Homework Answers
amount of heat released
H = 0.86* 4186* 21.5 = 77399 J
mass of ice melts
77399 = mL
77399 = m * (3.32* 10^5)
m = 233.13 g
now
amount of ice remained = 3* 106 - 233.13 = 84.87 g
=======
Comment before rate in case any doubt, will reply for sure.. goodluck
Add Answer to:
9. + 2.5/5 points Previous Answers KatzPSEf1 21.P.069. Three 106.0-g ice cubes initially at 0°C are...
Three 110.0-g ice cubes initially at 0°C are added to 0.860 kg of water initially at 21.0°C in an insulated container....
Three 110.0-g ice cubes initially at 0°C are added to 0.860 kg of water initially at 21.0°C in an insulated container. (a) What is the equilibrium temperature of the system? °C (b) What is the mass of unmelted ice, if any, when the system is at equilibrium? 1 kg
Three 101.0-g ice cubes initially at 0°C are added to 0.820 kg of water initially at...
Three 101.0-g ice cubes initially at 0°C are added to 0.820 kg of water initially at 19.5°C in an insulated container. (a) What is the equilibrium temperature of the system? °C (b) What is the mass of unmelted ice, if any, when the system is at equilibrium? kg
Three 110.0-g ice cubes initially at 0°C are added to 0.900 kg of water initially at...
Three 110.0-g ice cubes initially at 0°C are added to 0.900 kg of water initially at 21.0°C in an insulated container. (a) What is the equilibrium temperature of the system? 9.13 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully.°C (b) What is the mass of unmelted ice, if any, when the system is at equilibrium? The correct answer is not zero. kg
I am having trouble with part B and could use some help Three 110.0-g ice cubes...
I am having trouble with part B and could
use some help
Three 110.0-g ice cubes initially at 0°C are added to 0.900 kg of water initially at 21.0°C in an insulated container. (a) What is the equilibrium temperature of the system? °C 0 (b) What is the mass of unmelted ice, if any, when the system is at equilibrium? 93.75 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step...
Of ice at -S °C is added to 40 kg of water initially at 20 °C. Assume that the container is well ...
of ice at -S °C is added to 40 kg of water initially at 20 °C. Assume that the container is well insulated. (a) Find the final equilibrium temperature. (5 points) 0b) Caleulate the change in internal energy of the 40 kg water when thermal equilberium is established. (5 points) (c) If a 3 kg piece of copper at 30°C is also added to the original system( Le. system with ice d wat an (7 points) er at their initial...
Initially you have mW = 3.4 kg of water at TW = 54°C in an insulated container. You add ice at TI = -21°C to the contain...
Initially you have mW = 3.4 kg of water at
TW = 54°C in an insulated container. You add
ice at TI = -21°C to the container and the mix
reaches a final, equilibrium temperature of Tf
= 25°C. The specific heats of ice and water are
cI = 2.10×103J/(kg⋅°C) and
cW = 4.19×103 J/(kg⋅°C),
respectively, and the latent heat of fusion for water is
Lf = 3.34×105 J/kg.
(11%) Problem 7: Initially you have mw = 3.4 kg of...
Four ice cubes at exactly 0 ∘C with a total mass of 52.0 g are combined...
Four ice cubes at exactly 0 ∘C with a total mass of 52.0 g are combined with 155 gof water at 90 ∘C in an insulated container. (ΔH∘fus=6.02 kJ/mol, cwater=4.18J/g⋅∘C) If no heat is lost to the surroundings, what is the final temperature of the mixture?
Four ice cubes at exactly 0 ∘C with a total mass of 54.0 g are combined...
Four ice cubes at exactly 0 ∘C with a total mass of 54.0 g are combined with 125 g of water at 75 ∘C in an insulated container. (ΔH∘fus=6.02 kJ/mol, cwater=4.18J/g⋅∘C) If no heat is lost to the surroundings, what is the final temperature of the mixture?
Four ice cubes at exactly 0 ∘C with a total mass of 53.5 g are combined...
Four ice cubes at exactly 0 ∘C with a total mass of 53.5 g are combined with 130 g of water at 75 ∘C in an insulated container. (ΔH∘fus=6.02 kJ/mol, cwater=4.18J/g⋅∘C) If no heat is lost to the surroundings, what is the final temperature of the mixture? Express your answer using two significant figures.
9. Four ice cubes exactly at-50 °C with a total mass of 53.5 g are combined with 1 15 g of water at 75 °C in an insulated container. If no heat is lost to the surroundings, what is the final tempe...
9. Four ice cubes exactly at-50 °C with a total mass of 53.5 g are combined with 1 15 g of water at 75 °C in an insulated container. If no heat is lost to the surroundings, what is the final temperature of the mixture? The heat capacity of ice is 2.03 JIg C and that of water is 4.18 JIg C. The heat of fusion of water is +6.01 kJ/mol. (1.5 pts)
9. Four ice cubes exactly at-50 °C...
Three 110.0-g ice cubes initially at 0°C are added to 0.860 kg of water initially at 21.0°C in an insulated container. (a) What is the equilibrium temperature of the system? °C (b) What is the mass of unmelted ice, if any, when the system is at equilibrium? 1 kg
Three 110.0-g ice cubes initially at 0°C are added to 0.900 kg of water initially at 21.0°C in an insulated container. (a) What is the equilibrium temperature of the system? 9.13 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully.°C (b) What is the mass of unmelted ice, if any, when the system is at equilibrium? The correct answer is not zero. kg
I am having trouble with part B and could
use some help
Three 110.0-g ice cubes initially at 0°C are added to 0.900 kg of water initially at 21.0°C in an insulated container. (a) What is the equilibrium temperature of the system? °C 0 (b) What is the mass of unmelted ice, if any, when the system is at equilibrium? 93.75 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step...
of ice at -S °C is added to 40 kg of water initially at 20 °C. Assume that the container is well insulated. (a) Find the final equilibrium temperature. (5 points) 0b) Caleulate the change in internal energy of the 40 kg water when thermal equilberium is established. (5 points) (c) If a 3 kg piece of copper at 30°C is also added to the original system( Le. system with ice d wat an (7 points) er at their initial...
Initially you have mW = 3.4 kg of water at
TW = 54°C in an insulated container. You add
ice at TI = -21°C to the container and the mix
reaches a final, equilibrium temperature of Tf
= 25°C. The specific heats of ice and water are
cI = 2.10×103J/(kg⋅°C) and
cW = 4.19×103 J/(kg⋅°C),
respectively, and the latent heat of fusion for water is
Lf = 3.34×105 J/kg.
(11%) Problem 7: Initially you have mw = 3.4 kg of...
9. Four ice cubes exactly at-50 °C with a total mass of 53.5 g are combined with 1 15 g of water at 75 °C in an insulated container. If no heat is lost to the surroundings, what is the final temperature of the mixture? The heat capacity of ice is 2.03 JIg C and that of water is 4.18 JIg C. The heat of fusion of water is +6.01 kJ/mol. (1.5 pts)
9. Four ice cubes exactly at-50 °C...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago