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Arlecino [84]
2 years ago
13

Determine how many atmospheres of pressure are equal to 65.78 mm of Hg

Chemistry
1 answer:
Sloan [31]2 years ago
4 0
1 ATP = 760 mm Hg
x ATP = 65.78 mm Hg 
cross-multiply and you'll get:
0.08655 ATP
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Which atom in the ground state has a partially filled second electron shell?
serious [3.7K]
Atoms have electrons filled in energy shells.
1. H - hydrogen atom has one electron in the First energy shell. Therefore hydrogen has a partially filled first energy shell

2.Li - Li electron configuration is 2,1
The outermost energy shell is the second energy shell in which there is only one electron
Therefore the second energy shell is partially filled. This is the correct answer

3. K - electron configuration is 2,8,8,1
The outermost energy shell is the fourth energy shell which is partially filled. The second energy shell is completely filled

4.Na - electron configuration is 2,8,1
The outermost energy shell is the third energy shell which is partially filled
Second energy shell is completely filled

From the given options Li is the only element with a partially filled second energy shell
Answer is Li
4 0
3 years ago
Read 2 more answers
Its B i already got it
Rina8888 [55]

Explanation:

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4 0
2 years ago
A chemistry instructor provides each student with 8 test tubes at the beginning of the year. If there are 28 students per class,
klemol [59]
Three classes: 28×3=84 students
8 test tubes per student: 84× 8= 672
hope this helps!
7 0
3 years ago
Plz help! I will give five star thanks and I will give brainliest
Harman [31]

Answer:

Conduction

Explanation:

Conduction is the transfer of heat energy from one substance to another or within a substance.

5 0
3 years ago
Evaluate<br> 0.411 + 9.9 + 0.8<br> and round the answer appropriately,
Lemur [1.5K]

Answer:

the answer is 11.111 and when you round it to the nearest one it’s 11, but to the nearest tenth it’s 10

Explanation:

8 0
3 years ago
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