A 50.6 g sample of iron metal (specific heat = 0.473 J/g°C) is heated and put into 104 g of water at 19.7°Ć in a calorimeter. If the final temperature of the solid sample and the water is 24.3°C, what was the initial temperature of the iron' sample when it was placed in the water?

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: Mass of Zn = 66.79 g

Q: If 87 J of heat are added to a balloon, causing it to expand from 1.0 L to 1.4 L under 0.97 atm of…

A: Given: Required heat = 87 J Initial volume = 1.0 L Final volume = 1.4 L External pressure = 0.97…

Q: When 151.0 mL of water at 26.0°C is mixed with 46.0 mL of water at 85.0°C, what is the final…

A: Aplly calorimetry principle Q= mc∆T  Heat flow from high Temperature to low temperature.

Q: solid, or to measure the energy of a solution phase reaction. A student heats 65.30 grams of gold to…

A:

Q: 2. A solution is formed by combining 10 mL of solution A and 40 mL of solution B. Find out the heat…

A: We know that  Heat change of the reaction is  Qreaction = - Q calorimeter  = - m × C × ∆T And, the…

Q: A 20.8 g piece of metal has a specific heat of 0.52 J/g°C. It was heated to 9.5°C then placed inside…

A: Formula used :  -q(lost) = q(gained) If no heat is lost to the surrounding.

Q: In a calorimeter, you mix together 31.0 grams of a solution of acid and 30.0 grams of a solution of…

A: Total Mass of the solution = Mass of Acid + Mass of Base Total Mass = 31.0 + 30.0 g  = 61.0 g…

Q: Iron has a smaller heat capacity than water. Suppose that 10 kg of either substance was heated…

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

Q: Two amounts of 50.0 g of water, at 13.0 and 55.0 °C, respectively, were mixed inside a cup. If the…

A: heat capacity = m C ΔT m = 50 g C = 4.18 J/g c ΔT = 55-13 = 42 c

Q: The table lists the specific heat values of several substances. Substance Specific heat (cal/g.°C)…

A: Heat energy is given by q = m * C * ΔT where q = heat energy m = mass of the substance C = specific…

Q: A 75.0 gram sample of a metal is heated until it is at 100.0℃. A calorimeter contains 100.0 grams of…

A: Given that : Mass of sample of the metal (ms)= 75.0 g Its temperature = 100°C Mass of water in the…

Q: 0.26g CH4 are burned and all the heat added to a silver cup with 90g H2O(l) inside. If the water was…

A: The combustion reaction of CH4 is => CH4 + 2 O2 --------> CO2 + 2 H2O Since the ΔH of reaction…

Q: A 79-g piece of iron metal at 54.0 °C is placed in 29 g of water at 26.0 °C. Part A All the heat…

A: Given, mass of iron metal =79 ginitial temperature of iron =54.0°Cmass of water =26.0 °Cfinal…

Q: You performed the displayed reaction in the lab and determined that 336.74 J of heat was released.…

A: The given chemical reaction that has been carried out is given by: NCl3(g) + 3H2 (g) ——> NH3 (g)…

Q: 6.117 What is the temperature of a 125-g sample of tin, initially at 26.2°C, if 155 J of heat is…

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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: 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: 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 63.5-g piece of an unknown metal is heated to 92.40°C and quickly added to 100.0 g of water in a…

A: Given, mass of unknown metal, mu=63.5 g initial temperature of metal, Tiu=92.40°C mass of water,…

Q: (d) Consider the complete combustion of Benzene (CeH6). If the density of benzene is 0.88 g/mL, what…

A: Given reaction is : 2C6H6 (l) + 15 O2 (g) ----------> 12CO2 (g) + 6H2O (g) , ΔH0rxn = -6278 KJ…

Q: 13.0 and 54.0 °C, respectively, were mixed inside a cup calorimeter. If the temperature of water…

A: The heat capacity of the calorimeter is 58.1J/oC

Q: A coffee cup calorimeter, including that water it contains, has a heat capacity of 425 J/K, and is…

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Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: As mentioned, the student heats up the tungsten and then drops it into water. This means , the piece…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A:

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A:

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: 5) A 120.0-g piece of metal at 60.0 °C is placed in 150 g of water at 19.0 °C contained in a…

A: Calculating the heat released or absorbed for the process:            ......(1) In a system, the…

Q: 4) You are told that a chemical reaction is exothermic. How could you test whether the statement is…

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Q: If 4.168 kJ of heat is added to a calorimeter containing 75.40 g of water, the temperature of the…

A: Given,  Amount of heat added to a calorimeter = 4.168 KJ  Mass of water = 75.40 g  Initial…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: CALCULATION OF SPECIFIC HEAT CAPACITY

Q: A 25.0 g sample of silver metal was heated to 170 degrees C and then placed in a calorimeter holding…

A: Given: Mass of silver metal = 25.0 g The initial temperature of the metal= 170°C Mass of water= 50.0…

Q: A student heats 62.33 grams of chromium to 99.36 °C and then drops it into a cup containing 82.16…

A: Given, mass of chromium =62.33 graminitial  temperature of chromium =99.36 °Cmass of water =82.16…

Q: If 0.067 mol of hydrochloric acid  (HCl)  is mixed with 0.067 mol of sodium hydroxide  (NaOH)  in a…

A:

Q: 7. Calculate the specific heat of gold if it required 48.0 joules of heat to warm 25.0 grams of gold…

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Q: When 156.0 mL of water at 26.0°C is mixed with 86.0 mL of water at 85.0°C, what is the final…

A: Convert the given mL of water into mass.Given, density of water = 1.00 g/mL

Q: A 90.0 g piece of metal, initially at 98.6°C, is placed into 120.0 g of water initially at 24.3°C.…

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Q: A student measures the following data regarding the heat of fusion of ice: 24.8 g ice at 0.0°C is…

A: Given: Heat capacity of calorimeter = 15.4 J/oC Initial temperature of calorimeter and water = 21.5…

Q: A student heats a 5.0 g sample of an unknown metal to a temperature of 207∘C, and then drops the…

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Q: The initial temperature of a 415 g sample of iron is 10.6 °C. If the sample absorbs 2.64 kJ of…

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

A:

Q: 2. A solution is formed by combining 10 mL of solution A and 40 mL of solution B. Find out the heat…

A: 2). given : 10 ml solution of A  40 ml solution of B

Q: In an experiment, 26.5 g of metal was heated to 98.0°C and then quickly transferred to 150.0 g of…

A:

Q: A piece of metal with a specific heat of 1.011 J/gºC is heated to 123.1ºC and then placed in 111.031…

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

Q: 12.0 °C. 5. A sheet of gold weighing 10.0 g and at a temperature of 18.0 °C is placed flat on a…

A: Q = mCp∆T Where, Q = heat gained or lost m= mass of substance Cp = Specific heat capacity ∆T= Final…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A:

Q: A gas expands and does work on the surroundings equal to 4.92 L atm. At the same time, it releases…

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Q: If 4.168 kJ of heat is added to a calorimeter containing 75.40 g of water, the temperature of the…

A:

Q: 1. A thermometer placed in a solution undergoing a chemical reaction indicates an increase in…

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