When 5.75 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the temperature of the water rose by 4.22°C. How many grams of each substance was in the mixture? Include the mass of salts in calculation of heat generated. g NH4CI = 5.74 g CaCl2 = 0.44

When 5.75 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the temperature of the water rose by 4.22°C. How many grams of each substance was in the mixture? Include the mass of salts in calculation of heat generated. g NH4CI = 5.74 g CaCl2 = 0.44

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

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

Q: In a constant-pressure calorimeter, 70.0 mL of 0.340 M Ba(OH), was added to 70.0 mL of 0.680 M HCI.…

A: Total volume = 70.0+70.0 mL = 140 mL Specific heat = 4.184 g/mL Mass = 4.184g/mL × 140 mL = 585.76 g…

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

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

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: 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 common laboratory reaction is the neutralization of an acid with a base. When 40.3 mL of 0.500 M…

A: The volume of HCl = 40.3 mL OR 0.0403 L The molarity of HCl = 0.5 M The volume of NaOH = 75 mL or…

Q: A new metal alloy was created in the laboratory for use in applications where a strong but light…

Q: A student determines the heat of dissolution of solid calcium bromide using a coffee- cup…

A: Given,mass of CaBr2 = 1.62 gmass of water = 106.00 gInitial temperature = 25.00 oCFinal temperature…

Q: When 5.40 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given Mass of NH4Cl = 1.78 g Mass of CaCl2 = 3.26 g

Q: 7. For the following scenarios what is the metal? a. A piece of metal weighing 59.047 g was heated…

A: Given,a, mass of metal = 59.047 gInitial temperature of metal = 100.0 oCvolume of water = 100.0…

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

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

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

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 63.40 gram mass taken from an unknown metal at 87.80 80C is placed in a calorimeter…

A: The specific heat capacity is calculated by the formula, Q=m.c.∆T Q is the energy transferred m is…

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

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 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…

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: 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…

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

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 47.3 g…

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 6.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A: The question is based on the concept of specific heat capacity.It is defined as the amount of heat…

Q: A 2.59 g sample of a substance suspected of being pure gold (Cs = 0.128 J g−1°C−1) is warmed to 81.3…

A: The objective of this question is to determine the heat capacity of an unknown substance, suspected…

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

Q: When 5.54 g of a solid mixture composed of NH.Cl and CaCl2 was dissolved in 100.0 mL of water, the…

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

A: The mass of KBr is .The total heat capacity is .The decrease in temperature is .To find, the molar…

Q: 40.0 g of an unknown metal at 100.0°C is added to 50.0 g of water at 30.0°C. When the system reaches…

A: Mass of metal = 40.0 g Mass of water = 50.0 g

Q: In a coffee cup calorimeter, 50.0 mL of 1.00 M NaOH and 50.00 mL of 1.00 M HCl are mixed. Both…

A: The given informations are recorded as shown below,

Q: 4.44°C

A: Given that : The mass of the solid mixture = 4.81 g The volume of water = 100.0 mL The rise in…

Q: 50.0 mL sample of a 1.00 MM solution of CuSO4CuSO4 is mixed with 50.0 mL of 2.00 MM KOHKOH in a…

A: The given reaction is, CuSO4+2KOH→CuOH2s+K2SO4 The given volume of CuSO4 is 50 mL. Volume of KOH is…

Q: Potassium nitrate, KNO3, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 41.8 g…

Question

X Incorrect. Be sure to balance all the dissolution equations to make sure you get the correct values for the enthalpies.
When 5.75 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the temperature of the water rose
by 4.22°C. How many grams of each substance was in the mixture?
Include the mass of salts in calculation of heat generated.
g NH4CI =
5.74
g Cačl2 =
0.44

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

4. The reaction of 250.0 mL of a 1.00 M hydrochloric acid solution with 250.0 mL of a 1.00 M sodium hydroxide solution was carried out in a constant pressure calorimeter. The total heat capacity of the calorimeter plus solutions was 6.45 kJ/K. The temperature of the calorimeter and solutions increased by 2.11°C. What is AH (in kJ) for the neutralization of 1.00 mol HCl(aq) by NaOH(aq)? A) -54.4 B) -21.2 +12.6 +54.4 E) -12.6
During an experiment, a student adds 1.05 g of calcium metal to 200.0 mL of 0.75 M HCI. The student observes a temperature increase of 17.0 °C for the solution. Assuming the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the specific heat is 4.184 J/(g.°C), calculate the heat of the reaction, AHrxn - Ca(s) + 2 H*(aq) → Ca+(aq) + H, (g) %3D kJ/mol
NW113AACE04-21 3. a hunk of metal-like substance was found in an archeological site. In an attempt to identify it, the metal was heated and placed in a calorimeter containing water and determined the specific heat of the metal. If the specific heat of the metal is 0.448 J/g °C, what is the approximate molar mass (atomic mass) and likely identity of the metal? (Hint: compare the molar mass (atomic mass) of metal that of metals in periodic table)
A 1.75 g sample of zinc metal is reacted with 128 g of 1.10 M hydrochloric acid solution in a constant-pressure calorimeter. The resulting solution changes in temperature from 22.58 °C to 22.97 °C. The hydrochloric acid is in excess. Based on this information, and estimating the solution's heat capacity as 4.18 Jg1 °C, what is the amount of heat, in joules, transferred in this reaction?
When 1.836 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the temperature of the calorimeter increases from 22.41°C to 26.63°C. If the heat capacity of the calorimeter is 4.900 kJ/°C, what is the heat of combustion of sucrose?
A quantity of 85.0 mL of 0.600 M HCl is mixed with 85.0 mL of 0.600 M KOH in a constant-pressure calorimeter. The initial temperature of both solutions is the same at 17.35°C, and the final temperature of the mixed solution is 19.02°C. What is the heat capacity of the calorimeter? Assume that the specific heat of the solutions is the same as that of water and the molar heat of neutralization is −56.2 kJ/mol.
Iron has a specific heat capacity of 0.444J/g-C. 50.0 g of iron at 35C is added to 50.0 g of water with a specific heat capacity of 4.184 J/g-C. When the temperature of the resulting mixture stops changing, the temperature is closer to that of the original water than to the iron. True or false?
100.0 mL of 1.00 M HBr at 22.5 °C is combined with 100.0 mL of 1.00 M LiOH at 22.5 °C. The mixture reaches a temperature of 29.2 °C. Assume the density of the solutions is 1.00 g/mL and their specific heat capacity is the same as pure water. What is the molar heat of reaction?
Use the References to access important values if needed for this question. A student determines the heat of dissolution of solid potassium bromide using a coffee-cup calorimeter of negligible heat capacity. When 6.36 g of KBr(s) is dissolved in 115.00 g of water, the temperature of the solution drops from 25.00 to 22.71 °C. Based on the student's observation, calculate the enthalpy of dissolution of KBr(s) in kJ/mol. Assume the specific heat of the solution is 4.184 J/g°C. AHdissolution = kJ/mol Submit Answer 5 question attempts remaining
When a 7.00 g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity of 5.28 kJ⋅K^-1, the temperature decreases by 0.330 K Calculate the molar heat of solution of KSCN.
In a constant‑pressure calorimeter, 60.0 mL of 0.320 M Ba(OH)2 was added to 60.0 mL of 0.640 M HCl.The reaction caused the temperature of the solution to rise from 24.50 ∘C to 28.86 ∘C. If the solution has the same density and specific heat as water (1.00 g/mLand 4.184J/g⋅°C, respectively), what is ΔH for this reaction (per mole H2O produced)? Assume that the total volume is the sum of the individual volumes. ΔH= _________ kJ/mol H2O
A 44.0 g sample of unknown metal at 99.0°C was placed in a constant-pressure calorimeter containing 80.0 g of water at 24.0°C, the final temperature of the system was found to be 28.4°C. Calculate the specific heat of the metal.