (m) = 46.64g Specific heat of water (s) = 4.184 J/g°C…

Q: piece of iron (mass = 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: We have to calculate the final temperature of water.

Q: The heat of combustion of methanol is -715 kJ/mol.  When 0.07 mol of methanol are burned in a bomb…

A: Use formula =Q= nc∆T  C= 1174.055kj/kg

Q: A 71.56 gram sample of iron (with a heat capacity of 0.450g) is heated to 100.0 °C. It is then…

A: The objective of the question is to calculate the heat absorbed by the bomb calorimeter.

Q: chemist carefully measures the amount of heat needed to raise the temperature of a 682.0 mg sample…

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Q: 4. An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 °C. The…

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Q: A 2.57 g sample of a substance suspected of being pure gold is warmed to 72.9 °C and submerged into…

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Q: An 84.01 g sample of water at 88.2 °C is mixed in a calorimeter with 43.6 g of water at 23.4 °C.…

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Q: A 9.13-g sample of vanadium is heated to 99.10 °C and is then placed into 20.0 g water in a…

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Q: 150.0 mL of dilute hydrochloric acid is placed in a coffee cup calorimeter. The initial temperature…

A: In the given question we have to calculate the final temperature of the solution, First of all, we…

Q: In a simple calorimeter, a piece of metal weighing 48.67 g was heated to 120.0 °C and then put it…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 286.0 g sample…

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Q: 10. Ethanol OH weighing 3.56 g is burned in a calorimeter. The temperature rises from 15.C to C. The…

A: During the burning of ethanol the heat released is absorbed by water and a calorimeter. First of…

Q: A 72.0-gram piece of metal at 96.0 °C is placed in 130.0 g of water in a calorimeter at 25.5 °C. The…

A: Given: The mass of metal piece, (mm)=72 g.                        The mass of water in the…

Q: Chemistry 1A student drops 105.0 grams of copper with an initial temperature of 95.4 °C into a…

A: 105.0 grams of copper with an initial temperature of 95.4 °C 100.0 grams of water. The water in the…

Q: 2. A piece of Cu metal is heated in a test until the temperature reaches 96 °C and dropped into a…

A: 2. A piece of hot Cu metal at 96 °C is dropped into a calorimeter, containing 50 mL of water at 27…

Q: 3. In this experiment, we have used 1.0 x 1.01 J/°C for the heat capacity of the coffee-cup…

A: The principle behind the working of calorimeter is that the heat lost by the hot water is gained by…

Q: 4. A 0.1375-g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a…

A: • Specific Heat Capacity = qm.∆T J/g• Specific Heat Capacity = q.mm.∆T J/mol.Where,q → heat…

Q: 3. A piece of metal weighing 59.047 g was heated to 100.0 °C and then put it into 100.0 mL of water…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…