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Artemon [7]
3 years ago
10

“Gasoline boils at a relatively low temperature (about 150°C). The kerosene is removed at around 200°C, followed by diesel oil a

t 300°C and fuel oil at around 370°C.” What topic is the teacher most likely talking about?
Chemistry
1 answer:
ANEK [815]3 years ago
3 0
Well its Organic Chemistry... and is the Fractional Distillation of Crude Oil
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Modeling Nuclear Processes Quick Check
Valentin [98]

The phrase which best describes nuclear fusion is: A. the process by which small nuclei combine into a larger nucleus.

A nuclear reaction can be defined as a type of chemical reaction in which the nucleus of an atom of a radioactive chemical element is transformed by either being joined (fusion) or split (fission) with the nucleus of another atom of a radioactive chemical element and accompanied by a release of energy.

Generally, there are two (2) main types of nuclear reaction and these include:

  • <u>Nuclear fission:</u> it involves the collision of a heavy atomic nucleus with a neutron, thereby causing a split and release of energy.
  • <u>Nuclear fusion:</u> it involves the joining of two smaller nuclei of atoms to form a single massive or heavier (larger) nucleus with the release of energy.

In conclusion, nuclear fusion is best described as the process by which small nuclei combine into a larger nucleus, accompanied by a release of energy.

Read more: brainly.com/question/24040465

4 0
3 years ago
Toothpaste contains Sodium fluoride which is used to prevent tooth decay. How many grams are in 1 mole NaF?
nikitadnepr [17]

The answer is 42 grams of NaF are there in 1 mole.

<h3>What is a mole ?</h3>

A mole is defined as 6.022 × 10²³ atoms, molecules, ions, or other chemical units.

and the molar mass of a substance is defined as the mass of 1 mole of that substance, expressed in grams per mole.

It is equal to the mass of 6.022 × 10²³ atoms, molecules, or formula units of that substance.

Molar Mass , i.e. mass of 1 mole of NaF is sum of molar mass of Na and F

23 + 19

42 grams

Therefore 42 grams of NaF Sodium-fluoride are there in 1 mole.

To know more about mole

brainly.com/question/26416088

#SPJ1

6 0
2 years ago
How long would it take for an 88.0 gram sample to decay to only 5.50 grams if it has a half-life of 16.4 seconds?
a_sh-v [17]

Answer: 65.23

Explanation:

3 0
3 years ago
Read 2 more answers
1s2 2s2 2p6 3s2 3p6 is the electron configuration for
kvasek [131]

Answer: The electron configuration is for the element Argon

Explanation: 3p6 is all the way on the right side of the periodic table in the third row or period

3 0
3 years ago
Read 2 more answers
Which noble gas is closer to magnesium
cricket20 [7]

I believe Neon is closest to Magnesium on the Periodic Table of elements.

Sorry if I'm wrong, hope I could help though! :)

3 0
3 years ago
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