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tigry1 [53]
3 years ago
5

Use the drop-down menus to complete the statements

Chemistry
1 answer:
Kipish [7]3 years ago
3 0

Answer:

First one: group

Second one: period

Third one: number of valence electrons

Last one: increases

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Describe how and why the statue of the Sphinx has changed since it<br>was made.​
Lyrx [107]

Answer:

I don't know if this will help but. The Great Sphinx has suffered from erosion and vandalism. Hatshepsut's stepson was too young to rule at the time of her husband's death, so she just took the job.

8 0
2 years ago
How many moles of CH4 are in 148.6 g? Round your answer to two decimal places.
Dafna1 [17]

Answer:

9.29 mol

Explanation:

Given data:

Number of moles = ?

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Solution:

Number of moles = mass/ molar mass

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Now we will put the values in formula.

Number of moles = 148.6 g/ 16 g/mol

Number of moles = 9.29 mol

Thus 148.6 g have 9.29 moles.

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8 0
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