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
k0ka [10]
3 years ago
8

Will get brainlest and i with 10 points if right

Chemistry
1 answer:
Dima020 [189]3 years ago
4 0

Answer: D

Explanation:

They form from Coal under high high pressure and many many years

You might be interested in
What is the mass of 0.714 moles of Mercury (I) Chloride (Hg2Cl2)?
ArbitrLikvidat [17]
Data:

m (<span>Sample Mass) = ? 
n (</span><span>Number of moles) = 0.714 mol
MM (Molar Mass) of </span>Mercury (I) Chloride (Hg_{2}  Cl_{2})
Hg = 2*200.59 = 401.18 amu
Cl = 2*35.453 = 70.906 amu
----------------------------------------
Molar Mass Hg_{2} Cl_{2} = 401.18 + 70.906 = 472.086 ≈ 472.09<span> amu or 472.09 g/mol
</span>
Formula:

n =  \frac{m}{MM}

Solving:


n = \frac{m}{MM}
0.714 =  \frac{m}{472.09}
m = 337.07226\:\to\:\boxed{\boxed{m\approx 337 g}} \end{array}}\qquad\quad\checkmark

Answer:
By approximation would be letter D) <span>337.2 g</span>


8 0
3 years ago
Sketch two amino acids side-by-side, on one of them label the functional groups, then show how the two can be joined together.
Alinara [238K]

Answer : The sketch of two amino acids side by side are shown below.

Explanation :

Amino acid : Amino acid are the acid that contains two functional groups which are carboxylic group, -COOH and ammine group, -NH_2.

When the two or more that two amino acids join together with the help of peptide bond, they produces polypeptide chain or protein.

The bond present between the two amino acid is called a peptide bond.

The peptide bond is a chemical bond that is formed between the two molecules when the nitrogen of one amino acid react with the carbon of another amino acid by releasing a water molecule.

Hence, the sketch of two amino acids side by side are shown below.

6 0
3 years ago
Explain why Nitrogen -17 is unstable
Yuri [45]
Has only 7 electrons so it want to bond with other elements so its very reactive and unstable. Hope this helps
4 0
1 year ago
What is wrong with the way that the hypothesis, “Chocolate may cause pimples”, is written?
DaniilM [7]

Answer:

More sweet and cute with the little ones on the surface and a little more

8 0
3 years ago
Read 2 more answers
The half-life of radon gas is approximately four days. Four weeks after the introduction of radon into a sealed room, the fracti
maksim [4K]

The fraction of the original amount remaining is closest to 1/128

<h3>Determination of the number of half-lives</h3>
  • Half-life (t½) = 4 days
  • Time (t) = 4 weeks = 4 × 7 = 28 days
  • Number of half-lives (n) =?

n = t / t½

n = 28 / 4

n = 7

<h3>How to determine the amount remaining </h3>
  • Original amount (N₀) = 100 g
  • Number of half-lives (n) = 7
  • Amount remaining (N)=?

N = N₀ / 2ⁿ

N = 100 / 2⁷

N = 0.78125 g

<h3>How to determine the fraction remaining </h3>
  • Original amount (N₀) = 100 g
  • Amount remaining (N)= 0.78125 g
  • Fraction remaining =?

Fraction remaining = N / N₀

Fraction remaining = 0.78125 / 100

Fraction remaining = 1/128

Learn more about half life:

brainly.com/question/26374513

7 0
2 years ago
Other questions:
  • The process of manufacturing sulfuric acid begins with the burning of sulfur. What mass of sulfur would have to be burned in ord
    12·1 answer
  • How does the freezing and boiling point of ocean water compare to those of distilled water?
    14·1 answer
  • How many atoms are in KNO3?
    12·1 answer
  • What is the first anmial
    13·1 answer
  • How is life on Earth affected by Earth's revolution around the Sun
    8·1 answer
  • What are sodium salts of long-chain fatty acids called?
    6·2 answers
  • [15 points] please help!!
    6·2 answers
  • Help pls pls pls I really need this answer
    14·1 answer
  • How long will it take for a 40.0 gram sample of I-131 (half-life = 8.4 days) to decay to 1/16 its original mass?
    5·1 answer
  • 78.5 g of Carbon dioxide gas fills a container that is 1.2 L. What is the
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!