Questions LLC
Login
or
Sign Up
Ask a New Question
Phase Change
Page 3
Questions (188)
How many grams of ice at -14.3∘C can be completely converted to liquid at 24.8∘C if the available heat for this process is
3 answers
asked by
Atina
872 views
.You have an ice cube that is 150 g and is at a temperature of 0°C. You drop the ice into
water that is initially at 15ºC and
2 answers
asked by
chuck
860 views
Find the amount of heat to be released to convert 40 grams of steam at 108°C to ice at -7°C. The latent heat of fusion and the
1 answer
asked by
Anonymous
851 views
How much heat in joules must be added to 0.348 kg of aluminum to change it from a solid at 138 °C to a liquid at 660 °C (its
2 answers
asked by
RM
859 views
the heat of fusion water is335 J/g. The heat of evaporization of water is 2.26 kJ/g, the specific heat of ice is 2.05 J/Deg/g,
2 answers
asked by
Randy
860 views
How many grams of ice at -29.7 ∘C can be completely converted to liquid at 21.7 ∘C if the available heat for this process is
2 answers
asked by
Alex
849 views
A typical phase change diagram is shown below. What are the correct names of the numbered stages (legs) of the phase diagram?
3 answers
asked by
Danielle
849 views
A 0.0500 kg ice cube at -30.0◦C is placed in 0.400 kg of 35.0◦C water in a very well insulated container.
What is the final
1 answer
asked by
Anonymous
815 views
what is the number of grams of steam at 100 degrees C that will condense as 5g of ice at 0 degrees C melts?
1 answer
asked by
Hannah
792 views
Because of the pressure inside a popcorn kernel, water does not vaporize at 100°C. Instead, it stays liquid until its
3 answers
asked by
conrado sanchez
1,752 views
A flask was immersed in 350 g of water at 25 degrees C. Steam at 100 degrees C was passed into this flask, and eventually
2 answers
asked by
Amanda
810 views
Would the molar mass become high or low if water vapors condensed under the aluminum foil before the final weighing?
2 answers
asked by
Linda
781 views
Inside an insulated container, a 250-g ice cube
at 0°C is added to 200 g of water at 18°C. (i) What is the final temperature of
2 answers
asked by
Meder
789 views
There are 150 grams of water in a beaker.
If the water freezes,what is the massof the ice?
1 answer
asked by
elsie velasquez
752 views
If 5.40 kcal of heat is added to 1.00 kg of water at 100⁰C, how much steam at 100⁰C is produced? Show all calculations
2 answers
asked by
emily
743 views
50 grams of ice cubes at -5oC is added to a 1 litre (1 kg) of water that is initially at 30oC.
a) Use the table of values to find
1 answer
asked by
Ying
781 views
Suppose 100 g of water at 20°C is poured over a 70-g cube of ice with a temperature of -8°C. If all the ice melts, what is the
7 answers
asked by
James
772 views
Given that the normal boiling point of CCl4 is 77 °C, which of the following statements about the process below is/are correct?
1 answer
asked by
Anon
720 views
at 20 C the vapor pressure of dry ice is 56.5 atm. if 32 g of dry ice is placed in an evacuated .25 l chamber at a constant
2 answers
asked by
david
776 views
Steam is compressed reversibly to liquid water at the boiling point 100C. The heat of vaporisation of water at 100C and 1.01325
1 answer
asked by
Charles
742 views
A mass m = 0.068 kg of benzene vapor (Lv = 3.94x105 J/kg) at its boiling point of 80.1°C is to be condensed by mixing with
1 answer
asked by
jose
710 views
If 5.40 kcal of heat is added to 1.00 kg of ice at 0⁰C, how much liquid water at 0⁰C is produced?
2 answers
asked by
allexelle
697 views
Calculate the heat (in kJ) required to transform 58.60 g of dinitrogen tetraoxide from a solid at a
temperature of -9.3 °C to a
2 answers
asked by
Matthew
722 views
What is w when 3.93 kg of H2O(l), initially at 25.0 ºC, is converted into water vapour at 157 ºC against a constant external
7 answers
asked by
Shay
722 views
Water at 29.0 °C is sprayed onto 0.188 kg of molten gold at 1063 °C (its melting point). The water boils away, forming steam
2 answers
asked by
anonymous
700 views
How much energy (in kilojoules) is released when 12.3 of steam at 121.5 is condensed to give liquid water at 64.5? The heat of
2 answers
asked by
aamani
733 views
Suppose 300 g of water at 20°C is poured over a 50-g cube of ice with a temperature of -6°C. If all the ice melts, what is the
2 answers
asked by
lanre
682 views
n ice bag containing 204 g of ice at 0 ∘C was used to treat sore muscles. When the bag was removed, the ice had melted and the
2 answers
asked by
Jonny
654 views
If 5.40 kcal of heat is added to 1.00 kg of water at 100⁰C, how much steam at 100⁰C is produced? Show all calculations
3 answers
asked by
Student101
662 views
How much heat is required to convert solid ice with a mass of 810 g and at a temperature of -18.0 °C to liquid water at a
1 answer
asked by
Anonymous
663 views
If the building absorbed so much heat that it turned into a liquid, then it would have undergone a phase change known as
2 answers
asked by
neel
639 views
How much energy (in kilojoules) is released when 12.3g of steam at 121.5 degree C is condensed to give liquid water at 64.5
3 answers
asked by
Lauren
664 views
using a coffee calorimeter, it is found that when an ice cube weighing 24.6g melts, it absorbs 8.19kJ of heat. calculate delta H
2 answers
asked by
Kera
653 views
Ice (initially at 0 degrees celcius)is added to 0.75 L of tea at 20 degrees celcius to make the coldest possible iced tea. If
1 answer
asked by
Lacey
631 views
You are a blacksmith and have been working with 14.0 kg of steel. When you are finished shaping it, the steel is at a
1 answer
asked by
chase
609 views
Heat is applied to an ice cube in a closed container until only steam is present. Draw a representation of this process. What
2 answers
asked by
Person
620 views
Find the mass of water that vaporizes when 4.04 kg of mercury at 210 °C is added to 0.498 kg of water at 81.6 °C.
I am stuck on
4 answers
asked by
KS
590 views
Anyone know how to go about the problem? I don't know how to do it.
Assume a professor has a daily special request for her
2 answers
asked by
Josh
605 views
How long would it take for 1.50mol of water at 100.0 degrees to be converted completely into steam if heat were added at a
2 answers
asked by
alisha
598 views
Please Help!!
Using heat of fusion, Specific heat, or heat of evaporation. Calories to condense 135g of steam at 100 degrees C
2 answers
asked by
Anonymous
572 views
500 calories of heat is added to 2.0 g of water at 80 degrees Celsius. How much steam is produced?
2 answers
asked by
Tyler
566 views
the heat of fusion water is 335J/g,the heat of vaporization of water is 2.26kJ/g, the specific heat of water is 4.184J/deg/g.
2 answers
asked by
Randy
567 views
A 14.0-g sample of ice at -18.0°C is mixed with 122.0 g of water at 87.0°C. Calculate the final temperature of the mixture
2 answers
asked by
Janesa
562 views
Imagine that 25.0 of ice at -3.0C is placed in a container holding water vapor at temperature of 120.0C . After a certain amount
2 answers
asked by
Fajer
577 views
Steam of mass 11.0 g at 100°C is added to 126.7 g of ice at 0.00°C. Find the final temperature of the system.
2 answers
asked by
Madison
538 views
If 1.38 g of steam at 100.0°C condenses into 38.6 g of water, initially at 27.6°C, in an insulated container, what is the
2 answers
asked by
john
559 views
How much heat in KJ is needed to change 3.0 kg of ice at -10C into (superheated) steam at +150C ?
3 answers
asked by
DMITRIC
547 views
A styrofoam cooler is a cube with side length of 20.0 cm and walls with thickness of 1.9 cm. If the external temperature is 27.0
2 answers
asked by
Alyssa
549 views
An ice cube at its freezing point is placed in nested Styrafoam cups which contain 240 g of water at 21.5 °C. If the final
2 answers
asked by
emily
556 views
Calculate the S(univ) for the following phase change at 25 deg celcius. The boiling point of heptane is 98.0 Celcius and has a
9 answers
asked by
Hank
559 views
Pages
1
2
3
4
Parent Categories (22)
Chemistry
Energy
Energy Conversion
Enthalpy
Entropy
Free energy
Glass
Heat and Energy
Heat and Temperature
Heat Change
Heat Transfer
Physical Chemistry
Physical Science
Physical States of Matter
Physics
Physics / Thermodynamics
Physics or Chemistry
Properties of Water
Specific Heat and Heat Transfer
States of Matter
Temperature and Heat Transfer
Thermodynamics