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
Olenka [21]
3 years ago
12

A home gets its water from a private well which of the following is a sign that the water quality maybe low

Chemistry
1 answer:
Natali [406]3 years ago
6 0
Your answer would probably be D!
You might be interested in
In the bohr model of the hydrogen atom, the energy required to excite an electron from n = 2 to n = 3 is _______________ the ene
12345 [234]

In the bohr model of the hydrogen atom, the energy required to excite an electron from n = 2 to n = 3 is <u>greater than</u> the energy required to excite an electron from n = 3 to n = 4

Bohr's energy levels:

The essential concept of Bohr's atomic model is that electrons occupy specified orbitals that call for the electron to have a certain amount of energy. An electron needs to be in one of the permitted orbitals and have the correct amount of energy needed for that orbit in order to be in the electron cloud of an atom. An electron would require less energy to orbit near the nucleus, while an electron would need more energy to orbit away from the nucleus. Energy levels are the potential orbits. One of Bohr's models' flaws was that he was unable to explain why just specific energy levels or orbits were permitted.

It is evident that the energy required to escape an electron from n=2 to n=3 is greater than the energy required to exit an electron from n=3 to n=4. This is because as n increases, the energy levels move closer to one another.

Learn more about Bohr's model here:

brainly.com/question/3964366

#SPJ4

6 0
2 years ago
The change from liquid to solid, or the reverse of melting, is called
Salsk061 [2.6K]
Wen a liquid turns into solid it loses thermal energy D freezing
3 0
4 years ago
Read 2 more answers
What type of reactions will produce radiation?​
snow_tiger [21]

Answer:

The two most common modes of natural radioactivity are alpha decay and beta decay. Most nuclear reactions emit energy in the form of gamma rays.

Explanation:

Pls consider marking my answer as Brainliest! It would mean a lot!

5 0
3 years ago
You wish to generate 1.00 L of a 0.0750 M NaCl solution by diluting a more concentrated solution. What volume (in mL) of a 0.275
miss Akunina [59]

Taking into account the definition of dilution, you need to use a volume of 272.72 mL of a 0.275 M NaCl solution.

<h3>Dilution</h3>

When it is desired to prepare a less concentrated solution from a more concentrated one, it is called dilution.

Dilution is the process of reducing the concentration of solute in solution, which is accomplished by simply adding more solvent to the solution at the same amount of solute.

In a dilution the amount of solute does not change, but as more solvent is added, the concentration of the solute decreases, as the volume (and weight) of the solution increases.

A dilution is mathematically expressed as:

Ci×Vi = Cf×Vf

where

  • Ci: initial concentration
  • Vi: initial volume
  • Cf: final concentration
  • Vf: final volume

<h3>Initial volume</h3>

In this case, you know:

  • Ci= 0.275 M
  • Vi= ?
  • Cf= 0.0750 M
  • Vf= 1 L

Replacing in the definition of dilution:

0.275 M× Vi= 0.0750 M× 1 L

Solving:

Vi=(0.0750 M× 1 L)÷ 0.275 M

<u><em>Vi= 0.27272 L= 272.72 mL</em></u>

In summary, you need to use a volume of 272.72 mL of a 0.275 M NaCl solution.

Learn more about dilution:

brainly.com/question/6692004

brainly.com/question/16343005

brainly.com/question/24709069

#SPJ1

8 0
2 years ago
What happens in a redox reaction?
ruslelena [56]
The answer is c ! :)
3 0
3 years ago
Other questions:
  • One method of favoring the formation of an ester is to add excess acetic acid. Suggest another method, involving the right-hand
    10·1 answer
  • What energy conversion occurs when a battery powered car rolls across the floor ?
    14·2 answers
  • The reaction of sodium peroxide and water produces sodium hydroxide and oxygen gas. The following balanced chemical equation rep
    9·1 answer
  • Na + CI2 =2NaC is It balanced
    6·1 answer
  • What is the net ion equation and spectator ions for the reaction of (aq) NaC2H3O2 and aq (NH4)2 CO3?
    14·1 answer
  • Directions: The diagram below shows Earth's orbit around the Sun. Use the diagram and
    5·1 answer
  • In redox reactions, _____________ occurs when electrons are lost by a molecule. ______________ occurs when electrons are gained
    7·1 answer
  • Which substance can be decomposed by a chemical change?
    5·1 answer
  • How does an electrolytic cell work?
    11·1 answer
  • Prepare 100ml of 10mM NaoH solution from 10M stock solution NaoH , M.wt of NaoH =40?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!