A 148.8-g sample of a metal at 74.0°C is added to 148.8 g H2O  at 15.5°C. The temperature of the water rises to 18.6°C. Calculate the specific heat capacity of the metal, assuming that all the heat lost by the metal is gained by the water. The specific heat capacity of water is 4.18 J/°C·g. Specific heat capacity =   J/°C·g

Q: A 75.0 gram piece of titanium is heated to a temperature of 98.40ºC. The metal is then dropped into…

A: Write the expression of heat change due to the change in temperature. ∆H=ms∆t Where ∆H is the heat…

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Q: Consider the dissolution of CaCl2: CaCl2 (s) → Ca²+ (ag) +2 Cl¯(ag) AH=-81,5 kJ An 11.8-g sample of…

A: When a solute is dissolved in solvent to form a solution is called dissolution. It measures the…

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Q: A 150.0-g sample of a metal at 67.0°C is added to 150.0 g of H₂O at 20.0°C. The temperature of the…

A:

Q: In a coffee-cup calorimeter, 140.0 mL of 1.3 M  NaOH and 140.0 mL of 1.3 M  HCl are mixed. Both…

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Q: A 31.55 g iron rod, initially at 22.7 °C, is submerged into an unknown mass of water at 63.2 °C, in…

A:

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

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Q: A 149.5-g sample of a metal at 75.5°C is added to 149.5 g H₂O at 15.6°C. The temperature of the…

A: Mass of Water, m = 149.5 gspecific heat of water, s = 4.184 J/goCinitial temperature, T1 = 15.6…

Q: A coffee cup calorimeter contains water at an initial temperature of 20.0 °C and the whole apparatus…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of1 kg substance…

Q: A 148.9-g sample of a metal at 74.0°C is added to 148.9 g H20 at 14.4°C. The temperature of the…

A:

Q: A scientist is attempting to determine the specific heat capacity of a newly discovered metal. To do…

A: We have to calculate the specific heat of metal.

Q: A 148.9-g sample of a metal at 74.6°C is added to 148.9 g   at 14.7°C. The temperature of the water…

A: The mass of the metal is .The initial temperature for metal is .The final temperature for metal is…

Q: Dissolving 3.0g of CaCl2 in 150.0g of water in a calorimeter at 22.4oC causes the temperature to…

A: Given,  Mass of CaCl2 = 3 g  Molar mass of CaCl2 = 110.98 g/mol Mass of Water, m = 150 g  Initial…

Q: 151.0-g sample of a metal at 75.0°C is added to 151.0 g H20  at 14.2°C. The temperature of the water…

A: Solution:     Specific heat is defined as the amount of heat required to raise the temperature of a…

Q: A 151.8-g sample of a metal at 74.0°C is added to 151.8 g   at 15.8°C. The temperature of the water…

A: Given : Mass of water = 151.8 g Mass of metal = 151.8 g Initial temperature of water = 15.8 oC Final…

Q: 58.2 g sample of Sn metal at 91.1°C was dropped into 70.4 g of H2O at 20.7°C, and after the…

A: We will use calorimetry principle

Q: A piece of unknown metal with a mass of 22.03 g is heated in boiling water to 90.34°C and then…

A: Given;

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A:

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: A 149.6-g sample of a metal at 75.0°C is added to 149.6 g H2O  at 14.0°C. The temperature of the…

A: Given For metal, mass(m)=149.6 g Initial temperature(Ti)=75℃ Final temperature(Tf)=30℃ Specific…

Q: A piece of unknown metal with a mass of 18.01 g is heated in boiling water to 98.9°C and then…

A:

Q: Consider the dissolution of CaCl2 : CaCl2 (s) → Ca2+ (ag) + 2 C1-(ag) AH = -81.5 kJ An 11.7-g sample…

A: ΔH = -81.5 kJ of 1 mol CaCl2 Molar mass of CaCl2 = 110.98 g /mol Moles of CaCl2 present in solution…

Q: A piece of iron (mass = 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: Given,Mass of iron (m1) = 25 gInitial temperature of iron (Ti) = 398 KSpecific heat capacity of iron…

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 50.0-g sample of a copper-zinc alloy is heated to 100.0oC. The hot metal is quickly added to 100.0…

A: Specific heat capacity is the amount of heat in Joules is required by the substance to raise its…

Q: coffee-cup calorimeter is filled with 150.0 mL of water at 22.1 °C. A piece of metal at 121.4 °C…

A:

Q: A 1.00-g sample of hexane, C6H14, undergoes complete combustion with excess O2 in  a bomb…

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Q: A 93.82 g bar of iron was heated to 98.4 °C and then dropped into 38.1 mL of water at 15.3 °C.  The…

A:

Q: A piece of copper metal (mass = 35.0 g) at 120 °C is placed in a Styrofoam coffee cup containing…

A: We have to calculate the final temperature of water