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
Juliette [100K]
3 years ago
11

What is said to have happened to the electrons in an atom in its ground state absorbs a quantum of energy from light

Chemistry
1 answer:
Rus_ich [418]3 years ago
3 0

Answer:

The electron from the ground state to occupy a next energy level. In this case,we say that the electron is excited

You might be interested in
When 0.25 moles of NH3 are produced according to the reaction below, how many moles of H2 must have reacted?
marissa [1.9K]

Answer:

Explanation:

by stoichiometry

nNH3/2=nH2/3

0.25/2=nH2/3

nH2=0.25×3/2

nH2=0.375 mol

so its 0.38 mol

6 0
3 years ago
Read 2 more answers
Which are examples of habitat destruction? Check all that apply
RSB [31]

An example of habitat destruction could be a squirrel who lives in a tree but modern civilication cutting down the squirrels tree and leaving it homeless

5 0
3 years ago
Read 2 more answers
The quantity, q grams, of the radioactive isotope strontium-90 present in a sample decreases by half over a period of about t =
velikii [3]
Notice q=3/2, is half of the original q = 3(<span>1/2</span>)<span>t/28.8
your welcome

</span>
8 0
3 years ago
Read 2 more answers
What is the mass percent of potassium sulfate in solution if 78g of potassium sulfate is dissolved in 500 mL of water? (The dens
Debora [2.8K]

Answer:

13.5 %

Explanation:

First we<u> calculate the mass of 500 mL of water</u>, using <em>its density</em>:

  • Volume * Density = Mass
  • 500 mL * 1.00 g/mL = 500 g

Then we <u>calculate the mass percent of potassium sulfate</u>, using the formula:

Mass of Potassium Sulfate / Total Mass * 100%

  • 78 g / (78 + 500) g * 100 % = 13.5 %

6 0
2 years ago
During the third stage of labor what happens? (it's not C)
QveST [7]

Answer:

B

Explanation:

placenta comes after baby

5 0
2 years ago
Other questions:
  • (CH3)2N2H2 + N2O4 → N2 + H2O + CO2 + heat [balance?]​
    14·1 answer
  • When a hydrogen atom covalently bonds to another atom, how many electrons associated with this hydrogen atom become involved in
    14·1 answer
  • Magnesium metal put into acid? Physical or chemical change
    7·2 answers
  • Is the lithosphere a solid rock or a liquid rock
    15·1 answer
  • A sample of an unknown liquid has a mass of 21.09 g, and a volume of 6.44 ML. What is the density of this liquid?
    5·1 answer
  • Aliphatic compounds are formed from a.animal fats b.plant cellulose c.bonding inorganic compound d.bonding hexane and methane mo
    11·1 answer
  • Which of the elements below has the highest ionization energy? Carbon, calcium, barium, or fluorine?
    15·1 answer
  • I can't understand this I need it done by 4:20​
    8·1 answer
  • C. What is oxidized in the reaction? What is reduced? (2 points)
    15·1 answer
  • Can you show me how these are done ? show all work pleaseItem D
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!