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nikdorinn [45]
3 years ago
5

What is the study of matter and it's changes.??

Chemistry
1 answer:
kupik [55]3 years ago
5 0
<span>Physical Science is the study of matter and energy.
Physics is the study of matter, motion and energy.
Chemistry is the study of matter and its changes. Do you have an multiple choices?</span>
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4. How many atoms are in 32.6 g of Oxygen?
Natali5045456 [20]

Hey there!

Oxygen has a molar mass of 16. That means 16g of oxygen is 1 mole.

32.6 ÷ 16 = 2.0375 moles

We have 2.0375 moles.

There are 6.022 x 10²³ atoms in one mole.

2.0375 x 6.022 x 10²³

1.3 x 10²⁴

There are 1.3 x 10²⁴ atoms in 32.6 grams of oxygen.

Hope this helps!

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3 years ago
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Which of these does not describe a significant ethical dilemma in the drug industry?
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D as it only has a negative effect when being used and it is small at that anyway.
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Draw one product that you would expect from the reaction of 1 mol of 1,3-butadiene and 1 mol of h2o, cat. h2so4?
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3 years ago
What career is when a person anlysis food in laboratory ?
Klio2033 [76]

Hi!

Your Question,

what career is when a person anlysis food in laboratory ?

Answer,

Food makes the analysis that I know is trying to engineer food. That's called that in Turkey

Good Luck

#Turkey

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