Determine the specific heat of unknown metal when 25g of metal, initially at 80.0 C is added to 100.0mL of water initially at 20.0 C. The final temperature of the mixture is 21.6 C.

Q: Consider the chemical equation 2 A + 3 B ---> 4 C + D The reaction enthalpy is 705 kJ How many…

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Q: Suppose that the molar enthalpy of a reaction is -73.45 kJ/mol and 4.222 moles are reacted. How many…

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Q: A gold ball with a mass of 138 g has been heated to a temperature of 92.4°C and is then dropped into…

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

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Q: Piece of metal with a mass of 48.342 g at an initial temp of 108 C is placed into 50 g of water…

A: Given, mass of metal =48.342 graminitial temperature of metal =108 °Cmass of water =50 graminitial…

Q: If 46.1g of copper at 11.6 degrees is place in 85.0g of water at 72.4 degrees what is the final…

A: Heat loss is given by the formula           -q = mC∆T     Or      -q = mC(Tf - Ti)  Where,  q=…

Q: How much heat is rel;eased to the surroundings when 5.00g of CO2 is produced according to the…

A: .reaction given in question states that 2220 kj energy released in production of 3 moles of CO2 .…

Q: A 1.69 gram sample is heated to an initial temperature of 75 oC. The sample is then placed in a…

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Q: Consider an aqueous reaction of equal volumes of 2.0 M HCl and 2.0 M NaOH, with a final volume of…

A: Given information,    Final volume of solution = 100 mL    Temperature change= 2.5 deg C    Specific…

Q: How much heat is rel;eased to the surroundings when 5.00 g of CO2 is produced according to the…

A: We can solve the problem by determining the moles of CO2 that is actually produced in the reaction.…

Q: A 50.0-mL sample of 0.400 M copper(II) sulfate solution at 23.35oC is mixed with 50.0 mL of 0.600 M…

A: We have 50ml of 0.4M CuSO4 50ml of 0.6M NaOH Ti=initial temperature = 23.35°C Tf=final temperature =…

Q: Using the molar heat of solution provided in the question above: determine how many g solid sodium…

A: The molar heat of the solution of sodium hydroxide is = -445.1 kJ/mol The volume of the water is =…

Q: a coffee cup calorimeter, 44.0 mL of 0.11 M nitric acid (HNO,) and 44.0 mL of 0.11 M potassium…

A: The enthalpy of neutralization  in a coffee cup calorimeter is calculated using the following…

Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 9…

A: Given data : Temperature (T) = Constant Pressure (P) = 9 atm Volume(V) = 7.0 L to 17 LConsatnt…

Q: Give an example of a reaction that represents the heat of formation?

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Q: Please answer completely with formula, given and complete solution so that i will understand. Tyms❤️…

A: In coffee cup calorimeter heat of reaction is given below.  qrxn=-m×Cs×(Tf-Ti) Where m is mass of…

Q: 6.125 A 175-g pipe is heated to 78.24°C. The pipe is then placed at transferred out of the water,…

A: This question is from calorimetry where we apply the concept that heat lost by the system is equal…

Q: You want to determine the heat capacity of an unknown metal sample in order to help identify it. To…

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Q: constant-pressure calorimetry experiment, 27.0 mL of 1.00 M HCIO, was mixed with 27.0 mL of 1.00 M…

A: The constant pressure calorimeter is used to measure the change in enthalpy,∆H for a chemical or a…

Q: A 531.6 g sample of sodium undergoes a temperature change of +86.75 °C while absorbing 857.4 joules…

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Q: The specific heat capacity of a pure substance can be found by dividing the heat needed to change…

A: Given - Heat capacity of the substance = 4.78Jg.°C            Mass of the substance = 189 g…

Q: In a coffee-cup calorimeter, 140.0 mL of 1.2 M NaOH and 140.0 ml of 1.2 M HCI are mixed. Both…

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Q: When 23.6g of calcium chloride, Was dissolved in water in a constant pressure calorimeter, the…

A: For heat capacity ,heat and temperature ,there is a relation for all: q=c×△TWhere:q= Heat…

Q: Part C at A piece of metal weighing 5.50 g at a temperature of 47.8 °C was placed in a calorimeter…

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Q: 6. A 128g piece of Iridium at 95 C is dropped into a 45.2g of water at 17.3 C. The final temp of the…

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Q: . A 50.0g sample of water is heated from 25.0 °C to 75.0 °C. Calculate the amouunt of heat energy…

A: In the given question, mass of water is given and the temperature change is given.  We have to…

Q: Determine the heat released or abosorbed in J during the dissolving process when calcium chloride…

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

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Q: 3. Sodium hydroxide gives off 44.5 kJ of heat per mol when dissolved in water. Write the balanced…

A: An EXOTHERMIC ( heat is released) thermochemical reaction equation is written as Reactants…

Q: An ideal gas ina cylinder fitted with a piston expands at constant temperature from a pressure of 7…

A: When a gas expands the work will be done by the gas on the surrounding. When the work is done by the…

Q: Give typed full explanation not a single word hand written otherwise leave it

A: For an ideal gas, work done (dW) is given by: dW=-Pex(V2-V1) Here Pex is the external pressure…

Q: 4. A 10.0 gram piece of Al, originally at 100°C, is dropped into a calorimeter cup containing 100.0…

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Q: Suppose that the molar enthalpy of a reaction is -40.95 kJ/mol and 3.144 moles are reacted. How many…

A: The energy released or absorbed per mole of solute dissolved in a solvent is known as molar heat of…

Q: If 20.0 ml of 3.0 M HCl solution and 20.0 ml of 3.0 M NaOH solution at 215Care mixed in a…

A: Given data  Volume of HCl = 20.0 mL Molarity of HCl = 3.0 M Volume of NaOH = 20.0 mL Molarity of…

Q: A solution is made by mixing252.0 mL of ethanol initially at 11.0 ∘C11.0 ∘C with 252.0 mL252.0 mL of…

A: According to law of conservation of energy,

Q: 25.0 mL of 1.00 M HCl at 24.3°C react with 25.0 mL 1.00 M NAOH in a styrofoam calorimeter whose…

A: Using the energy conservation , in calorimeter  heat given in the reaction of neutralisation =heat…

Q: A 21.74 g sample of a substance is initially at 24.4 °C. After absorbing 2903 J of heat, the…

A: A numerical problem based on thermodynamics that is to be accomplished.

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: In a coffee-cup calorimeter, 130.0 mL of 1.0 M NaOH and 130.0 mL of 1.0 M HCl are mixed. Both…

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Q: A student heats 61.30 grams of lead to 98.08 °C and then drops it into a cup containing 82.53 grams…

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Q: 300mL of a 2.500 M solution X was mixed with 300.0 mL of a 2.500 M solution Y in a calorimeter. Both…

A: Given that,  Volume of 0.2500 M X solution  = 300 mL Volume of 0.2500 M Y solution = 300 mL Total…

Q: In a calorimetry experiment similar to the one performed today, a student used 50.0 mL of 1.0 M NaOH…

A: Since you have posted multiple questions, we are entitled to answer the first only. 5) Given:…

Q: What is the specific heat of 50.00g of a metal that raises 100.0mL of water in a calorimeter from…

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Q: In a coffee-cup calorimeter, 140.0 mL of 1.4 M NAOH and 140.0 mL of 1.4 M HCİ are mixed. Both…

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