Chemistry, 17.11.2019 02:31 ladyree8721

Which statement about the energy of a phase change is true?
a. melting is an endothermic change, because ice releases energy to its surroundings as it melts.
b. melting is an endothermic change, because ice absorbs energy from its surroundings as it melts.
c. melting is an exothermic change, because ice absorbs energy from its surroundings as it melts.
d. melting is an exothermic change, because ice releases energy to its surroundings as it melts.

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 08:30

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Answers: 1

Answer

Chemistry, 22.06.2019 12:30

May someone me with these science questions

Answers: 1

Answer

Chemistry, 22.06.2019 23:00

What is the oxidation state of each individual carbon atom in c2o42−?

Answers: 1

Answer

Chemistry, 23.06.2019 03:50

How many liters of oxygen gas, at standardtemperature and pressure, will react with 35.8 grams ofiron metal? 4 fe (s) + 3 o2 (g) → 2 fe2o3 (s)

Answers: 3

Answer

You know the right answer?

Which statement about the energy of a phase change is true?
a. melting is an endothermic cha...

Questions

Health, 24.08.2020 07:01

Which is a strategy for eating healthier...

Mathematics, 24.08.2020 07:01

A toy rocket is launched straight up into the air with an initial velocity of 60 ft/s from a table 3 ft above the ground. If acceleration due to gravi...

English, 24.08.2020 07:01

8. Use either infinitive or gerund in the following sentences in orderto make them correct:1. His onlyaim was te cheat (to cheat /...

Biology, 24.08.2020 07:01

Help me, please Can you tell how many protons (and thus electrons) an atom has by checking its atomic?...

Mathematics, 24.08.2020 07:01

Given a and a , there is one and only one line perpendicular to the plane through that point....

Mathematics, 24.08.2020 07:01

Point A is at (-1,-9) and point M is at (0.5, -2.5) Point M is the midpoint of point A and point B. What are the coordinate of point B ?...

Biology, 24.08.2020 07:01

Sexual reproduction amongst protozoa is done by. release of spores internal fertilization conjugation of two mature cells...

English, 24.08.2020 07:01

How does the government of the republic typically shape its economy?...

Social Studies, 24.08.2020 07:01

"Nepotism and favouritism are also corruption".Justify it....

Physics, 24.08.2020 07:01

Which of the following describes the relationship between work and power? (2 points) Power is the rate at which work is done. Power is the total amoun...

Physics, 24.08.2020 07:01

Bettina spoke into a microphone during the school play to increase the sound of her voice so the audience could hear her speak. The loudness of Bettin...

History, 24.08.2020 07:01

What connections can be made between the diverse groups mentioned in line 55 - African-American, Mexican-American, Irish-American - and the idea

English, 24.08.2020 07:01

Read the passage from Animal Farm. Napoleon stood sternly surveying his audience; then he uttered a high-pitched whimper. Immediately the dogs bounded...

Biology, 24.08.2020 07:01

How does algae reproduce? Select the best answer, only sexually both sexually and asexually only by fission only asexually...

English, 24.08.2020 07:01

The goal of a market economy is to sustain self sufficiency preserve traditional customs create equality within a society promote free economic choice...

Biology, 24.08.2020 07:01

Vectors that some Protozoa use transfer disease are...

Biology, 24.08.2020 07:01

Which statement describes primary consumers? They eat secondary consumers. They eat producers. They obtain their energy from the Sun. They are found b...

Chemistry, 24.08.2020 07:01

Which statement accurately describes what happens when water turns to steam in terms of energy?...

Computers and Technology, 24.08.2020 07:01

Using the drop-down menus, identify the harmful behavior in each scenario. An IT worker at a government agency tells his friends about the work he is...

Business, 24.08.2020 07:01

Name the departments, offices, or agencies that were caused by the Dodd-Frank legislation....

More questions: Chemistry Another questions