When 5.28 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the temperature of the water rose by 4.91°C. How many grams of each substance was in the mixture? Include the mass of salts in calculation of heat generated.

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: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

A: Since the temperature change in positive, heat is absorbed by the solution and released by the…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: A 50.0-mL sample of a 1.00 M solution of is mixed with 50.0 mL of 2.00 M KOH in a calorimeter. The…

A: Given: Volume of CuSO4 solution = 50.0 mL = 0.050 L                                 (Since 1 L =…

Q: When 100. mL of 1.00 M Ba(NO3)2 solution is mixed with 100. mL of 1.00 M Na₂SO4 (both solutions…

A:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

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…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: A generic solid, X, has a molar mass of 78.7 g/mol. In a constant-pressure calorimeter, 21.2 g of X…

A: Given,  Molar mass of solid X = 78.7 g/mole  Mass of X = 21.2 g  Mass of H2O = 299 g  Initial…

Q: A 434.5 g sample of water at 20.0 °C is mixed with 100.0 g of a certain metal at 95.0 °C. After…

A: to find Cp for this metal use this above ,Heat lost by the metal = heat gained by the water Given…

Q: 4. A 5.00 gram sample of an unknown metal was placed in a beaker of boiling water (99.58 °C). After…

A:

Q: During an experiment, a student adds 1.23 g CaO to 200.0 mL of 0.500 M HCI. The student observes a…

A:

Q: A student carefully places a piece of metal at a temperature of2.0 °C into 50.0 g of water at a…

A: Given that   Initial temperature of metal = 2.0 °C   Initial temperature of water = 65.5 °C   Final…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: When 4.51 g of a solid mixture composed of NH¼CI and CaCI2 was dissolved in 100.0 mL of water, the…

A:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: We have find out the enthaply of dissolution of MgCl2.

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

A: Given, mass of metal = 133.3 g Initial temperature of metal , Tim=81.3°C volume of water = 112.0 mL…

Q: When 4.88 g of a solid mixture composed of NH¼CI and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given that : The mass of the solid mixture = 4.88 g The volume of water = 100.0 mL The rise in…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Mass of water = 107.20g Mass of K2SO4 = 7.63 Molar mass of K2SO4 = 174.27 g/mol Mass of solution =…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Since the temperature of the solution is increased, heat is released by the dissolution reaction of…

Q: When 4.81 g of a solid mixture composed of NH4CI and Cačl2 was dissolved in 100.0 mL of water, the…

A: Please find your solution below :

Q: A 4.77 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Given information: Mass of unknown sample = 4.77 g Mass of water = 150.00 g Initial temperature =…

Q: 1) Glucose, C6H12O6 (MM = 180 g/mol), is converted into ethyl alcohol, C2H5OH(l) in the fermentation…

A:

Q: The neutralization reaction between sodium hydroxide and hydrochloric acid forms water and sodium…

A: Answer:- this question is answered by using the simple concept of calculation of heat change using…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

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 4.88 g of a solid mixture composed of NH4CI and CaC2 was dissolved in 100.0 mL of water, the…

A: When another component is added to a liquid (a solvent), the boiling point of the liquid (a solvent)…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: None

A: Given reaction:X(NO3)2 (aq) + 2NaCl (aq)  →  XCI2 (s) + 2NaNO3 (aq) First, lets' calculate the moles…

Q: When 5.69 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given that

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: How much heat was absorbed by the solution?

A: For constant pressure calorimeter, we know that The heat absorbed by the calorimeter is given by…

Q: A generic solid, X, has a molar mass of 61.8 g/mol. In a constant-pressure calorimeter, 18.6 g of X…

A:

Q: When a solid dissolves in water, the solution may become hotter or colder. The dissolution enthalpy…

A:

Q: A 50.0 mL solution of 1.2 M HCl at 24.1oC is mixed with 50.0 mL of 1.3 M NaOH, also at 24.1oC, in a…

A: HCl = 50.0 mL x 1.2 M = 60 mmol = 0.060 mol NaOH = 50.0 m X 1.3 M = 65 mmol = 0.065 mol here HCl and…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Answer: Given that: Heat capacity of calorimeter C=1.83J/°C Increase in temperature of calorimeter…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: A calorimeter contains 24.0 mL of water at 11.0 °C. When 2.20 g of X (a substance with a molar mass…

A:

Q: When 15.0 mL of 3.00 M NaOH was mixed in a calorimeter with 12.5 mL of 3.00 M HCl, both initially at…

A: Given,Molarity of NaOH = 3.00 Mvolume of NaOH = 15.0 mLMolarity of HCl = 3.00 Mvolume of HCl = 12.5…

Q: In the laboratory a general chemistry student finds that when 9.01 g of K2SO4(s) are dissolved in…

A: Heat capacity is defined as the amount of heat that raises the temperature of a substance by 1…

Q: Calcium hydroxide is prepared by adding calcium oxide to water: CaO (s) + H2O (l) → Ca(OH)2 (s)…

A: Given, Calcium hydroxide is prepared by adding calcium oxide to water: CaO (s) + H2O (l) → Ca(OH)2…