4. A 0.1375-g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 3024 J/°C. The temperature increases by 1.126°C. Calculate the heat given off by the burning Mg, in kJ/g and in kJ/mol.

Q: In an experiment, 25.00 g of iron is heated to 228.00°C and then quickly transferred to 100,0 g of…

A: Given: Mass of iron = 25.00 g. Mass of water = 100.0 g. Initial temperature of iron = 228.00 oC…

Q: A 6.84 g mass of a metal was heated to 103.61°C and then plunged into 100.0 g of water at 23.08°C.…

A: Recall the following expression according to law of calorimetry to calculate amount of heat absorbed…

Q: 519.21 g of a cold water bath is at 26.55 ^\circ∘C. A sample of a hot metal is placed into the water…

A: Mass of water = M = 519.21 g  Initial temperature of water Ti = 26.55 °C  Final temperature of water…

Q: What is the final temperature of a piece of gold that had 26 Joules of heat applied to it? The mass…

A: Q = heat applied = 26 J m = mass of gold = 20 g Initial temperature = Ti = 25°C C =  specific heat…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given: mass of CuSO4 = 3.32 g mass of H2O = 113.60 g Temperature change from 23.47 to 26.70 °C heat…

Q: When a solid dissolves in water, hest may be evolved or absorbed. The heat of dissolution…

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

Q: When a 0.740-g sample of trinitrotoluene (TNT), CH,N,0, Is burned in a bomb calorimeter, the…

A:

Q: A student wishes to determine the specific heat capacity of a certain material. After she places…

A: We have to calculate the specific heat capacity of material.

Q: You wish to heat water to make coffee. How much heat (in joules) must be used to raise the…

A: We have to apply formula Q=mc∆T Here Q is the heat needed to raise temperature c is specific heat m…

Q: A chunk of lead at 91.7°C was added to 200.0 g of water at 15.5°C. The specific heat of lead is…

A:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

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: A 4.42-g sample of Colorado oil shale is completely burned in a bomb calorimeter, which causes the…

A: A particular amount of the sample is burned in the calorie meter and heat of combustion is…

Q: A 1.96 g sample of titanium was burned in a bomb calorimeter. The bomb calorimeter has a heat…

A: The solution is as follows :

Q: Substance Specific Heat Capacity (in J/g x °C) Iron 0.449 Aluminum 0.897 Lead 0.129 4. Using the…

A: Given : Initial temperature of substance = 20 oC Final temperature of substance = 30 oC And equal…

Q: 1. How much heat must be added to a 38-g sample of aluminum to increase its temperature by 250.0°C?…

A:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Since the temperature of the solution is increased, heat is released by the dissolution reaction of…

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: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: given , WCaBr2    = 1.72 g  M CaBr2 =   200g/mol nCaBr2   = 1.72g/200g/mol ) WH2O  =  107.30 g…

Q: A chunk of metal having a mass of 49.7g was warmed to 95.5°C and then dropped into a calorimeter…

A: Mass of metal = 49.7g  Mass of water = 45.3g Heat capacity for water = 4.18J/g°C Final temperature =…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: A 31.74-g lead (Pb) sample at 71.58°C is placed in a constant-pressure calorimeter of negligible…

A: Given, A 31.74-g lead (Pb) sample at 71.58°C is placed in a constant-pressure calorimeter of…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

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: A chunk of lead at 91.7°C was added to 400.0 g of water at 15.5°C. The specific heat of lead is…

A: Just apply  Heat given = Heat taken

Q: 8. If you add a metal piece with a temperature of 120 °C and a mass of 1.23 g to 100 g of 30 °C…

A:

Q: Consider the combustion of propane: С3Н: (9) + 50:(9) -> ЗСО2(9) + 4Н-0() ДН — —2221 kJ A balloon is…

A: Since the heat required = 1.5 X 108 J Assuming y grams of propane is com-busted hence moles of…

Q: A piece of solid substance weighs 2.0g, and requires 100J to increase its temperature from 25.0…

A: Given: Mass of substance= 2.0 g T1= 25 C T2= 30.0 C Heat, q= 100 J

Q: Consider the thermochemical equation for the combustion of acetone (C3H6O), the main ingredient in…

A: Acetone reacts with oxygen to form carbon dioxide and water. The combustion reaction of acetone is…

Q: 61. Consider the thermochemical equation for the combustion of acetone (C3H,O), the main ingredient…

A:

Q: Two portions of 50.0 g of water, at 13.0 and 54.0 °C, respectively, were mixed inside a cup…

A: we have to tell which option is correct

Q: A 1.107-g sample of benzoic acid (HC;H;O:) is burned in an excess of O:(g) in a bomb calorimeter,…

A:

Q: A18 kg block of iron at 29 °C is rapidly heated by a torch such that 11 kJ is transferred to it.…

A:

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

A: Given: Mass of nickel = 63.29 g. Initial temperature of nickel = 97.88 oC Mass of water = 76.34 g.…

Q: Titanium reacts with iodine to form titanium(III) iodide, emitting heat:2 Ti(s) + 3 I2(g)…

A: From the given chemical equation and data it is clear that  839 KJ energy is released from two moles…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given the mass of water inside the calorimeter = 104.80 g  Given the mass of CaCl2(s) dissolved =…

Q: 15. When 0.0451 mol of an unknown hydrocarbon is burned in a bomb calorimeter, the calorimeter…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: How much will the temperature of a cup (180 g) of coffee at 95 °C be reduced when a 45 g silver…

A: The heat lost by the coffee cup is gained by silver spoon.This relationship can be written as shown…

Q: The heat of the solution of ammonium nitrate is 26.2 kJ/mol. If a 5.368 g sample of NH₄NO₃ is added…

A: Heat of the solution of ammonium nitrate = 26.2 kJ/mol Mass of ammonium nitrate = 5.368 g Volume of…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given data,Mass of MgCl2=0.76gMass of water=105.70gInitial temperature=24.28oCFinal…

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

A: Formula: q = C × ∆T where , q = heat  C = Heat Capacity ∆T = Change in temperature   The Heat lost…

Q: 2. An 88.5 gram piece of iron initially at 78.8°C is place in a beaker containing 244 grams of water…

A:

Q: 22.214 g of a metal at 99.73°C was added to 14.2 g of water at 19.05°C. The temperature of the…

A: Given: Mass of metal = 22.214 g Initial temperature of metal = 99.73 °C  Mass of water = 14.2 g…

Q: How much heat must be added to a 38-g sample of aluminum to increase its temperature by 250.0°C? The…

A: • The values provided in the question are:-   i) Mass of a sample of aluminium, m = 38 g  ii)…

Q: Consider the combustion of propane: C3 Hs (g) + 502(g) → 3CO2(g) + 4H2O(1) AH = -2221 kJ A balloon…

A: It is given that heat transfer process is 60.0 % efficient. So, 1.6×108 Joules of energy is actually…

Q: A sample of copper absorbs 43.6 kJ of heat, resulting in a temperature rise of 75.0°C, determine the…

A: Heat (q) = 43.6 KJ  ....Or (because, 1 KJ = 1000 J). So,  = 43.6 KJ × (1000 J / 1KJ)  = 43600 J.…

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: A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc metal at…

A: Given, A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc…

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

A:

Q: A 1.9 kgkg block of iron at 29 ∘C∘C is rapidly heated by a torch such that 17 kJkJ is transferred to…

A: The change in temperature of a substance is related to the heat supplied to that substance as…