I know I need to apply the equation Q=mcdt but am not sure how to proceed? I can't tell what is happening in this situation.
Homework Answers
Add Answer to:
I know I need to apply the equation Q=mcdt but am not sure how
to proceed?...
- -/10 points Thermo: Calorimetry - ice + steam 0/6 Submissions Used My Ne 0.1 kg of steam at 100°C is added to 0....
- -/10 points Thermo: Calorimetry - ice + steam 0/6 Submissions Used My Ne 0.1 kg of steam at 100°C is added to 0.41 kg of ice at 0°C. Determine the temperature of the mixture once thermal equilibrium is reached. 8. -70 points Specific Heats & Latent Heats 070 Submissions Used These values will be needed for the following calorimetry problems. SPECIFIC HEATS Specific Heat Substance (J/kg.K) Aluminum 900 Copper 390 Glycerin 2410 2100 Iron 450 Lead 130 Mercury 140...
What is the heat capacity of a 20.2-kg block of ice? The specific heat capacity of...
What is the heat capacity of a 20.2-kg block of ice? The specific heat capacity of ice is 2.10 kJ/kg K. kJ/K It takes 880 J to raise the temperature of 350 g of lead from 0°C to 20.0°C. What is the specific heat of lead? kJ/(kg K) A heating coil inside an electric kettle delivers 3.20 kW of electric power to the water in the kettle. How long will it take to raise the temperature of 0.390 kg of...
I know the answers but I don't know how to solve the work. Please show the...
I know the answers but I don't know how to solve the work.
Please show the work
1.)
Answer: D
2.)
Answer: D
3.)
Answer: A
Aluminum has a specific heat of 0.902 J/g.°C. How many joules of heat are required to change the temperature of 8.50 grams of aluminum from 25.0°C to 93.4°C? a. 7.67 J b. 71.7 J c. 192J d. 524 J Water has a specific heat of 4.18 J/g. °C. If 35.0 g of water at...
Specific heat is the heat necessary to raise the temperature of 1kg of a given material...
Specific heat is the heat necessary to raise the temperature of 1kg of a given material by 1∘C. This specific heat value varies by material with metals having relatively low specific heat with organic materials and water being very high. The specific heat of mercury is 140 J/kg∘C and the specific heat of water is 4190 J/kg∘C. 1.140 J of heat energy are transferred to 30.9 g of mercury. By how much does the temperature increase in Celsius? 2. How...
Please explain the coversions such as converting the Cp from J/k.kg. Because i looked at the...
Please explain the coversions such as converting the Cp from
J/k.kg. Because i looked at the previously posted questions it
seems wrong. I think coverting it to J/k.mol should be multiply by
18/1000 (for water,ice) but they are doing 1000:18, dont know why.
Thank you.
4) (12 marks) A bowl of warm water (T = 45.0°C) is placed in a large freezer which is maintained at -25.0°C. The mass of the water is 0.500 kg. Liquid water has Cp =...
1. How much heat is needed to raise the temperature of 3 kg of water from...
1. How much heat is needed to raise the temperature of 3 kg of water from 20oC to 40oC? Give answer in kJ (1kJ = 1000 J) (round answer to 3 sig fig) 2. How much heat is needed to raise the temperature of 3 kg of ice from -40oC to -20oC? (round answer to 3 sig fig) Specific heat of water: C = 4180 J/kgK Specific heat of ice: C = 2090 J/kgK Specific heat of ethanol: C= 2440...
Question 13 (1 point) How much heat (in MJ) does it take to completely convert 0.80...
Question 13 (1 point) How much heat (in MJ) does it take to completely convert 0.80 kg of ice initially at a temperature of -15°C to steam (water vapor) at a final temperature of 130°C? Specific heats (in J/kg.K): ice (2100), water (4190), steam (2000) Latent heats (in J/kg): fusion (3.34 x 105), vaporization (2.256 X 106) 1.0 2.0 1.5 2.5 0.5 3.0
At 1 atm, how much energy is required to heat 0.0550 kg of ice at -22.0...
At 1 atm, how much energy is required to heat 0.0550 kg of ice at -22.0 °C to steam at 129.0 °C? STRATEGY 1. Calculate the energy needed for each temperature change or phase change individually. A. The energy needed to heat 0.0550 kg of ice from -22.0 C to its melting point. B. The energy needed to melt 0.0550 kg of ice at its melting point C. The energy needed to heat 0.0550 kg of liquid water from the...
I have been stuck on this problem for so long does anyone know QUESTION 10 Suppose you start with 264g of ice at 0 °C....
I have been stuck on this problem for so long does anyone know
QUESTION 10 Suppose you start with 264g of ice at 0 °C. Calculate the amount of heat energy that must be transferred to convert the ice to steam at 100 °C. (Use 334kJ/kg for the latent heat of fusion 2.26X103kJ/kg for the latent heat of vaporization, and 4.19kJ/kg°C for the specific heat of water.) Note: use the unit kJ.
You need to raise the temperature of 55 g of water from 14.6 ◦C to 85◦C....
You need to raise the temperature of 55 g of water from 14.6 ◦C to 85◦C. How much heat is needed to accomplish this? The specific heat of water is 4180 J/kg · ◦ C. Answer in units of J
- -/10 points Thermo: Calorimetry - ice + steam 0/6 Submissions Used My Ne 0.1 kg of steam at 100°C is added to 0.41 kg of ice at 0°C. Determine the temperature of the mixture once thermal equilibrium is reached. 8. -70 points Specific Heats & Latent Heats 070 Submissions Used These values will be needed for the following calorimetry problems. SPECIFIC HEATS Specific Heat Substance (J/kg.K) Aluminum 900 Copper 390 Glycerin 2410 2100 Iron 450 Lead 130 Mercury 140...
What is the heat capacity of a 20.2-kg block of ice? The specific heat capacity of ice is 2.10 kJ/kg K. kJ/K It takes 880 J to raise the temperature of 350 g of lead from 0°C to 20.0°C. What is the specific heat of lead? kJ/(kg K) A heating coil inside an electric kettle delivers 3.20 kW of electric power to the water in the kettle. How long will it take to raise the temperature of 0.390 kg of...
I know the answers but I don't know how to solve the work.
Please show the work
1.)
Answer: D
2.)
Answer: D
3.)
Answer: A
Aluminum has a specific heat of 0.902 J/g.°C. How many joules of heat are required to change the temperature of 8.50 grams of aluminum from 25.0°C to 93.4°C? a. 7.67 J b. 71.7 J c. 192J d. 524 J Water has a specific heat of 4.18 J/g. °C. If 35.0 g of water at...
Please explain the coversions such as converting the Cp from
J/k.kg. Because i looked at the previously posted questions it
seems wrong. I think coverting it to J/k.mol should be multiply by
18/1000 (for water,ice) but they are doing 1000:18, dont know why.
Thank you.
4) (12 marks) A bowl of warm water (T = 45.0°C) is placed in a large freezer which is maintained at -25.0°C. The mass of the water is 0.500 kg. Liquid water has Cp =...
Question 13 (1 point) How much heat (in MJ) does it take to completely convert 0.80 kg of ice initially at a temperature of -15°C to steam (water vapor) at a final temperature of 130°C? Specific heats (in J/kg.K): ice (2100), water (4190), steam (2000) Latent heats (in J/kg): fusion (3.34 x 105), vaporization (2.256 X 106) 1.0 2.0 1.5 2.5 0.5 3.0
At 1 atm, how much energy is required to heat 0.0550 kg of ice at -22.0 °C to steam at 129.0 °C? STRATEGY 1. Calculate the energy needed for each temperature change or phase change individually. A. The energy needed to heat 0.0550 kg of ice from -22.0 C to its melting point. B. The energy needed to melt 0.0550 kg of ice at its melting point C. The energy needed to heat 0.0550 kg of liquid water from the...
I have been stuck on this problem for so long does anyone know
QUESTION 10 Suppose you start with 264g of ice at 0 °C. Calculate the amount of heat energy that must be transferred to convert the ice to steam at 100 °C. (Use 334kJ/kg for the latent heat of fusion 2.26X103kJ/kg for the latent heat of vaporization, and 4.19kJ/kg°C for the specific heat of water.) Note: use the unit kJ.
Most questions answered within 3 hours.
-
Do not neglect the old for the new. The existing business must
not lose priority simply...
asked 2 hours ago -
Kylie is a single mom with two dependent children,
Tanner, age 7 and Olivia, age 11....
asked 4 hours ago -
Phosphorous + bromine = phosphorous tribromide. If 35.0 g of
bromine are reacted and 27.9 grams...
asked 5 hours ago -
Derive the long wavelength limit of the Planck energy density
distribution
asked 5 hours ago -
Calculate the pH of each of the following solutions.
0.50 M HBr
3.1×10−4 M KOH
4.2×10−5...
asked 8 hours ago -
For the year ended December 31, Depot Max’s cost of merchandise
sold was $85,600. Inventory at the...
asked 8 hours ago -
Week 10 - Professional Memo Assignment
Professional Memo Assignment
Your mission for this week, should you...
asked 9 hours ago -
Write a Python program that stores the data for each
player on the team, and it...
asked 9 hours ago -
In
the last 3 months, mike never knows when he is going to get his
allowance...
asked 9 hours ago -
Is Ca(OH)2 a Bronsted base, Lewis base, or both? Why?
asked 9 hours ago -
1A- Why don’t voters complain about U.S. tariffs on imported
sugar?
Because sugar is only a...
asked 9 hours ago -
Cash Payback Period
Primera Banco is evaluating two capital investment proposals for
a drive-up ATM kiosk,...
asked 9 hours ago