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
erica [24]
3 years ago
8

6 Calculate the number of molecules in 8 g of oxygen.

Chemistry
1 answer:
Mariana [72]3 years ago
3 0

Answer:

If you mean the number of atoms in 8g of oxygen, it's 3.011 x 10^23 atoms.

Explanation:

Convert the grams to moles. 8 grams of oxygen is 0.5 moles. Then multiply the number of moles by Avogadro's number: 6.022 x 10^23.

You might be interested in
What is the manganese (IV) oxide function
viva [34]

Answer:

It is used as a catalyst.

6 0
3 years ago
Explain why beryllium is produced when potassium is heated with beryllium
Vladimir [108]

Explanation:

The more reactive element replaces less reactive element during chemical reaction.

Since, potassium is more reactive than beryllium. When potassium reacts with beryllium choride, it replaces beryllium and forms potassium chloride and produces beryllium.

3 0
2 years ago
Chemosynthesis and photosynthesis are both processes that produce food. <br><br> True or false?
MA_775_DIABLO [31]

Answer:

true

Explanation:

probably true

8 0
3 years ago
How many half-lives will pass by the time 1.56% of I-131 is present? B. Approximately how many days does that equal? *
serg [7]

Answer: Hmmmmm that's crazy....

There are a couple of equations one could use for this type of problem, but I find the following to be the easiest to use and to understand.

Fraction remaining (FR) = 0.5n

n = number of half lives that have elapsed

In this problem, we need to find n and are given the FR, which is 1.56% or 0.0156 (as a fraction).

0.0156 = 0.5n

log 0.0156 = n log 0.5

-1.81 = -0.301 n

n = 6.0 half lives have elapsed

Explanation:

Just wanted to help. Hopefully it's correct wouldn't want to waster your time ;)

6 0
2 years ago
Please help, I'll give 5 stars and brainliest!
Bezzdna [24]
Huh. Is this supposed to be biology?
8 0
2 years ago
Read 2 more answers
Other questions:
  • According to periodic trend, which of the following most likely has the highest ionization energy?
    15·2 answers
  • A 0.9182 g sample of CaBr2 is dissolved in enough water to give 500 ml of solution. what is the calcium ion concentration in thi
    11·1 answer
  • Which statement describes KCI(aq)?
    8·1 answer
  • Which of the following molecules/ions has a pyramid shape?
    8·1 answer
  • How many moles of hexane must burn to form 18.4 mol of carbon dioxide
    8·2 answers
  • Cu + AgNO3 → Ag + CuNO3
    5·1 answer
  • When the pressure of a gas doubles, the new volume
    9·1 answer
  • The diagram is a model of one way that materials move into a cell.
    7·2 answers
  • Can someone help me??
    12·2 answers
  • As the temperature of a gas increases, explain what happens to its density and why.
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!