A cylinder contains 26.3 g N2 at 25.0oC. The gas is heated to a temperature of 88.4oC. What is the amount of energy added to the gas to cause the temperature change? The specific heat of nitrogen is 1.0376 J/goC.

Q: How much heat must be absorbed by 125 gg of ethanol to change its temperature from 21.5 ∘C to 34.8…

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Q: When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 5.27 g is…

A: Given: 3.27 MJ = 3270000 J molar mass of C6H6 = 78.11 gm/mol that mean 78.11 gm C6H6 = 1 mole then…

Q: Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 36…

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Q: Write the thermochemical equation for the following reactions that occur at constant pressure: (a)…

A: In a chemical reaction, some of them require energy to convert reactants to product, such reactions…

Q: If 500 grams of solid iron (Fe) at 100oC is placed in a calorimeter filled with 1000.0 grams of…

A: Given that: Mass of iron (Fe) = 500g Initial Temperature of Fe = 100°C Mass of water = 1000g Initial…

Q: A sample of gas occupies a volume of 66.7 mL. As it expands, it does 131.6 J of work on its…

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Q: mass

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Q: A sample of bismuth undergoes a temperature change of +77.24 °C while absorbing 754.5 joules of…

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…

Q: An engineering student wants to study the heat transfer between a 50 g of heated block of iron (cFe…

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Q: PCl3 is a compound used to manufacture pesticides. A reaction requires that 100.0 g of PCl3 be…

A: Applying formula Q= mc∆t

Q: A 37.2 g sample of zinc is heated to 124oC. It is then placed in a coffee cup calorimeter containing…

A: Mass of sample of Zinc = MZn = 37.2 g Specific heat of zinc = cZn = 0.387 J/(g oC)  Temperature of…

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: Substance "C" is identified to have a specific heat capacity of 0.452 J/(g.°C). Which substances…

A: Answer: Specific heat capacity of the substance is defined as the amount of energy added into the…

Q: A student combusted a certain quantity of methane gas in a calorimeter. The literature indicates the…

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Q: When an alloy containing 20 g aluminum (c = 0.900 J g⁻¹ K) and 29 g copper (c = 0.385 J g⁻¹ K⁻¹) at…

A: Given that;   Mass of aluminum MAl  = 20g Heat capacity cAl  = 0.900 J/g°C  (unit correction)  Mass…

Q: An engineering student wants to study the heat transfer between a 50 g of heated block of iron (cFe…

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Q: A gaseous fuel mixture contains 23.1% methane (CH,), 43.4% ethane (CHe) and the rest propane (C3H3)…

A: Given: Total volume of fuel mixture = 1.46 L Pressure =745 mmHg = 0.98026 atm Temperature = 298 K %…

Q: 7. How many grams of iron can be melted if the heat capacity is 876J/g and 3999) are available?

A: Heat capacity is defined as the amount of heat to be supplied to a given mass of a material to…

Q: A sample of gas occupies a volume of 66.6 mL. As it expands, it does 124.3 J of work on its…

A: The detailed solution of your question given below--   Since, we know that the work, volume and…

Q: A 275-g sample of nickel at 100.0°C is placed in 100.0 mL of water at 22.0°C. What is the final…

A: We have to find final temperature of water  Given mass of nickel mm = 275g  heat capacity of metal…

Q: 2. In a steam engine, steam in a cylinder expands against a piston exerting 10.00 atm of external…

A: The change in energy of the steam is calculated in step 2

Q: Acetylene, C2H2, is used in welding torches.  It releases a lot of energy when burned in oxygen.…

A: Given: One gram of acetylene releases 48.2 kJ The mass of the sample of acetylene is 0.82 g The heat…

Q: Ethanol, C2H5OH, is mixed with gasoline and sold as gasohol. Use the following to calculate the…

A: Use the balanced chemical equation to deduce the relation between the amount of ethanol and the heat…

Q: When ammonia reacts with dinitrogen oxide gas (AH = 82.05 kJ/mol), liquid water and nitrogen gas are…

A: Reaction is  2NH3 (g) + 3N2O (g) ——> 4N2(g) + 3H2O (g)

Q: The heat of combustion (∆H) for propane (molar mass 44.11 g/mol) is -2222 kJ/mol. The heat generated…

A: For propane Heat of combustion = - 2222 KJ Mass of propane = 1.085 g Molar mass of propane = 44.11…

Q: An engineering student wants to study the heat transfer between a 50 g of heated block of iron (cFe…

A:

Q: Acetylene, C2H2, is used in welding torches.  It releases a lot of energy when burned in oxygen.…

A: Given,  Combustion of 1 g of acetylene releases 48.2 kJ Mass of acetylene = 0.76 g mass of water =…

Q: When 34.0 g of water at 24.0 °C are mixed with 46.0 g of water at 67.0 °C, what is the final…

A: Suppose the temperature of the final solution is X. When two such solutions are mixed where one…

Q: A bag filled with lead shots is dropped from a height of h = 22.9 m. The total mass of the bag is m…

A: Given,Height, h = 22.9 mMass, m = 620.0 gSpecific heat, c = 130 J/kgKWe know that, 1 J = 1 kg m2/s2⸫…

Q: The temperature of a calorimeter goes from 15.6 degrees (c) to 31.4 degrees (c) 4 by capturing 488.8…

A: Given heat (q) = 488.8 kJ T1 = 15.6°C T2 = 31.4°C

Q: 5. Phosphorus trichloride, PCI3, is a compound used in the manufacture of pesticides and gasoline…

A: The relationship between heat energy , mass of substance and change in temperature is  Q = mC∆T  Q =…

Q: Calculate the heat capacity, in joules and in calories per degree, of the following:(a) 45.8 g of…

A: Heat capacity is equal to the amount of heat required to raise the temperature by 1oC. The formula…

Q: An 33.83 g sample of aluminum is placed on a 66.98 g sample of copper initially at 112.55oC. If the…

A: Given: Mass of Aluminum taken = 33.83 g Mass of copper taken = 66.98 g Initial temperature of copper…

Q: Why are cold, damp air and hot, humid air more uncomfortable than dry air at the same temperatures?…

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Q: A gaseous fuel mixture contains 25.3% methane (CH4), 38.2% ethane (C2H6), and the rest propane…

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Q: The heat of combustion (AH) for propane (molar mass 44.11 g/mol) is -2222 kJ/mol. The heat generated…

A: Given data Heat of combustion of propane ∆H=-2222 KJ/mol molar mass of propane = 44.11 g/mol mass of…

Q: If 35.0 g H2O at 22.7 °C is combined with 65.0 g H2O at 87.5 °C, what is the final temperature of…

A: The specific heat is determined as the ratio of heat required to the product of mass and temperature…

Q: A piece of iron (mass = 25.0 g) at 368 K is placed in a styrofoam coffee cup containing 25.0 ml of…

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Q: When 1 mol of CS2(l) forms from its elements at 1 atm and 25 ° C,  89.7 kJ  is absorbed, and it…

A: Hess law of constant heat summation: This law states that regardless of the multiple stages or steps…

Q: The balanced combustion reaction for C, H, is 2CH,) + 150,g) - 12 CO,(g) +6H,O(1) + 6542 kJ If 6.700…

A: Final Temperature=32.79 oC

Q: How many joules of energy are needed to raise the temperature of an item 55 degrees if the heat…

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Q: A sample of gas occupies a volume of 71.2 mL. As it expands, it does 123.2 J of work on its…

A: Given, pressure = 783 Torr Initial volume = 71.2 mL Work = 123.2 J

Q: 25.0

A: We will use heat energy formula

Q: A sheet of gold weighing 10.6 g and at a temperature of 15.3°C is placed flat on a sheet of iron…

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Q: How much energy is needed to raise the temperature of 400 g of argon from 25ºC to 40ºC? The specific…

A: The mass of the argon is = 400 g Increase in the temperature is = 25oC to 40oC The heat capacity of…

Q: Consider the combustion of butane: 2 C4H10 (g) + 13 O2 (g) ⟶ 8 CO2 (g) + 10 H2O (l) ∆Hrxn = −2878…

A: Butane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical…

Q: 30.0 g of a substance (molar mass: 46 g/mol) required 262 J of heat to raise its temperature from…

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Q: A piece of metal with a specific heat of 1.153 J/gºC is heated to 124.6ºC and then placed in 120.382…

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