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
Brilliant_brown [7]
3 years ago
10

How many moles are in 30 mL water sample

Chemistry
1 answer:
astra-53 [7]3 years ago
6 0

Answer:

moles of water in 1 ml = 1/18 mol.

take 1 ml and calculate it by 30

1 ml x 30= 30 ml

Explanation:

You might be interested in
the diagram below shows DNA molecules. What do the broken lines connected to hydrogen atoms represent in this diagram?
uranmaximum [27]

Answer is: hydrogen bonds.

Hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (H), covalently bound to a highly electronegative atom such as flourine (F), oxygen (O) and nitrogen (N) atoms.

According to the principle of base pairing hydrogen bonds could form between adenine and thymine (two hydrogen bonds between this nucleobases) and guanine and cytosine (three hydrogen bonds between this nucleobases).

Adenine and guanine are purine derivatives and thymine and cytosine are pyrimidine derivates.

5 0
3 years ago
Read 2 more answers
Which statement describes a process involved in the evolution of Earth’s early atmosphere?
yan [13]

Answer:

The statement describes a process involved in the evolution of Earth’s early atmosphere would be:

Cyanobacteria transformed carbon dioxide in the atmosphere into oxygen during photosynthesis

Hope it helped :3

4 0
3 years ago
Write the balance chemical equation for propane.
Mars2501 [29]
It would be 3C + 4H2 -> C3H8
3 0
3 years ago
What is the correct name for the cyclic alkane shown on the right?
Soloha48 [4]

Answer: C

Explanation:

4 0
3 years ago
Read 2 more answers
Diffrence btwn a period and a group
Tpy6a [65]
Rows of elements are called periods. The period number<span> of an element signifies the highest unexcited energy level for an electron in that element.

</span>Columns of elements help define element groups<span>. </span>Elements within a group share<span> several common properties. Groups are elements have the same outer electron arrangement.</span>
8 0
3 years ago
Other questions:
  • In addition to the separation techniques used in this lab (magnetism, evaporation, and filtering), there are other commonly used
    6·1 answer
  • Which of the following reactions results in a decrease in entropy? 2SO2 (g) + O2 (g) yields 2SO3 (g) 2NH3 (g) yields N2 (g) + 3H
    6·2 answers
  • Which word refers to the smallest functional unit of living thing
    7·1 answer
  • Select the phrase that completes each statement. • Honey is . • Grape juice is • Sand on the beach is . • A mixture of carbon di
    8·1 answer
  • If 185 mg of acetaminophen were obtained from a tablet containing 350 mg of acetamino- phen, what would be the weight percentage
    9·1 answer
  • A buffer is 0.282 m c6h5cooh(aq and 0.282 m na(c6h5coo(aq. calculate the ph after the addition of 0.150 moles of nitric acid to
    11·1 answer
  • HELP PLEASE!!!!!
    14·2 answers
  • After distilling your crude methyl benzoate, you set aside 4.83 grams of the purified ester. You then prepare the grignard reage
    9·1 answer
  • What happens to ice as it warms up
    7·2 answers
  • All mutations _____.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!