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Sidana [21]
3 years ago
15

Which statement correctly describes a solution

Chemistry
2 answers:
attashe74 [19]3 years ago
7 0

Answer:

d. It would turn phenolphthalein pink.

Explanation:

Nostrana [21]3 years ago
7 0
D. Because

Hope it helps
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A helium balloon is filled on the ground where the atmospheric pressure is 768 torr. The volume of the balloon is 8.00 m3. When
Anvisha [2.4K]

Answer:

The correct option is: <u>B. 366 torr</u>

Explanation:

Given: <u>On the ground</u>- Initial Volume: V₁ = 8.00 m³, Initial Atmospheric Pressure: P₁= 768 torr;

<u>At 4200 m height</u>- Final Volume: V₂ = 16.80 m³, Final Atmospheric Pressure: P₂ = ?

Amount of gas: n, and Temperature: T = constant

<u>According to the Boyle's Law</u>, for a given amount of gas at constant temperature:         P₁ V₁ = P₂ V₂

⇒  P₂ = P₁ V₁ ÷ V₂

⇒  P₂ = [(768 torr) × (8.00 m³)] ÷ (16.80 m³)

⇒  P₂ = 365.71 torr ≈ 366 torr

<u>Therefore, the final air pressure at 4200 m height: P₂ = 366 torr.</u>

6 0
3 years ago
When the white part is on the left the moon is.??​
Kazeer [188]

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Last Quarter also called Third Quarter.

Explanation:

6 0
3 years ago
Please select the word from the list that best fits the definition
sammy [17]
Pretty sure it’s ,B. Microscope!
8 0
2 years ago
What is the mass of 22.4 L of H2 at STP?
Vanyuwa [196]

A. 1.01 is the right answer

Since

The formula is Pv= nRT

P=1 atm

V= 22.4 L

N= x

r= 0.0821

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So (1)(22.4)=(x)(0.0821)(273)

X= 1.001

7 0
3 years ago
Read 2 more answers
Plants absorb the greenhouse gas carbon dioxide during the process of __.
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7 0
3 years ago
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