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Digiron [165]
4 years ago
8

What did antoine lavoisier discover about air​

Chemistry
1 answer:
dedylja [7]4 years ago
3 0

Answer:

He is most well known for discovering the role Oxygen plays in combustion

Explanation:

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5.25 x 10^32 atoms of K to grams
NNADVOKAT [17]

Answer:

3.40x10¹⁰ grams

Explanation:

First we<u> convert 5.25x10³² atoms to moles</u>, using <em>Avogadro's number</em>:

5.25x10³² atoms ÷ 6.023x10²³ atoms/mol = 88.72x10⁸ mol

Then we<u> convert K moles to grams</u>, using its <em>molar mass</em>:

88.72x10⁸ mol * 39 g/mol = 3.40x10¹⁰ g

So 5.25x10³² atoms of K would weigh 3.40x10¹⁰ grams.

3 0
3 years ago
Two objects in contact are in thermal equilibrium if their particles possess the same average kinetic energy. TRUE FALSE
IceJOKER [234]
Yes the two objects are in thermal equilibrium, True.
3 0
4 years ago
Read 2 more answers
Will mark brainliest!
aniked [119]
The decoders of the DNA messege
4 0
4 years ago
Which of the following elements has the largest atomic radius
Olin [163]

Answer: Calcium

Explanation:

not 100% sure but i looked it up and got calcium. 99% sure.

8 0
3 years ago
Read 2 more answers
The pressure of a sample of argon gas was increased from 3.14 atm to 7.98 at a constant temperature. If the final volume of argo
noname [10]

Answer:

<h2>36.09 L</h2>

Explanation:

The initial volume can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume.

Since we're finding the initial volume

V_1 =  \frac{P_2V_2}{P_1}  \\

We have

V_1 =  \frac{7.98 \times 14.2}{3.14} =   \frac{113.316}{3.14}  \\  = 36.0878...

We have the final answer as

<h3>36.09 L</h3>

Hope this helps you

8 0
3 years ago
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