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sdas [7]
3 years ago
9

The Law of Conservation of Mass states that mass is neither created nor destroyed during cher

Chemistry
2 answers:
dmitriy555 [2]3 years ago
8 0
The answer is true:)))))))))))))))
Vikki [24]3 years ago
5 0
The answer would be true
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1) How many moles are in 4.0x10^24 atoms?
-Dominant- [34]

Answer:

<h2>6.64 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{4 \times  {10}^{24} }{6.02 \times  {10}^{23} }   \\  = 6.644518...

We have the final answer as

<h3>6.64 moles</h3>

Hope this helps you

3 0
3 years ago
If you mix water with your urine drug test will you pass
masya89 [10]
<span>A "dilute specimen" is a urine sample that has a higher than average water ... even if the drug is detected, it will not be marked as a positive result because ... Powdered urine can be purchased online in packets, and then mixed with water to form urine. ... so they would report your test as negative andyou'd get hired anyway.</span><span>
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6 0
3 years ago
What is milliliter the same as?
Klio2033 [76]

Answer:

1 cubic centimeter

Explanation:

8 0
3 years ago
Read 2 more answers
Explain the differences between bronze and brass, and steel and cast iron. Which is best used for cooking wares?
Dennis_Churaev [7]

Answer:

Steel and cast iron

Explanation:

They are all metal but assuming that you are finding the best material for your pan i suggest going for steel or cast iron

8 0
3 years ago
The electron configuration of bromine is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5 classify electrons in each.
bulgar [2K]

Bromine has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5. categorize the electrons in each. Answer for video: The video player is loaded.

On the periodic chart, row 5, column 7, is where you can find a chemical element that was identified in 1811. It has a proton count of 53 and an atomic mass of 126.9. Iodine's atom, then, contains 53 electrons in the following configuration: 1s2, 2s2, 2p6, 3s2, 3d10, 4p6, 5s2, 4d10, 5p5 (Kr 4d10 5s2 5p5). Cu Z = 29 has an electrical arrangement of 1s2 2s2 2p6 3s2 3p6 3d10 4s1. Copper (Co) has the following electron configuration: 1s2 2s2 2p6 3s3 3p6 4s2 3d7. If a chemist were to refer to Copper by its subshell, they would abbreviate this notation to "3d7."

To learn more about electrons please click on below link

brainly.com/question/1255220

#SPJ4

7 0
1 year ago
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