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
Radda [10]
3 years ago
13

A weather balloon is inflated to a volume of 2.2 x 10^3 L with 37.4 g of helium. What is the density of helium in grams per lite

r?
Chemistry
1 answer:
Ede4ka [16]3 years ago
8 0
Density = mass/volume
substituting the given values :
We get :
D = 37.4 / 2.2 x 10^3
D = 0.017 grams/liter
You might be interested in
He generic metal a forms an insoluble salt ab(s) and a complex ac5(aq). the equilibrium concentrations in a solution of ac5 were
elena55 [62]
Balanced chemical reaction: A + 5C ⇄ AC₅.
<span>[A] = 0.100 M; equilibrium concentration.
</span><span>[C] = 0.0380 M.
</span>[AC₅] = 0.100 M.
Kf = [AC₅] / ([A] · [C]⁵).
Kf = 0.100 M ÷ (0.100 M · (0.0380 M)⁵.
Kf = 12620658.54 = 1,26·10⁷.
<span>The formation constant can be calculated when </span>chemical equilibrium is reached, when the forward reaction rate is equal to the reverse reaction rate.
7 0
3 years ago
How can air pollution affect plants?
GarryVolchara [31]

Answer:

C. air pollution absorbs carbon dioxide

Explanation:

Carbon dioxide's role in the greenhouse effect is a major contributor to air pollution. Radiation and heat emanating from the earth's surface need to be released out into the atmosphere. But because carbon dioxide levels are so high, there is an ozone effect on the ground level.

8 0
2 years ago
Which of the following has the highest concentration?
Andreyy89

Answer:

ℂ

Explanation:

ℂ

5 0
2 years ago
PLEASE HELP I WILL GIVE BRAINLIEST!!!!!
dangina [55]

Answer:

I think the answer is c!

Explanation:

Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components. A chemical substance is composed of one type of atom or molecule. hope this helps you!

8 0
2 years ago
When ethane (
LuckyWell [14K]

Answer:

9 Moles

Explanation:

C2H6 has 6 Hydrogens and Water Has 2 Hydrogens

so it takes 1 mole ethane to produce 3 moles water

1 Mole Ethane ----> 3 Moles Water so 3 ----> 9 moles

7 0
3 years ago
Other questions:
  • Undifferentiated or general cells in animals that later differentiate into specialized cells are called__________ cells.
    6·1 answer
  • Which of the following is a homogeneous mixture?
    7·2 answers
  • The binding of molecules to the surface of a catalyst is referred to as ________.
    14·1 answer
  • Question 1
    9·1 answer
  • Why is thinking of a homework plan is not a form of work?
    6·1 answer
  • What is a measure of force that is generated by the action of gravity on the mass of an object
    5·1 answer
  • The ability to attract an electron for bonding is called:
    13·1 answer
  • Provide an explanation at the subatomic level to explain why different colors are observed for different metal salts.
    14·2 answers
  • Who.
    14·2 answers
  • The source of thermal energy that an internal combustion engine uses is _____
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!