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
grin007 [14]
3 years ago
6

Calculate the density of helium if a balloon with a capacity of 5.00 L holds 0.890 g.

Chemistry
1 answer:
liubo4ka [24]3 years ago
5 0

Answer:

Explanation:

Density is m/V. Also, 1 liter = 1000 cm^3. So, we get 0.890/(5*1000) = 1.78*10^{-4} g/cm^3. You can convert this to kg/m^3 as well by multiplying it by 10. Depends which one you want.

You might be interested in
23492u undergoes alpha decay. what is the atomic number of the resulting element.
mash [69]
Alpha decay involves the loss of an alpha particle, aka a helium nucleus. This results in the mass number of the original element decreasing by 4 and the atomic number decreasing by 2. Assuming 23942u is uranium (92), the resulting element's atomic number is 90, making it thorium.
4 0
3 years ago
When a neutral atom becomes a negatively charged ion, or anion, the atom __________ electrons. a gains b loses c has no change i
faust18 [17]
Gain .....
It loses electron when a positive charge is formed..ex Na+

3 0
4 years ago
What is the answer and why
mario62 [17]
Nuclear power plant because that is a fission reaction and fusion would melt the power plant
4 0
3 years ago
Read 2 more answers
Which island is older Kauai or Maui
evablogger [386]

Answer:

Kauai

Explanation:

I look this up when I am doing math

5 0
3 years ago
Which statements about moon phases In a lunar month are true?
saveliy_v [14]

Answer:

1. The same pattern of phases repeats monthly

2. Waxing moon phases are visible between the new and full moon

6. A full moon appears toward the middle of a lunar month

Explanation:

Moon has eight phases which is used by the ancient people for the identification of date of the month. Phases of moon tells us about the starting, middle and end of the month. At the starting of the month, waxing crescent appears while at the middle of the month, the moon gains its full shape. Phases which occurs between new and full moon is known as waxing.

6 0
3 years ago
Other questions:
  • A very old tree limb contains an amount of carbon-14 that is approximately 1/8 of the current atmospheric 14C levels.. Calculate
    13·1 answer
  • What substances make up water?
    5·2 answers
  • Drag the description to the category
    11·1 answer
  • A gaseous hydrocarbon contains 80% carbon and 20% hydrogen, 1dm3 of the compound at s.t.p weighs 1.35g find the molecular formul
    10·1 answer
  • 1) A light bulb takes in 30 of energy per second. It transfers 3j as use
    7·1 answer
  • How many grams are 5.83 moles of C2H2
    9·1 answer
  • A meteorite is
    6·1 answer
  • Question 3 of 10 Which two features are parts of a line graph? D A. A line of best fit B. Anx axis C. A dependent variable OD. A
    15·1 answer
  • HELPPP PLEASE!!
    14·1 answer
  • If one solution contains 10% salt, and another contains 30% salt, the 30% salt solution is said to be _________ to the 10% salt
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!