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
ira [324]
3 years ago
12

COPERNICUS WHO WAS IT

Chemistry
1 answer:
mote1985 [20]3 years ago
4 0
N<span>icolaus </span>Copernicus<span> was a Polish astronomer who put forth the theory that the Sun is at rest near the center of the Universe, and that the Earth, spinning on its axis once daily, revolves annually around the Sun. This is called the heliocentric, or Sun-centered, system.</span>
You might be interested in
Thomson discovered the what in his cathode ray experiment?
Leona [35]
He used a magnet to find that the negatively charged particles to be smaller then the atom.
He discovered electrons.
3 0
3 years ago
How many liters are in 2.75 ounces? Use the conversion factor: 1 liter = 33.814 ounces Rounded to the result to 3 significant fi
Serggg [28]
1L = 33.814 oz
xL = 2.75 oz

so it's a proportion

1L / 33.814 oz = xL / 2.75

solve for x

(1/33.814) * 2.75 = 0.0813272609 on your calculator, but it's not the answer.

the number in your problem, 2.75 oz, has 3 significant figures. so you can only round this number to 3 significant figures too.

your equipment isn't accurate enough to give a reading to 10 significant figures if that makes sense. you have to give the answer in terms of the term you use with the lowest significant figures.

so with 3 significant figures,
0.0813272609 rounds to
0.0813 L
4 0
3 years ago
Which shows an isomer of the molecule below?
blsea [12.9K]

Answer:

D.

Explanation:

Hello,

In this case, the isomer of an organic compound is another organic compound having the same molecular formula but different structural formula, thus, the given compound's molecular formula is C₅H₈ since it is an alkyne due to the triple bond. Next, we analyze each option:

A. C₅H₁₂

B. C₅H₁₀

C. C₅H₁₀

D. C₅H₈

For that reason answer is D. based on the molecular formula as well as due to the presence of the triple bond unsaturation (alkyne as well).

Best regards.

3 0
3 years ago
1-isopropyl-2-methylcyclohexane identify the numbers of hydrogen atoms
yanalaym [24]

Explanation:

I think 20

0 in the photo should be 1, 1, 1

8 0
2 years ago
Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas to form chromium(III) sulfide and water:
natima [27]

Answer:Noble gases:

 are highly reactive.

 react only with other gases.

 do not appear in the periodic table.

 are not very reactive with other elements.

Explanation:Noble gases:

 are highly reactive.

 react only with other gases.

 do not appear in the periodic table.

 are not very reactive with other elements.

3 0
2 years ago
Other questions:
  • Describe the relationship between hydrogen oxygen and water
    13·1 answer
  • A white crystalline salt conducts electricity when it is melted and when it dissolves in water.
    8·1 answer
  • How many grams of O2 are produced as 0.033 mol of water decompose
    14·1 answer
  • How many moles are in 264 g of gold, Au?<br>1 point<br>​
    11·2 answers
  • Which is greater , 3 moles of sulfur or 2 moles of iron sulphide
    9·2 answers
  • Calculate the molarity of a solution consisting of 60.0 g of NaOH in 1.50 L of solution.
    11·1 answer
  • The number of neutrons in an atom can be found by subtracting the atomic number from the what?
    8·2 answers
  • Which list has organisms made of different kinds of cells?
    10·1 answer
  • Item 3
    6·1 answer
  • In order to break water into hydrogen and oxygen, water is heated to more than 500°C. Which kind of reaction is this and
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!