Based on the thermodynamic properties provided for water, determine the energy change when the temperature of 1.05  kg of water decreased from 119  °C to 18.0  °C.    Property Value Units Melting point 0 °C Boiling point 100.0 °C ΔHfus 6.01 kJ/mol ΔHvap 40.67 kJ/mol cp (s) 37.1 J/mol · °C cp (l) 75.3 J/mol · °C cp (g) 33.6 J/mol · °C

Q: A student performed this experiment by mixing 50.0 mL of 2.0 M NaOH solution with 50.0 mL of 2.0  M…

A: Given: Concentration of NaOH reacting = 2.0 M Volume of NaOH solution = 50.0 mL = 0.050 L…

Q: What is the enthalpy of formation of water under standard state conditions? (See Appendix |I of your…

A: Enthalpy of formation is change in enthalpy during formation of compound from its constituent…

Q: If 55.5 g of KBr are dissolved in 400.0 g of water at 25.0 °C in an insulated container, a…

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Q: If 27.5 g of MgCl₂ are dissolved 500.0 g of water at 20.0 °C in an insulated container, a…

A: Given that, The mass of the MgCl2 is 27.5 g. The mass of the water is 500.0 g. So, the total mass of…

Q: What would be the final temperature of 231.6mL of NaCI solution upon releasing 24.1kJ of energy to…

A: The heat released/absorbed is calculated by using the formula : q = mCsΔT q = Heat released/absorbed…

Q: What is the final temperature of 100.0 g of zinc at 95°C put into 50.0g of water at 17°C.  Specific…

A: Given data,Mass of Zn=100 gMass of H2O=50 gInitial temperature of Zn=95oCInitial temperature of…

Q: 9.91 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70 °C.…

A: Please find your solution below : Enthalpy of dissolution is defined as the change in enthalpy…

Q: Calculate the kinetic energy, in J/mol, of 1.00 mol of gaseous water molecules at the boiling point…

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Q: What is the minimum amount of energy required to heat 145 grams of water to the boiling point of…

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Q: 10.5 g of solid ammonium nitrate are dissolved into a 100.0 g sample of water. The standard enthalpy…

A: Ammonium nitrate is a solid salt it can dissolve in the water .then it can ionise as ions  and AC as…

Q: A 0.562 g sample of KCl is added to 35.8 g of water in a calorimeter. If the temperature decreases…

A: The heat capacity of the resulting solution is 4.18 J/goC, which states that 4.18 J of energy will…

Q: When 11.55 grams of ammonium nitrate (NH₄NO₃) are dissolved in 100.0 grams of water at 25.0 °C in an…

A: Given:Mass of NH4NO3 = 11.55 gMass of water = 100 gInitial temperature = 25oCFinal temperature =…

Q: Dissolving 3.04 g of CaCl₂(s) in 158.9 g of water in a calorimeter at 22.3 °C causes the temperature…

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Q: Calculate the heat released when 1.735 L O2 with a density of 1.11 g/L at 25°C reacts with an excess…

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Q: 6.41 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

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Q: An increase in water temperature is observed when 1.97 g of NaOH is added. The enthalpy change for…

A: Given: The mass of NaOH added = 1.97 g The enthalpy change of the reaction = -2.19 kJ An increase in…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

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Q: A student performed the procedure described in the lab manual using 49.9 mL of 1.0 M HCI and 49.3 mL…

A: Molarity of HCl = 1.0 MVolume of HCl: 49.9 mLMolarity of NaOH = 1.0 MVolume of NaOH = 49.3 mLInitial…

Q: Water has a heat of vaporization (ΔHvap) of 40.8 kJ/mol. What is the change in energy of 10.0 g of…

A: The amount of heat required by water to change from liquid phase to vapor phase by means of…

Q: In an ideal calorimeter, 10.00 mL of 3.00 M NH3 is reacted with 5.000 mL of 3.00 M HNO3. The initial…

A: Heat energy associated with this rise in temperature = m*C* ΔT where  m = mass of the solution C =…

Q: What is the final temperature of 100.0 g of zinc at 95°C put into 50.0g of water at 25°C.  Specific…

A: Given that,  The mass of water is mw = 50.0 g. The mass of zinc is mzn = 100.0 g. The temperature of…

Q: If 80.5 g of KBr are dissolved in 400.0 g of water at 25.0 °C in an insulated container, a…

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Q: When 9.85 grams of potassium hydroxide (KOH) are dissolved in 150.0 grams of water at 25.0 °C in an…

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Q: Consider that 53.0 g of water at 63.28°C was cooled by the removal of 900J of heat. Calculate the…

A: Specific heat is the quantity of heat required to raise the temperature of a one gram substance by…

Q: 10.01 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A: Given data: 10.01 g of MgSO₄ 100.0 mL of water density of the water is 1.00 g/mL specific heat of…

Q: If 29.00 g of aluminum at 76.45 °C is dropped into 125.7 g of water at 34.04 °C, what will be the…

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Q: When a 8.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: Suppose 23.00 g ammonium chloride (53.491 g/mol) dissolves in water in a calorimeter to form 100.00…

A: Given,Mass of ammonium chloride ( NH4Cl ) =23.00 gMolar mass of ammonium chloride ( NH4Cl ) =53.491…

Q: 9.71 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A: Here we are required to  find the Enthalpy of dissolution of MgSO4.

Q: A common technique for forming metal electrodes on electronic devices is evaporation in a vacuum. In…

A: Given Data: The enthalpy of vaporization (ΔHvap) for gold = 310.9 kJ/mol given mass of  liquid gold…

Q: 8.11 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70 °C.…

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Q: 18.61 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A: The heat evolved in the dissolution of MgSO4 is being used by the solution to rise its temperature.…

Q: 10.71 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A: density is defined as the mass of an object upon the volume of spaced occupied density d = mass of…

Q: What is the amount of heat energy in joules required to raise the temperature of 10.00 g water…

A: The required relation is given below.

Q: Fermentation of glucose produces ethyl alcohol and carbon dioxide; C 6H 12O 6(l) → 2 C 2H 5OH(l) + 2…

A: The fermentation of the species glucose can be decomposed into the species carbon dioxide along with…

Q: 50.0 mL of hot water (49.6 oC) is added to 50.0 mL of cold water (24.7 oC).  Upon mixing the water…

A: Mass of hot water = 50 mL =50g Temperature of hot water = 49.5°C Mass of cold water = 50 mL = 50 g…

Q: When a 8.00 g8.00 g sample of KClKCl is dissolved in water in a calorimeter that has a total heat…

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Q: Calculate the total energy in kJ required to change the temperature of 591 g water from 96.0  oC to…

A: The process of cooling water from  96.0  oC to -111 oC will have below steps. 1) cooling hot water…

Q: 67.0 mL of hot water (45.4 oC) is added to 45.0 mL of cold water (22.3 oC).  Upon mixing the water…

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Q: 3.61 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

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Q: Water exists as a liquid at room temperature (25.0°C). If 300 kJ of heat energy is added to 100 g…

A: Answer:Increasing the temperature of liquid water up to its boiling pointVaporization of…

Q: If a 136.51 g Al rod (c = 0.900 J/g°C) is at 100.0°C and placed into 250.0 g of water at 21.8°C,…

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