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Anika [276]
3 years ago
14

What happens to the pressure inside a rigid container if the

Chemistry
1 answer:
iVinArrow [24]3 years ago
7 0

Answer: A. It doubles

Explanation:

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so they are asking me to find the empirical formula for a compound that is 7.70% carbon and 92.3% chlorine. Can you show me step
Nikolay [14]

Answer:

Empirical formula is CCl₄

Explanation:

Given data:

Percentage of carbon = 7.70%

Percentage of chlorine = 92.3%

Empirical formula = ?

Solution:

Number of gram atoms of Cl = 92.3 / 35.5 = 2.6

Number of gram atoms of C = 7.70 / 12 = 0.64

Atomic ratio:

            C                      :              Cl            

           0.64/0.64        :             2.6/0.64

            1                      :                4        

C : Cl  = 1 : 4

Empirical formula is CCl₄.

5 0
3 years ago
Which of the following is NOT a standard state? Group of answer choices For a solid, it is 1 atm. For a solid, it is 25°C. For a
miv72 [106K]

Answer:

For a liquid, it is 25°F

Explanation:

The standard state for a liquid is 25°C

8 0
3 years ago
Find the number of molecules in .815 mole of O2​
Simora [160]

Answer:

4.9 × 10²³ molecules

Explanation:

Given data:

Number of molecules = ?

Number of moles of oxygen = 0.815 mol

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ molecules

0.815 mol  ×  6.022 × 10²³ molecules  / 1 mol

4.9 × 10²³ molecules

6 0
3 years ago
Help Please!!
Ivahew [28]

The first answer would be:

Measure the sequence of events on earth over time.

I believe the second answer would be:

The age of earth. ( I say this because geological time is used to describe timing and the relationship of events in earths history)

I’m not sure about number 3 but I hope this was somewhat useful!!

7 0
3 years ago
Which of the following is most likely to be observed by a physiologist?
Mazyrski [523]
The answer is b although if you think about it all could apply
5 0
3 years ago
Read 2 more answers
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