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maria [59]
3 years ago
11

Number 9 please!!!!!!!

Chemistry
1 answer:
vazorg [7]3 years ago
7 0
I THINK YOUR DOING DIVISON SO TRY DIVING THE TWO ANSWERS OF THE SUM
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A chunk of limestone, which is calcium carbonate, reacts with acid. How might you increase the rate of this reaction?
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What is the most simplified meaning within a language?
AysviL [449]

The most simplified meaning within a language is MORPHEME.

In English language, a morpheme refers to a language unit, that is made up of a word or a word elements which can not be further broken down into meaningful smaller parts. Morphemes are the smallest, basic, grammatical unit of a language that have distinct meaning, just as atoms are the smallest unit of elements in chemistry. Examples of morphemes are: sad, joy, depress, excited, etc.

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3 years ago
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g 1.000 atm of oxygen gas, placed in a container having a pinhole opening in its side, leaks from the container 2.14 times faste
Ivan

The question is incomplete, the complete question is;

1.000 atm of Oxygen gas, placed in a container having apinhole opening in its side. leaks from the container 2.14 timesfaster thatn 1.000 atm of an unknown gas placed in this sameapparatus. Which of the following species could be theunknown gas?

A. CL2

B. SF6

C. Kr

D. UF6

E. Xe

Answer:

SF6

Explanation:

From Graham's law;

Let the rate of diffusion of oxygen be R1

Let the rate of diffusion of unknown base be R2

Let the molar mass of oxygen by M1

Let the molar mass of unknown gas be M2

Hence;

R1/R2 = √M2/M1

So;

2.14/1 = √M2/32

(2.14/1)^2 = M/32

M= (2.14/1)^2 × 32

M= 146.6

This is the molar mass of SF6 hence the answer above.

7 0
3 years ago
Which metal will cool faster in water<br> steel <br> copper<br> brass<br> aluminum
RideAnS [48]

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Copper!

Explanation:

Hope This Helps

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What is the mass in grams of 0.450 moles of magnesium<br> sulfate, MgSO4?
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Answer:54.17

Explanation:

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