Questions LLC
Login
or
Sign Up
Ask a New Question
Phase Changes
Page 6
Questions (378)
how many kcal of heat must be withdrawn from 4.56 kg of steam at 125 degrees C to change it to ice at -44.5 degrees C???
1 answer
asked by
nick
440 views
0.60 mol of steam condenses at 100°C
3 answers
asked by
Emily
481 views
An ice cube tray full of water is put into a freezer. Which energy change occurs in the particles in the water as it undergoes a
5 answers
asked anonymously
54 views
A scientist is interested in learning more about water’s phase change properties. The scientist decides to perform an
1 answer
asked anonymously
31 views
When there is a phase change from a liquid to a solid, what energy change occurs
3 answers
asked by
<3
51 views
Comparing the phase change from solid to liquid, liquid to gas, and liquid to solid, explain how the kinetic energy and
5 answers
asked by
Janne
38 views
Decide wether the kinetic and potential energy increase or decrease in the phase changes.
from liquid to solid solid to liquid
1 answer
asked by
anonymous
38 views
Thermal Energy Unit Test
2 of 102 of 10 Items Question Water boils at 100°C and turns into steam. Which similarities or
1 answer
asked anonymously
34 views
Which of the following phase changes involves a gas turning into a liquid?
a Condensation b Boiling c Sublimation d Freezing
1 answer
asked by
e
89 views
Match the phase change to its description.
Column A 1. gas to liquid: gas to liquid 2. liquid to solid: liquid to solid 3. solid
1 answer
asked anonymously
39 views
Question 6 (1 point)
Which action occurs as a substance undergoes a phase change from a liquid to a gas? a The intermolecular
1 answer
asked anonymously
24 views
Which action occurs as a substance undergoes a phase change from a liquid to a gas?
a The temperature of the particles decrease
1 answer
asked by
yoyo808
21 views
Observe the heat curve above. Between points X and Y, what 2 things would be observed? Choose the 2 statements that are correct.
1 answer
asked by
yoyo808
33 views
Which of the following statements describes how a substance melts? (1 pt)
* 1 point Molecules in the substance gain kinetic
1 answer
asked anonymously
27 views
The temperature at which a substance will change from a solid to a liquid is its... (1 pt)
* 1 point vapor pressure freezing
1 answer
asked anonymously
23 views
Which phase change is the opposite of boiling?(1 point)
evaporation evaporation melting melting freezing freezing condensation
1 answer
asked anonymously
31 views
The energy needed to change the state of a solid to a liquid is know as the
1 answer
asked anonymously
10 views
The specific latent heat of vaporisation is the energy needed to change the state from
11 answers
asked anonymously
27 views
What is added to matter to change it from solid to a liquid?
1 answer
asked by
Rose
17 views
Compare the amount of thermal energy needed to melt a solid and the amount of thermal energy needed to freeze the same liquid.
1 answer
asked by
Elena
16 views
The amount of thermal energy needed to melt a solid and the amount of thermal energy needed to freeze the same liquid are equal
1 answer
asked by
Elena
20 views
Which action occurs as a substance undergoes a phase change from a solid to a liquid?
1 answer
asked anonymously
22 views
Steam, at 1000C is passed into a container of negligible heat capacity, containing 20g of ice and 100g
of water at 00C, until the
1 answer
asked anonymously
47 views
Students in a lab have tested boiling points for 10 different substances that are liquids at room temperature. They now want to
1 answer
asked anonymously
22 views
When 6.00 mol of ice at 0.0°C melts completely without changing temperature, it absorbs 36.1 kJ of energy. The experimental
1 answer
asked by
Jason
24 views
A substance changes from a liquid to a gas at its _____.
A. highest density B. boiling point C. lowest density D. melting point
1 answer
asked by
e
63 views
Which statement about the energy of a phase change is true?
Melting is an exothermic change, because ice absorbs energy from its
1 answer
asked by
e
47 views
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
Dry ice
1 answer
asked by
e
41 views
the act or process of changing from a gas or vapor to a liquid.
evaporation
1 answer
asked anonymously
60 views
Which is a true statement?
A. Condensation is an endothermic process. B. The vapor pressure of water decreases as the temperature
1 answer
asked by
e
41 views
Which best describes sublimation?
A. It is a phase change in which a substance changes from a solid to a gas or vapor without
1 answer
asked by
e
38 views
Which phase change absorbs energy from the surroundings?
A. condensation B. vaporization C. deposition D. freezing
1 answer
asked by
e
21 views
During which phase change does the arrangement of water molecules become most orderly?
A. gas to liquid B. liquid to solid C.
1 answer
asked by
e
41 views
Which pair shows processes that are the reverse of one another?
A. condensation, vaporization B. evaporation, vaporization C.
1 answer
asked by
e
69 views
Which phase change is endothermic?
A. vaporization B. condensation C. deposition D. freezing
1 answer
asked by
e
64 views
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
Dry ice
1 answer
asked by
e
59 views
Which of these phase changes does not involve changing a liquid into a gas?
vaporization evaporation sublimation
1 answer
asked by
e
30 views
Which diagram represents deposition?
gas → solid liquid → gas liquid → solid solid → gas
1 answer
asked by
e
27 views
Why does boiling water in a large pot on a stove have a temperature of 100°C even if it has been boiling for an hour?
The
1 answer
asked by
e
39 views
What happens to the arrangement of water molecules as ice melts?
Molecules gain enough energy to move from their fixed positions.
1 answer
asked by
e
35 views
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
Dry ice
1 answer
asked by
e
39 views
During which phase change does the arrangement of water molecules become most orderly?
boiling melting freezing condensing
1 answer
asked by
e
32 views
Which pair shows processes that are the reverse of one another?
condensation, vaporization evaporation, vaporization
1 answer
asked by
e
31 views
Which phase change is the opposite of boiling?(1 point)
Responses condensation condensation evaporation evaporation melting
1 answer
asked anonymously
21 views
What happens that allows liquid to turn into gas when water is boiling?
Responses The molecules form strong bonds and can then
1 answer
asked anonymously
75 views
Explain the microscopic scale of how a substance can undergo a phase change when he is added what happens to electrostatic
1 answer
asked by
Your mom
27 views
When thermal energy is applied to ice, the ice’s temperature rises until 0° C and then stays the same for a period of time.
1 answer
asked by
Zoey Andrus
104 views
How are evaporation and sublimation similar?
Both take place throughout a solid. Both release energy to the surroundings. Both
5 answers
asked by
e
45 views
The children saw how the scalding water produced steam from the rim of the boiling pot.
(1 point) Responses produced produced
1 answer
asked by
k
68 views
What happens to the particles and temperature of a substance as it changes state?
1 answer
asked anonymously
14 views
Pages
1
2
3
4
5
6
7
8
Parent Categories (33)
Changes in Matter
Changes of State
Chemical changes
Chemical Reactions
Chemistry
Energy
Energy Changes
Energy Transfer
Entropy
Heat and Energy Transfer.
Heat and Temperature
Heat and Thermodynamics
Heat energy calculations
Heat Transfer
Matter
Matter and States of Matter
Phases of Matter
Physical Changes
Physical Chemistry
Physical Processes
Physical Properties
Physical Science
Physical Sciences
Physics
Physics / Thermodynamics
Properties of Matter
Solid State Physics
Solutions
States of Matter
Thermal Energy
Thermodynamics
Transformations
Water Cycle