A 24.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 85.0 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. (The heat capacity of the calorimeter is 12.4 J/°C.) J/g °C

A 24.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 85.0 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. (The heat capacity of the calorimeter is 12.4 J/°C.) J/g °C

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: In an experiment, 74.3g of copper was heated to 100.0 degrees C and then quickly dropped into 200.0…

A: Heat capacity is the amount of heat required to raise the temperature by one degree Celsius.…

Q: A 110.0-g sample of a gray-colored, unknown, pure metal was heated to 92.0 oC and put into a…

A: Assuming specific heat of metal is C. Since all the heat released by metal in reaching the final…

Q: A cubic piece of platinum metal (specific heat capacity = 0.1256 J/°C g) at 200.0°C is dropped into…

A: Answer: This question is based on the conservation of energy which suggests that energy lost by…

Q: A 8.17 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

Q: A piece of calcite is heated to 72.0°C and placed in a styrofoam coffee cup containing 25.0 mL of…

A: GIVEN: The temperature of Calcite=72.0°C Volume of water= 25.0 mL The initial temperature of water=…

Q: A 115.0-g sample of a metal at 165.0 °C is added to 265.0 g of ethylene glycol (specific heat = 2.43…

Q: 5. What is the mass of the water in a coffee cup calorimeter if the initial temperature is 29.2°C…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.53 kg sample…

A: We know that Q = m*s*ΔT ----------(1) Where, Q is heat energy m is mass of…

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…

A: In this whole process, the heat given out by the reaction is gained by the solution and as a result,…

Q: In a coffee-cup calorimeter, 120.0 mL of 1.4 M NaOH and 120.0 mL of 1.4 M HCl are mixed. Both…

A: coffee-cup calorimeter, 120.0 mL of 1.4 M NaOH and 120.0 mL of 1.4 M HCl are mixed. Therefore, Total…

Q: A 25.0g sample of water at 125.0°C was placed in an insulated cup. Then 25.3g of iron at 23.5°C was…

Q: ₂0 and 0.444 J/g.°C for Fe. eat capacity of the calorimeter = 3/°C

A: The calorimetry rule says, Heat lost by iron = Heat gained by calorimeter + water Heat lost=mc∆T…

Q: In a coffee-cup calorimeter, 120.0 mL of 1.4 M NaOH and 120.0 mL of 1.4 M HCl are mixed. Both…

A: Volume of 1.4 M NaOH taken, V = 120.0 mL Volume of 1.4 M HCl taken, V = 120 mL

Q: A 44.3 g sample of water at 100.00 °C (specific heat of water = 4.184J/g.°C) was placed in an…

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 50.0 g sample of liquid water at 25 °C is mixed with 44.7 g of water at 45.0 °C. What is the final…

Q: 50.0 grams of metal is heated to 100.0 C and then placed into a calorimeter containing 150 g of…

A: The specific heat capacity of the substance is the amount of heat energy required to raise the…

Q: 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…

A: Specific heat- It is the amount of heat required to raise the temperature of 1g of substance by 10…

Q: Enter your answer in the provided box. A 56.0-g sample of an unknown metal at 99°C was placed in a…

Q: 5. To determine whether a shiny silver-colored rock is actually silver, a chemistry student decides…

A: GIVEN:-

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…

Q: A coffee cup calorimeter, including that water it contains, has a heat capacity of 425 J/K, and is…

Q: In a coffee-cup calorimeter, 120.0 mL of 1.1 M NaOH and 120.0 mL of 1.1 M HCl are mixed. Both…

A: Given, In a coffee-cup calorimeter, 120.0 mL of 1.1 M NaOH and 120.0 mL of 1.1 M HCl are mixed. Both…

Q: A 24.6 g sample of a metal is heated to 110.0°C and then placed in a coffee cup calorimeter…

A: Answer: This is the question based on energy conservation, one object is losing the heat and other…

Q: When 108 g of water at a temperature of 23.1 °C is mixed with 66.1 g of water at an unknown…

Q: A 31.74-g lead (Pb) sample at 71.58°C is placed in a constant-pressure calorimeter of negligible…

A: Given, A 31.74-g lead (Pb) sample at 71.58°C is placed in a constant-pressure calorimeter of…

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: 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;

Q: We submerge a 25.0 g block of an unknown metal, initially at 97.8 °C, into 25.0 g of water initially…

Q: A 85 g rock is heated to 98.7°C and placed into 125.3 g of water originally at 30.0°C . If the final…

Q: A student conducts a calorimetry experiment on an unknown metal object. The unknown metal object…

A: Given : The total amount of heat absorbed by the water = 2310 J Mass of metal = 82.522 g Initial…

Q: A 56.43 g sample of iron (with a heat capacity of 0.450 J/g·°C) is heated to 100.0 °C. It is then…

Q: In a coffee-cup calorimeter, 110.0 mL of 1.1 M NaOH and 110.0 mL of 1.1 M HCl are mixed. Both…

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

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…

Q: 150. g of water (Cs = 4.184 J/g°C) at 20.0 °C is added to a coffee cup calorimeter. A 35.0 g sample…

A: We use conservation of heat law in order to achieve equilibrium :- -Heat released by the solid =…

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

Q: A student wishes to determine the heat capacity of a coffee-cup calorimeter. After she mixes 90.5 g…

A: Calculation of heat released by the hot water: Q=mc∆T=90.5 g×4.184 J/g°C×(35.0-67.5)°C=-12306.2 J

Q: How many milliliters of water at 31 °C with a density of 1.00 g/mL must be mixed with 95.0 mL (about…

A: Given: Initial temperature of water=31 degree celciusdensity =1.00g/mlvolume of coffee(m2)=95…

Q: coffee-cup calorimeter, 100.0 mL of 1.1 M NaOH and 100.0 mL of 1.1 M HCI are mixed. Both…

Q: Given the following data 2 CIF (g) + O₂(g) → Cl₂ O(g) + F₂0(g) 2 CIF 3 (g) +202(g) → Cl₂ O(g) +…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: 4. A 505 gram piece of copper tubing is heated to 99.0 °C and placed in an insulated vessel…

A: Heat capacity: The amount of heat required to increase the temperature of a substance by one-degree…

Q: A piece of lead (mass = 2.85 g) at 10.3 C is placed in a Styrofoam coffee cup containing 7.55 mL of…

Question

3 attempts left
Check my work
Enter your answer in the provided box.
A 24.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter
containing 85.0 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. (The heat capacity of the calorimeter is 12.4 J/°C.)
J/g °C
< Prev
10 of 13
Next >
JUN
18
MacBook Pro
Thank
We
23
&
96
%24

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 with 3 images

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

22.214 g of a metal at 99.73°C was added to 14.2 g of water at 19.05°C. The temperature of the mixture rose to 28.78°C. What is the specific heat of the metal? SH2O = 4.184 J/g°C
10 A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a calorimeter containing 73.92 mL of cold water. The water temperature in the calorimeter rises from 2.15°C to 37.48°C. The specific heat capacity of water is 4.184 J and the density of water is g. °C 1.00 mL Assuming that heat was transferred from the hot water to the cold water and the calorimeter, determine the heat capacity of the calorimeter. J Heat capacity of calorimeter = °C
When 6.54 grams of Zn is placed in 500.0 mL of 1.00 M CuSO4(aq) in a coffee cup calorimeter, it reacts completely to displace copper. The temperature of the solution rises from 20.0˚C to 30.4˚C. Assume the coffee cup itself gains no heat and that the solution has the same density (1.00 g/mL) and specific heat (4.184 J/g˚C) as pure water. (a) How much heat does the solution gain during this reaction? (in J)
A 88.8 g piece of aluminum (which has a molar heat capacity of 24.03 J/°C·mol) is heated to 82.4°C and dropped into a calorimeter containing water (specific heat capacity of water is 4.18 J/g°C) initially at 22.3°C. The final temperature of the water is 24.8°C. Ignoring significant figures, calculate the mass of water in the calorimeter.
A 19.3 g sample of beryllium at 96.7°C is placed into 46.2 mL of water at 20.2°C in an insulated container. The temperature of the water at thermal equilibrium is 32.0°C. What is the specific heat of beryllium? Assume a density of 1.00 g/mL for water. (See this table.) J/(g·°C)
If 30.5 g of LiBr are dissolved 350.0 g of water at 20.0 °C in an insulated container, a temperature change is observed. The Δ H of solution of LiBr is -48.8 kJ/mol. Assuming that the specific heat of the solution is 4.184 J/(g C) and that no heat is gained or lost by the container, what will be the final temperature of the solution?
When 14.2 g KBr is dissolved in 100.0 g of water in a coffee-cup calorimeter, the temperature drops from 28.88 °C to 23.38 °C. What is the enthalpy change per gram of KBr dissolved in the water? Assume that the solution has a specific heat capacity of 4.18 J/g·K.
A 135.0-g sample of a metal at 153.0 °C is added to 255.0 g of ethylene glycol (specific heat = 2.43 J/g･ °C) in a calorimeter at 25.7 °C. The temperature of the ethylene glycol rises to 38.2 °C. Calculate the specific heat capacity of the metal, assuming that all the heat lost by the metal is gained by the ethylene glycol.
An 80.0 g sample of metal, initially at 96.0 °C, is placed into 150.0 g of water initially at 26.0 °C in a calorimeter. The final temperature of the water is 28.1 °C. What is the identity of the metal? (The specific heat of water is 4.18 J/g °C.) Metal Aluminum Copper Iron Magnesium Silver Tin Titanium Specific Heat Capacity J/(g•°C) 0.90 0.38 0.45 1.00 0.23 0.32 0.52 A) Fe B) Sn C) Ag D) Cu
when 50.0 mL of 0.200 M NaOH is mixed with 50 mL of 0.200 M HCl in a coffee cup calorimeter, the temperature increases from 23.5 degrees C to 26.5 degrees C. Assuming that the density of the resulting solution is 1.00 g/mL and the specific heat capacity of the solution is 4.18 J/g degrees C, what is qrxn?
When a sample of titanium was supplied 1.00 kJ of energy, the temperature rose 103.5 °C. If the specific heat of titanium is 0.523 J/g · °C, what is the mass of the titanium sample?
A calorimeter contained 65.0 g of water at 15.49°C. A 122-g sample of iron at 64.78°C was placed in it, giving a final temperature of 19.22°C for the system. Calculate the heat capacity of the calorimeter. Specific heats are 4.184 J/g.°C for H2O and 0.444 J/g.°C for Fe. Heat capacity of the calorimeter = J/°C