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
raketka [301]
3 years ago
8

A balloon containing helium gas expands from 230

Chemistry
1 answer:
andre [41]3 years ago
5 0

Answer:

1.0 *10^(-4) mol

Explanation:

For gases:

n1/n2 = V1/V2

n1/3.8*10^(-4) mol = 230 mL/ 860 mL

n1 = 3.8*10^(-4)*230/860 = 1.0 *10^(-4) mol

You might be interested in
How many CL are in a L
swat32

Answer:

100

Explanation:

5 0
3 years ago
The electron cloud is the predicted location for
antoniya [11.8K]

Answer: Elections

Explanation:

Cause it is :)

6 0
3 years ago
Which of these instruments sends its measurements directly to a computer?
JulijaS [17]

Only C. a temperature probe sends its measurement directly to a computer.

However, you can buy stopwatches that send their measurements via Bluetooth to your smartphone and you can then download them to a computer.

5 0
3 years ago
Read 2 more answers
What are resources?​
Georgia [21]

Answer:

A resource is a source or supply from which a benefit is produced.

Explanation:

hope it helped :)

6 0
3 years ago
1 point
lawyer [7]

Answer:

B

Explanation:

you're moving the decimal 8 spots to the left so it can only be B

6 0
2 years ago
Other questions:
  • If I fill a tall glass with water and then transfer the water to a shorter glass, it appears there is more water. Is there more
    8·1 answer
  • What is the value of n in CH3(CH2)nCH3 if the name of the hydrocarbon is heptane
    15·2 answers
  • How many moles of NO can be formed when 2.86 mol of N2 reacts?
    11·1 answer
  • If a chocolate bar has 270 Calories from fat, does this mean the chocolate bar has 15 or 30. grams of fat? Explain.
    7·2 answers
  • Elements for NaC1(5)
    9·1 answer
  • The value of Δ G ° ' for the conversion of glucose-6-phosphate to fructose-6-phosphate (F6P) is + 1.67 kJ/mol . If the concentra
    5·1 answer
  • Both the sweatshirt and the balloon are negatively charged. They are most
    6·1 answer
  • Mars
    12·1 answer
  • What are two things that interact that determine if there is a phase change or not HELP
    15·1 answer
  • Calculate the volume occupied by 10 moles of hydrogen gas at 145K and 705 Torr.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!