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
Amiraneli [1.4K]
3 years ago
15

Neon atoms are known to produce a mass spectrum that consists of three peaks at m/z values of 20, 21 and 22, with the relative a

bundance of the peaks found to be in the ratio 112:0.21:11.1. Assuming the z value of the species causing the peaks to be +1 in each case, calculate the average atomic mass of neon based on these data.
Chemistry
1 answer:
wel3 years ago
4 0

Answer:

Explanation:

m / z = 20 , 21 , 22

m / 1 = 20 , 21 , 22

m = 20 , 21 , 22 .

ratio of isotopes = 112 : 0.21 : 11.1

Average atomic mass = (112 x 20 + .21 x 21 + 11.1 x 22) / (112 + .21 + 11.1 )

=  (2240 + 4.41 + 244.2) / 123.31

= 2488.61 / 123.31

= 20.18

You might be interested in
A bluebird lives in a maple tree. It builds a nest in the tree, where its eggs can be protected from the harsh environment. This
zysi [14]

Answer:

commensalism

(hope i spelled that right)

Explanation:

if the bird only nest in it and

the tree isn't really bothered or affected by the bird.

4 0
2 years ago
All cells _____.
xeze [42]
The answer is the fourth choice, or Have membrane-bound organelles. Hope this helps you!

Please mark as Brainliest if this was correct!


-Belle
7 0
3 years ago
Illustrate: The Avogadro constant is so large it is normally written in scientific notation. To
Licemer1 [7]

Answer:

602200000000000000000000

Explanation:

move the decimal place over 23 places to the right

5 0
3 years ago
Read 2 more answers
I need help solving this!
zmey [24]

Answer: Moles of hydrogen required are 4.57 moles to make 146.6 grams of methane, CH_{4}.

Explanation:

Given: Mass of methane = 146.6 g

As moles is the mass of a substance divided by its molar mass. So, moles of methane (molar mass = 16.04 g/mol) are calculated as follows.

Moles = \frac{mass}{molar mass}\\= \frac{146.6 g}{16.04 g/mol}\\= 9.14 mol

The given reaction equation is as follows.

C + 2H_{2} \rightarrow CH_{4}

This shows that 2 moles of hydrogen gives 1 mole of methane. Hence, moles of hydrogen required to form 9.14 moles of methane is as follows.

Moles of H_{2} = \frac{9.14}{2}\\= 4.57 mol

Thus, we can conclude that moles of hydrogen required are 4.57 moles to make 146.6 grams of methane, CH_{4}.

5 0
3 years ago
Information gathered by a scientist about the toxicity of chemical X and chemical Y showed that they had individual safe limits
timofeeve [1]

Answer:

Synergism

Explanation:

This is an example of Synergism. Synergism is nothing but working out of two medicines together.

Examples of medical synergies are when doctors treat microbial heart infections with ampicillin and Gentamicin and when people with cancer undergo radiation and chemotherapy or more than one chemotherapy drug at a time.

6 0
3 years ago
Other questions:
  • Single atoms can be seen with a powerful light microscope
    15·2 answers
  • What would be the proper name of a compound whose formula is hcl (aq)?
    6·1 answer
  • HELP PlEASE
    10·2 answers
  • Equation for the reaction of water and HCL(g)
    8·1 answer
  • What is Mendeleev’s Periodic Law? How many elements were classified by Mendeleev?
    9·2 answers
  • 16. In which of these cases do we have enough information to say that the atom is electrically neutral? A. The atom has 15 neutr
    13·2 answers
  • What do you think you would observe when
    14·1 answer
  • The Statue of Liberty changing from Copper to Green is an example of...
    10·1 answer
  • Calculate the mass of sodium hydroxide needed to make a 5.00L with a molarity of 0.400M​
    12·1 answer
  • What is leukemia?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!