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
Kaylis [27]
3 years ago
15

What would be another property that we Earthlings could use to classify stars?

Chemistry
1 answer:
Blizzard [7]3 years ago
8 0

Answer: At the point when space experts take a gander at an article's range, they can decide its arrangement dependent on these frequencies. The most well-known technique stargazers use to decide the sythesis of stars, planets, and different articles is spectroscopy. This spread-out light is known as a range.

Explanation:

You might be interested in
The human body excretes nitrogen in the form of urea, NH₂CONH₂. The key step in its biochemical formation is the reaction of wat
Misha Larkins [42]

Mass perventage of nitrogen in urea, arginine, ornithine is   46.67%, 32.2%,21% respectively.

What is Mass perventage ?

Mass percentage is one way of representing the concentration of an element in a compound or a component in a mixture. Mass percentage is calculated as the mass of a component divided by the total mass of the mixture, multiplied by 100.

Molecular mass of urea (NH2CONH2) is= 2× (Atomic mass of N ) + 4 × (Atomic mass of H) + (Atomic mass of C) (Atomic mass of O) = 60

Mass percentage of N = Total mass of N atoms in the compoundMass of compound×100=2860×100=46.67%

chemical formula for arginine is C6H14N4O2

molar mass of C6H14N4O2=174g/mol

moles of N atoms in C6H14N4O2=4

mass of N atoms=14*4=56g

mass percent of N in C6H14N4O2=(56/174)*100=32.2%

the chemical formula for ornithine is C5H12N2O2

molar mass of C5H12N2O2=132g/mol

moles of N atoms in C5H12N2O2=2

mass of N atoms in C5H12N2O2=2*14=28

mass percent of N in C5H12N2O2=(28/132)*100=21%

To learn more about urea click on the link below:

brainly.com/question/17812875

#SPJ4

7 0
1 year ago
What activates a convenient current starting to flow of a fluid?
Lostsunrise [7]

hlo guys you are so bads i

3 0
2 years ago
What is the mass of 4 moles of helium, He?
aniked [119]
I am pretty sure it is 4.002602
4 0
3 years ago
When metals, non metals,and metallics are composed according to luster, which is best description of the appearance of metalloid
Nitella [24]

Answer:

Metalloids are metallic-looking brittle solids that are either semiconductors or exist in semiconducting forms, and have amphoteric or weakly acidic oxides. Typical nonmetals have a dull, coloured or colourless appearance; are brittle when solid; are poor conductors of heat and electricity; and have acidic oxides.

Explanation:

5 0
3 years ago
Your teacher gives you a black powder. When you dissolve the powder in water, you see red particles that float to the top, black
laila [671]
The answer is B. A mixture can be separated as shown in the example.<span />
3 0
3 years ago
Read 2 more answers
Other questions:
  • How does an atom become a positively charged ion
    8·1 answer
  • 16 Which change results in the formation of different substances?(1) burning of propane
    8·2 answers
  • What is the total number of valence electrons in an atom of oxygen in the ground state?
    6·2 answers
  • Smart people<br><br> Is water wet?<br><br> I need to know
    5·2 answers
  • 1.3188g of antacid is weighed and mixed with 75.00 mL of excess 0.1746 M HCl. The excess wcid required 27.20 mL of 0.09767 M NaO
    7·1 answer
  • Using the average atomic masses given inside the front cover of this book, calculate the number of atoms present in each of the
    5·1 answer
  • Lysosomes are important for<br> digestion<br> cell division<br> reproduction<br> protein synthesis
    11·2 answers
  • How did dmitri mendeleev arrange the periodic table.
    8·1 answer
  • a sample of helium gas has a volume of 200.0 mL at 730mm Hg pressure. What pressure, in atm is needed to reduce the volume at a
    10·1 answer
  • Which to which! Ahhhh.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!