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
Anika [276]
3 years ago
9

A gas that has a volume of 28 liters, a temperature of 450c, and an unknown pressure has its volume increased to 34 liters and i

ts temperature decreased to 350c. If i measure the pressure after the change to be 2. 0 atm, what was the original pressure of the gas?.
SAT
1 answer:
sp2606 [1]3 years ago
4 0

Answer:

2.82 atm

Explanation:

Initial:

V1 = 28 liters, T1 = 450 C = 450 + 273 K = 723 K, P1 = ?

Final:

V2 = 34 liters, T2 = 350 C = 350 + 273 K = 623 K, P2 = 2.0 atm

Use P1 * V1 / T1 = P2 * V2 / T2

so P1 = P2 * (V2/V1) * (T1/T2) = 2.0 * (34/28) * (723/623) = 2.82 atm

You might be interested in
Ułóż zdanie z dowolnym liczebnikiem w funkcji orzecznika w orzeczeniu imiennym.
Scrat [10]

Answer:WHAT?

Explanation:

3 0
3 years ago
Help please <br> I need help on this question
Umnica [9.8K]

Answer:

it's equivalent to B. 6x + 5

Explanation:

Given

f(x) = -2x + 5

f(- 3x) = - 2 * (-3x) + 5 = 6x + 5

8 0
3 years ago
A rectangle’s length is 2 units more than twice its width. Its area is 40 square units. The equation w(2w + 2) = 40 can be used
user100 [1]
Hope this helps!
Answer
from gauth.math btw

7 0
3 years ago
Help me please!
bazaltina [42]

Answer:

I think its C, I hope this is helpful

Explanation:

6 0
3 years ago
A food worker washes her hands before taking a torn package of dry pasta.
blsea [12.9K]

The hazard of the food worker that is most likely to make pasta unsafe to eat is;

A; Torn packaging fragments

Complete question is;

A food worker washes her hands before taking a torn package of dry pasta from the food storage area. She dumps the pasta In the stainless pot to cook.

What hazard is most likely to make pasta unsafe to eat?

A. Torn packaging fragments

B. Metal leaching from the pot

C. Pathogens from the worker’s hand

D. Soap residue from the worker’s hands

Food contamination can occur during packaging and storage of processed foods if the different quality standards that need to be followed are not observed.

Now, we are told that the package of dry pasta was torn before she put it into the stainless pot to cook. This means that ounce she washed her hands there is not likely to be any microbiological contamination but instead there will be chemical contamination that arises from fragments of the torn pasta package which could have entered inside it before putting into the cooking pot.

In conclusion, the hazard likely to have occurred to make the package unsafe to eat is called Torn packaging fragments.

Read more about food contamination at; brainly.com/question/12883271

6 0
3 years ago
Other questions:
  • I need help with the all questions please
    13·1 answer
  • Which of the following programs provides high quality training and safety, union agreements, hundreds of hours of on-the-job tra
    7·2 answers
  • What is ur guys opion about biden
    6·1 answer
  • How much does it cost to be a member of brainly
    15·2 answers
  • Im wayyyy 2 nice u can have all these points add me as a friend thxxx
    13·1 answer
  • Please don’t have a friend
    12·1 answer
  • "Psychologists say having fun is a basic human need. Yet we’ve been taught that if you’re playing, you can’t be working. What ha
    15·1 answer
  • is this statement true or false? nafta eliminated tariffs between the countries of mexico, the united states, and canada.
    7·1 answer
  • Sydney is the production manager of silver enterprises, a small producer of metal parts. Silver enterprises supplies afc trading
    12·1 answer
  • 2. Which of the following wires expanded the least at 80°C?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!