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
3241004551 [841]
3 years ago
9

The methylene chloride solution is filtered through sodium sulfate to:

Chemistry
1 answer:
Vlad [161]3 years ago
5 0

Answer:

C. Dry the methylene chloride by removing water

Explanation:

Anhydrous sodium sulfate is known for its high capacity to absorb water, for this reason it is widely used in laboratories as a drying agent.

Sodium sulfate is a neutral molecule so it cannot be used to neutralize and is very stable, so it is difficult to precipitate organic molecules.

You might be interested in
Imagine that you are observing an enzyme-catalyzed reaction in lab. every time you add more enzyme, the reaction rate increases
tester [92]

Enzymes catalyze the chemical reactions, they act upon the reaction substrates and speed up the reaction. Enzymes have active sites, the places where the reaction substrates interact with the enzyme bringing about the conversion of substrates to products. So, as the enzyme concentration increases the rate of reaction increases till a point where the rate is leveled off. The rate does not further increase, as the substrate might have become limiting at that point. All the available amount of substrate would have been associated with the active sites of the enzymes. So, at that point although there is enough catalyst, lack of substrate would limit the rate of reaction.

6 0
3 years ago
Pretty sure its easy but i cant-
enyata [817]

Answer:

Tryptophan is an essential amino acid.

5 0
4 years ago
Read 2 more answers
Exactly one mole of an ideal gas is contained in a 2.00 liter container at 1,000 K. What is the pressure exerted by this gas?
Kipish [7]
pV = nRT

p = nRT/V 

p= 1 x 0.08205 x 1000/ 2

p = 41.025 Pa  

Edit: The unit should be atm instead of Pa, as pointed out by a nice human being.
4 0
4 years ago
Read 2 more answers
An atom has 18 protons, 18 electrons, and 20 neutrons. This atom has _____.
Lera25 [3.4K]

an atom that has 18 protons, 18 neutrons and 20 neutrons. This atom has mass number of 38

mass number is calculated as number of protons + number on neutrons

therefore the mass number of the atom = 18+20= 38

Since the atom has a electronic configuration of 2.8.8,the atom cannot be negatively or positively charged because it is stable.

The atomic number of the atom is 18 since atomic number is equal to number of protons

4 0
3 years ago
Read 5 more answers
What is the atomic number of an atom that has 20 protons and 20 neutrons
vladimir2022 [97]

Answer:

20

Explanation:

Hi there!

We need to find the atomic number of an atom that has 20 protons and 20 neutrons

the atomic number of an atom is equivalent to the amount of protons an atom has, as the number of protons determines what element an atom is.

Since the atom has 20 protons, the atomic number of the said atom is <u>20</u>

Hope this helps!  

5 0
3 years ago
Other questions:
  • A reaction produces .815 moles of H2O. How many molecules produces?
    14·2 answers
  • Solve using significant figures <br> 8.647 + 45.969
    15·2 answers
  • What are they waiting? or what are their waiting?<br><br>please correct me if I'm wrong​
    6·1 answer
  • Give the oxidation number of the element indicated for each compound.
    15·1 answer
  • Which of the following experimental observations proved that the plum pudding model was flawed? (1 point)
    10·1 answer
  • Which statement is true of a heterogeneous mixture but not of a
    12·1 answer
  • Balanced chemical equation for formation of bleaching powder?​
    5·2 answers
  • Hello again. Image is below
    10·1 answer
  • NEED HELP FAST! 20 POINTS!!
    15·2 answers
  • Write the formula for each of the following...I'm not telling you what kind of compound it
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!