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
frutty [35]
3 years ago
14

Identify the number of significant figures in each measurement.

Chemistry
1 answer:
Zepler [3.9K]3 years ago
7 0
0.052301= 6 sig. figure
400 cm. = 3 significant figures
50.0. =. 3. Significant figure
4500.01=. 6 significant figure
You might be interested in
Separating fluids, such as blood, is best accomplished using:
Vera_Pavlovna [14]

Centrifugation is usually use to separate different components of blood.

4 0
3 years ago
Use the drop-down menus to identify the effect of each mutation.
krek1111 [17]

Answer:

1 neutral

2 beneficial

3 harmful

Explanation:

7 0
4 years ago
Read 2 more answers
Determine the oxidation states of the elements in the compounds listed. None of the oxygen-containing compounds are peroxides or
natka813 [3]

Answer:

Explanation:

You need to remember that the oxidation number of H is +1, except when it is in a metal hydrites like NaH, where its oxidation number is -1. Then, the oxidation number of O is -2, but in peroxides is -1. So with these rules you just have to multiply the ox. number with the name of atoms and all the elements in the reaction must sum 0.

5 0
3 years ago
What percent of an original sample remains after 3 half-lives? After 5 half-lives?
Salsk061 [2.6K]

Answer:

Three half lives corresponds to (12)3 . So a 18 quantity of the original isotope is retained. And the percentage of quantity of a radioactive material that remains after 5 half-lives will be . ∴NN0×100=10032=3.125.

7 0
4 years ago
#22.) In the reaction 2CO(g) + O2(g) → 2CO2(g), what is the ratio of moles of oxygen used to moles of CO2 produced?
erastovalidia [21]
For number 22. The answer is c. To find this look at the numbers before each compound O2 has no number which means 1, while CO2 has a 2 in front
4 0
3 years ago
Other questions:
  • A 5L sample of CO2 at 540 torr and 25 degrees celsius expands to 15L at 32 degrees celsius. What is the pressure of the new cont
    9·1 answer
  • ½ H₂(g) + ½ I₂(s) --> HI(g) ΔH= 26 kJ/mol
    13·1 answer
  • Explain Charles law <br>​
    15·1 answer
  • Isaac newton eyes optics is it a theory or law?
    5·2 answers
  • What process takes place in stars
    14·2 answers
  • What colour is Calcium Hydroxide solution​
    7·1 answer
  • Is the mantle hotter than the core <br> true or false
    5·2 answers
  • A wooden baseball bat is an example of
    12·2 answers
  • A rectangular container of air measures 1.2 x 10-2 m by 8.34 x 10 1 m by 6.0 x 10-1 m. Air
    12·1 answer
  • The condensation of water vapor in the atmosphere and subsequent transfer to the ocean via precipitation is an example of a(n)?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!