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Archy [21]
3 years ago
15

Reducing the volume of a contained gas by one third, while holding temperature constant, causes pressure to Question 1 options:

Chemistry
1 answer:
professor190 [17]3 years ago
3 0

Answer:

Reducing the volume of a contained gas by one third, while holding temperature constant, causes pressure to increase by 3.0 times.

Explanation:

  • Boyle’s Law : At constant temperature, the  volume of a given quantity of a gas  varies inversely with its pressure.
  • It is clear from the data that V ∝ 1/P.
  • Also, PV = constant.

So, for two different values of both P and V:

∴ P₁V₁ = P₂V₂.

∵ V₂ = 1/3V₁

∴ P₂ = P₁V₁/V₂ = P₁V₁/(1/3V₁) = 3P₁.

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The accepted density of copper is 8.96 g/mL. Calculate the percent error of a student’s measurement which resulted in a density
uranmaximum [27]

Answer:

<h3>The answer is 1.12 %</h3>

Explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual density = 8.96 g/mL

error = 8.96 - 8.86 = 0.1

We have

p(\%) =  \frac{0.1}{8.96}  \times 100 \\  = 1.1160714...

We have the final answer as

<h3>1.12 %</h3>

Hope this helps you

8 0
3 years ago
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vesna_86 [32]

Answer:

- Adenine

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Explanation:

The nitrogen bases that form DNA are derivatives of pyrimidine and purine, both organic molecules with a heterocyclic ring.

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6 0
3 years ago
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Rashid [163]
Petrochemicals are separated into 3 groups: Olefins, Aromatics, and Synthesis Gas.

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7 0
4 years ago
Atoms have _______ different subatomic particles.
valkas [14]

Answer:

C. 3

Explanation:

I hope my answer will be useful

6 0
3 years ago
Please answer asap!
hram777 [196]
1.) A compound is a thing that is composed of two or more (separate) elements.

2.) A compound cannot be separated easily, while its properties differ from where it originates from. It also is formed from chemical reactions.

3.) A pure substance, also known as chemical substance, is a material with constant composition and consistant properties.

4.) If a substance is not a pure substance, then it is an impure substance.

Hope this helped. :)
4 0
4 years ago
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