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ASHA 777 [7]
3 years ago
11

How Did Lavoisier's wife help him to communicate the results of his experiments

Chemistry
1 answer:
Dima020 [189]3 years ago
7 0
By studying and studying

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A 5.00 L sample of helium expands to 12.0 L at which point the
mina [271]

Answer:

1.73 atm

Explanation:

Given data:

Initial volume of helium = 5.00 L

Final volume of helium = 12.0 L

Final pressure = 0.720 atm

Initial pressure = ?

Solution:

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

P₁ × 5.00 L = 0.720 atm × 12.0 L

P₁ = 8.64 atm. L/5 L

P₁ = 1.73 atm

7 0
3 years ago
Which best represents a reaction mechanism?
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The reaction that would beat represent a typical reaction mechanism is when A and B react with each other to produce certain products.
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The answer is c. lipids
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What is the SI base unit for length?
sp2606 [1]

The SI base unit for length is meter.

In order to make smaller measurements, you can use the centi-, milli-, micro-, etc. prefixes.

When you want to reference larger measurements, you can use the kilo-, mega-, giga- and prefixes such as those.

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If a shell can hold a maximum of 32 electrons, what is the value of n
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I think the answe would be 16n

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