1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
professor190 [17]
3 years ago
15

A piston performs work of 210. L·atm on the surroundings, while the cylinder in which it is placed expands from 12 L to 27 L. At

the same time, 45 J of heat is transferred from the surroundings to the system. Against what pressure was the piston working?
Social Studies
1 answer:
Lyrx [107]3 years ago
8 0

Answer:

14atm

Explanation:

to solve this, equate the work done by the piston to the change in volume of the cylinder.

work done by the piston w = PV = 210

i.e. 210 L atm = (27 -12) L

     210 = 15

            = 14atm

You might be interested in
Which mountain range crosses the eastern part of the United States?
sergij07 [2.7K]

Answer:

the Appalachian Mountains

Explanation:

4 0
3 years ago
Why is america called land of the pilgrims pride?
Liono4ka [1.6K]
My country tis of thee,
Sweet land of liberty,
Of thee I sing.
Land where my fathers died!
Land of the Pilgrim's pride!
From every mountain side,
Let freedom ring!
('Tis of Thee)
Comes from that song, America was formed by pilgrims. The were proud that they formed a free country so it is Pilgrims Pride.
3 0
3 years ago
What occurred at the 1884 Berlin Conference?
Travka [436]

Answer:

B. Leaders of European and African countries worked together to partition Africa.

Explanation:

The Berlin Conference of 1884–85 was a meeting between European nations to create rules on how to peacefully divide Africa among them for colonization. The conference was convened by Portugal but led by Otto von Bismarck, chancellor of the newly united Germany. Though invited, the U.S. declined to participate

8 0
4 years ago
Naturally occurring, solid substances that have a crystalline structure and a defined chemical composition are called
Yanka [14]

The correct answer is B.

A mineral is defined as a naturally occurring substance that has a definite chemical composition  and crystal structure.

In order for a substance to be called a mineral, it must have all the four characters described in the definition.

- a mineral is always a solid and has a definite shape and volume.

- most minerals are made of two or more elements chemically combined to form a compound. It may also be made of a single element e.g.  gold, copper or sulphur.

-  all minerals have a characteristic crystal structure.

- minerals are grouped according to their chemical composition or makeup



8 0
4 years ago
Help show proof for brainlyest How did women participate in the Civil War? Select all that apply.
Law Incorporation [45]

Answer: Its B & C

Explanation:

ok it says here that women played an important role they farmed and did medics. ( think :) )

5 0
3 years ago
Read 2 more answers
Other questions:
  • We owe it our students put them in cell phone detox <br> ask a question
    7·1 answer
  • Local media vs. national (mass) media
    6·1 answer
  • The first needs that must be met before others, according to Maslow, positioned at the bottom of the hierarchy, are the _____ ne
    9·1 answer
  • In the case study, linda sanders had concerns related to her assigned responsibilities in
    13·1 answer
  • The post industrial society is
    9·1 answer
  • Which sociological approach would view sports as an agent for defining people's social positions as players, coaches, and refere
    6·1 answer
  • Jocelyn is a senior at the local university and plans to attend graduate school to study sociology. During her last semester, sh
    12·1 answer
  • ALL DOG'S MUST BE ON LEASHES
    9·1 answer
  • Folk musical in instruments represent ethnicity based or religion ba sed​
    14·1 answer
  • Write one PEEL paragraph in answer to the question "Is hosting the World Cup a good thing for the country and its people?"
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!