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9966 [12]
3 years ago
13

How many atoms are in four molecules of oxygen gas ​

Chemistry
1 answer:
Dmitrij [34]3 years ago
8 0

Answer:

8 oxygen atoms

Explanation:

One molecule of oxygen gas has two oxygen atoms (O2). If there are four molecules, then we multiply two by four to get 8 atoms.

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Mars is known as the ____ planet.<br><br> A) Blue<br> B) Gaseous<br> C) Red<br> D) Sandy
Leni [432]

Answer:

Of course it's C

Red planet

Explanation:

It is because the soil on Mars is rich of Fe (Iron).

That makes the soil look red.

Even on our planet we have such this places like hormuz island in Iran.

5 0
3 years ago
what is the main difference between organisms that share many characteristics and organisms that do not
Anarel [89]
Organisms that share many derived characteristics are probably more closely related
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Stolb23 [73]

Answer:

the first statement

Explanation:

hope this helps

please like and Mark as brainliest

6 0
3 years ago
Which best describes the importance of the microscope to the development of cell theory? Microscopes color different parts of ce
aliya0001 [1]
Cells are too small to see with the naked eye. 

It's pretty straight forward, use the cross-out method. 

1) Microscopes MAGNIFY images, they don't color the cells. In fact, scientists have to use these chemicals to "stain" or color the cells to see them more easily through microscopes. 

2) If the lenses of a microscope reduced the image of an organism to the size of a cell, you'd be seeing a very tiny human through your microscope, instead of actual cells. 

3) Microscopes don't "trap" anything. In fact, scientists use plates or slides under microscopes to contain what they're studying. 

8 0
3 years ago
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What is the percent concentration of a 250 ml solution with 0.120 g nacl?
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0.048 percent is the answer
3 0
3 years ago
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