When a 6.00 g6.00 g sample of KSCNKSCN is dissolved in water in a calorimeter that has a total heat capacity of 3.18 kJ⋅K−1,3.18 kJ⋅K−1, the temperature decreases by 0.470 K.0.470 K. Calculate the molar heat of solution of KSCN.

Q: When a 4.00 g sample of KSCNKSCN is dissolved in water in a calorimeter that has a total heat…

A: Mas of KSCN = 4.00 g heat capacity = 3.83 kJ⋅K−1 change in temperature = 0.260 K

Q: When a 6.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A: Heat of solution is directly proportional to the the temperature change.

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

A: Given : Mass of KCl dissolved = 8 g Total heat capacity of calorimeter = 6.15 KJ/K And change in…

Q: When a 5.00 g5.00 g sample of KClKCl is dissolved in water in a calorimeter that has a total heat…

A: Given : Mass of KCl dissolved = 5.00 g Total heat capacity of calorimeter = 4.12 KJ/K And the change…

Q: The molar heat of solution of a substance is found to be +21.38 kJ/mol. The addition of 0.100 mol of…

A: Given information: Moles = 0.100 mol Molar heat of solution = +21.38 kJ/mol Temperature = 40.0 °C

Q: When 1.31 g of KClO3 was added to 138.34 g of water in a calorimeter, the  temperature dropped by…

A: mass of KCIO3 = 1.31 g mass of water = 138.34 g Temperature dropped = 0.506 °C Heat capacity of H2O…

Q: When a 7.00 g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: When 1.3 g of KClO3 was added to 151.1 g of water in a calorimeter, the temperature dropped by 0.588…

A: Given, Mass of KClO3= 1.3g Mass of water= 151.1g Temperature dropped(dT)=0.588°C  The heat capacity…

Q: When 1.34 g of KClO3 was added to 142.07 g of water in a calorimeter, the  temperature dropped by…

A: mole = massmolar mass heat = m * s * ∆Twherem = mass of solutions = specific heat of solution∆T =…

Q: When a 4.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A: Heat of solution is the heat absorbed or given out when the salt is dissolved.

Q: A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the…

A:

Q: When a 7.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: When a 4.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A: Given,4.00 g sample of KBrTotal heat capacity of 3.04 kJ K-1.The temperature decreased by 0.220…

Q: When a 3.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A:

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

A:

Q: In the laboratory a general chemistry student finds that when 0.73 g of KOH(s) are dissolved in…

A: The given mass of KOH = 0.73 g The given mass of water = 100.40g Total mass of the solution (m) =…

Q: When 1.18 g of KClO3 was added to 149.35 g of water in a calorimeter, the  temperature dropped by…

A: Given:Mass of water = 149.35 g.Mass of KClO3 = 1.18 g.specific heat of the solution = specific heat…

Q: A chemist dissolved an 12.9-g12.9-g sample of KOHKOH in 100.0 grams100.0 grams of water in a coffee…

A: A.) To calculate the heat required , we would use the formula , q = m × C × dT  B.) To calculate the…

Q: When a 2.00 g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity…

A: The molar heat is the quantity of heat required by one mole of a substance to raise its temperature…

Q: When a 3.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

A: Heat capacity is defined as the total amount of heat supplied to a body to bring a unit change in…

Q: When a 7.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A:

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

A:

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

A:

Q: A sample of 17.1g of solid with molar mass 71.9g/mol is dissolved in 331g of water initially at…

A: Given: Mass of water= 331 g Tf= 26.8°C Ti= 22.5°C

Q: In a coffee-cup calorimeter, 1.59 g NH4NO3 is mixed with 74.3 g water at an initial temperature of…

A: Enthalpy change of dissolution is calculated as : ∆H = - q / n  where , n = moles  q = heat of…

Q: A sample of 17.1 g of solid with molar mass 71.9 g/mol is dissolved in 331 g of water initially at…

A: The heat of a substance is given as :

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

A: The molar heat of the solution tells about the energy released or absorbed for every mole of a…

Q: When a 7.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: When a 3.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

A: First we need to calculate the heat using heat capacity and temperature change.  Then we need to…

Q: Heat released by the reaction, qrxn (J) Use the equation qrxn = –msoln×Csoln× ΔTsoln. Assume the…

A: Given,  Initial temperature = Ti = 25.00 °C  Final temperature = Tf = 31.37 °C  Change in…

Q: If 2.36 g of calcium dichloride dissolves in 84.00 g of water in a kalorimeter at a constant…

A: 2.36 g of calcium dichloride dissolves in 84.00 g of water Mass of solution = mass of CaCl2 + mass…

Q: When a 7.00 g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity…

A: The total heat of the solution is calculated by the multiplication of heat capacity with the…

Q: When a 6.00 g6.00 g sample of KClKCl is dissolved in water in a calorimeter that has a total heat…

A: Given, mass of KCl = 6.0 g Total heat capacity = 4.47 kJ/K ∆T =0.310 K Molar heat of solution is…

Q: When a 3.00 g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: When a 6.00 g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity…

A: Given a 6.00 g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity…

Q: 1.15 g of LiCl (42.39 g/mol) is dissolved in 25.0 g H2O in a constant-pressure calorimeter and the…

A: Given that 1.15 g LiCl was dissolved in 25.0 g water. Number of moles can be calculated from the…