A container filled with 7.81 kg of water underwent a temperature change from 24.19 "C to 28.08 °C. How much heat, measured in kilojoules, did the water absorb? (The specific heat of water is 4.18-J-g 1.°C ). kJ

Q: When 10.0 g KOH is dissolved in 100.0 g of water in a coffee-cup calorimeter, the temperature rises…

A: Coffee-Cup calorimeter is a device which is used to measure the enthalpy of chemical process at…

Q: A water bath is used to heat flammable chemicals in the laboratory while avoiding the risk of…

A: Heat is transferred from the higher temperature to lower temperature is called as the thermal energy…

Q: calorimeter containing 837 mL of 1.10 M acid, where the acid has a 1 to 1 molar ratio with sodium…

A: We will calculate ∆H in Kj/mol

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…

A:

Q: In a coffee-cup calorimeter, 29.8 g sample of solid KCl is dissolved in 100.0 g of water at 15.0 °C.…

A: Heat of solution :- It is measured by the change of enthalpy during formation of solution. This can…

Q: 5.2 g of NaOH is added to a coffee cup calorimeter containing 861 mL of 1.10 M acid, where the acid…

A: Given molarity of acid = 1.10 M  Volume = 861 mL  Density of the solution = Density of water = 1.0…

Q: A 44.3 g sample of water at 100.00 °C (specific heat of water = 4.184J/g.°C) was placed in an…

A:

Q: 8. The reaction below was carried out in a calorimeter initially at 22.0 °C. After 0.0180 g of iron…

A:

Q: When 10.6 g NaOH dissolves in 232 g of water in a coffee-cup calorimeter, ΔH = −42.6 kJ/mol. The…

A: To calculate the final temperature of a solution of sodium chloride in water.

Q: In a coffee-cup calorimeter, 23.8 g sample of solid KBr is dissolved in 100.0 g of water at 15.0 °C.…

A: Given mass of water = 100 g Mass of KBr = 23.8 g Molar mass of KBr = 119 g/mol specific heat (C) =…

Q: 5.04 x 10-3 mole of a compound is added to 41.0 g of water in a styrofoam cup and stirred until it…

A: Given,Mass of water = 41.0g.Temperature change = 23.4600C – 23.4200C…

Q: A sample of 23.9g of ammonium nitrate, NH&NO3. was dissolved in 133.8 g of water in a coffee cup…

A: Given Mass of NH4NO3 =m = 23.9 gMass of water = Mw = 133.8 gInitialTemperature = T1 = 28.1°CFinal…

Q: If 325 g of water at 4.2C absorbs 12.28 kJ, what is the final temperature of the water? The specific…

A:

Q: What is the enthalpy change in kJ of a chemical reaction that raises the temperature of 250.0 mL of…

A: We have to calculate the enthalpy change

Q: The temperature of an object increases by 39.4 °C when it absorbs 3715 J of heat. Calculate the heat…

A: Given, Mass of the object (m) = 393 g Change in temperature (∆T) = 39.4 °C  Heat absorbed (Q) = 3715…

Q: A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a…

A: During calorimetry, the heat lost by the hot water (qhot) will be the sum of heat energy gained by…

Q: During an experiment, 25 g of 0.32 M Ca(NO3)2 at 42°C is added to 103 g of 0.82 M HNO3 at 37°C in a…

A: 25 g of 0.32 M Ca(NO3)2 at 42◦ C are mixed with 103 g of 0.82 M HNO3 at 37◦ C . The increase in…

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

A:

Q: In a Calorimetry experiment, a chemical reaction causes the temperature of the solution in the…

A: The heat released can be measured by product of mass of substance with specific heat ad change in…

Q: A sample of 27.8 g of ammonium nitrate, NHẠNO3, was dissolved in 130.2 g of water in a coffee cup…

A: Given,  Mass of NH4NO3 = 27.8 g  Mass of water = 130.2 g  Initial temperature, Ti = 28.94 °C  Final…

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

A: First we would calculate the heat generated by combustion of given mass of propane.  Then we would…

Q: Commercial cold packs consist of solid ammonium nitrate and water. NH4NO3 absorbs 25.69 kJ of heat…

A: Interpretation - The final temperature of the solution is to be calculated.

Q: When 10.99 g KOH is dissolved in 101.9 g of water in a coffee-cup calorimeter, the temperature rises…

A: When definite amount of substance in any reaction transforms into products, release or absorption of…

Q: The combustion of 1.048 g of benzene (C,H6) in a bomb calorimeter surrounded by 945 g of water…

A:

Q: A fuel was used to heat water in a calorimetry experiment. When butane was burnt, 96070.0 J of heat…

A: Ans is given below

Q: What is the heat, q, in joules transferred by a chemical reaction to the reservoir of a calorimeter…

A: In order to find the amount of heat transferred we first write down the given data: Mass= 105 g. c=…

Q: A 5.71 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Mass of unknown salt dissolved in 150.00 g of water = 5.71 g Molar mass of the salt  = 116.82 g/mol…

Q: A piece of molybdenum metal whose mass is 6.87 g is heated to 100.0 °C and then dropped into an ice…

A: The molar heat capacity is the amount of heat required to increase the temperature of one gram…

Q: When 6.54 grams of Zn is placed in 500.0 mL of 1.00 M CuSO4(aq) in a coffee cup calorimeter, it…

A: Given data,Mass of Zn=6.54gMolarity of CuSO4=1.00MVolume of CuSO4=500mL=0.5LTemperature…

Q: During an experiment, a student adds 0.339 g of calcium metal to 100.0 mL of 2.05 M HCI. The student…

A: Given data,Mass of Ca=0.339gMolarity of HCl=2.05MVolume of HCl=100mL=0.1LVolume of…

Q: When 14.2 g KBr is dissolved in 100.0 g of water in a coffee-cup calorimeter, the temperature drops…

A:

Q: A metal with a specific heat of 0.899 J/g oC had an initial temperature of 76.67 oC. When it was…

A: The heat transferred during the reaction can be determined from the given equation. The temperature…

Q: When a reaction that was known to release 17.55 kJ of heat took place in a calorimeter and…

A:

Q: When a 6.50 g sample of solid sodium hydroxide dissolves in 100.0 g of water in a coffee cup…

A: Heat added to the system or Quantity of heat released from the reaction:

Q: A block of iron weighing 3.50 kg at a temperature of 107.0 °C was inserted into a container…

A: Heat given = heat taken m1 . s1 (T1 - T) = m2 . s2 (T - T2)

Q: Calculate the energy content (in Joules) of a 1.00 g of food product that is placed inside a…

A: