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
vredina [299]
3 years ago
6

"a sample of helium gas at 27.0 °c and 4.20 atm pressure is cooled in the same container to a temperature of -73.0 °c. what is t

he new pressure?"
Chemistry
1 answer:
beks73 [17]3 years ago
4 0

Answer: 2.80 Atm

Explanation:

Gay-lussac's law

P1÷T1=P2÷T2

T2·P1÷T1

(200)·(4.20)÷300

You might be interested in
The volume of an object is 80.0cm3 and its mass is 253g. Calculate the density of this object using the correct number of signif
jonny [76]
3.1625 i think that's what it is beacuse you have to divide the mass by the volume to get the density
6 0
3 years ago
Which is the best description of a cyclone?
RoseWind [281]
I think the one that best describes a cyclone is the first one (a dust storm rapidly changing weather in an area)
4 0
3 years ago
Potassium bromide has a melting point of 734°C.
dezoksy [38]

Answer:

The stronger the intermolecular forces are, the more energy is required, so the higher the melting point is. Many intermolecular forces depend on how strongly atoms in the molecule attract electrons — or their electronegativity.

kamsahamnida

hope you satisfied with my answer , if anything wrong in my answer , I May rewrite it !!!!

3 0
3 years ago
The label shown above contains information about some harmful effects of acetone.A group of students plans to use acetone to rin
Fed [463]

Answer:

<u>Heating water with an open flame</u>

<u>Explanation:</u>

Remember, we are told in the label that Acetone is a "flammable liquid and vapor." <em>Being flammable means the substance can easily be set on fire</em>, and we would expect an open flame from heating water to trigger an explosion (a disaster) in which the Acetone is set on fire causing life-threatening dangers to the second group of students.

8 0
3 years ago
Below is a list of the first 10 residues of the B helix in myoglobin from different organisms.
max2010maxim [7]

Answer:

i dont knoiwxplanation:

8 0
3 years ago
Other questions:
  • Bill dropped in to see Sarah. How long is it appropriate for him to stay?
    6·1 answer
  • HEY GUYS, CAN 1 OF YOU SOLVE THIS QUESTION PLEASE!!!! WILL MARK BRAINLIEST WITH 5 STAR VOTE AND A THANK YOU ALONG WITH 30 POINTS
    6·1 answer
  • How does the polar jet stream influence the weather on the southern tip of soth america?
    8·1 answer
  • Which of the following is the most common kind of chemical bond in biological molecules?
    5·2 answers
  • A reactant decomposes with a half-life of 129 s when its initial concentration is 0.380 M. When the initial concentration is 0.5
    15·1 answer
  • Describe the chemical reaction based on the chemical equation below. Also, explain whether the equation is balanced. NH3(g)+o2=N
    5·1 answer
  • A 2300-gram sample of NaCl (ℓ) completely reacts, producing 820 grams of Cl2 (ℓ). What is the total mass of Cl2(g) produced?
    14·1 answer
  • Why is Potassium not used in school laboratory
    13·2 answers
  • The indicator phenolphthalein is added to the _____________.
    12·1 answer
  • Which characteristic of money explains why an old dollar is worth as much as a crisp, new dollar?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!