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fomenos
2 years ago
7

A ball is kicked straight up. The ball's speed decreases as it moves upward. Why does the ball's

Chemistry
1 answer:
kumpel [21]2 years ago
8 0

Answer:

I think the third one

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Why is the melting of ice a physical change?
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<span>A physical change basically involves a change in physical properties. Some examples of physical properties include: texture, shape, size, color, volume, mass, weight, etc. 

The water melting has changed the shape and therefore it's physical properties, but the chemical nature of the water has not been altered.
So that's why it's a physical change, and not a chemical change.</span>
8 0
3 years ago
The lower the ph of a solution, the ______.
gtnhenbr [62]
B

a and c are unrelated
d: ph will increase
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3 years ago
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How many moles of Na₂CO₃ required to create 9.54 liters of a 3.4 M solution
GarryVolchara [31]

Answer:

The answer to your question is 32.44 moles

Explanation:

Data

moles of Na₂CO₃ = ?

volume = 9.54 l

concentration = 3.4 M

Formula

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number of moles = Molarity x volume

Substitution

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Simplification

Number of moles = 32.44

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Consider three gases: Ar, SF6, and Cl2. If 50.0 grams of these gases are placed in each of three identical containers, which con
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The ideal gas law:
pV=nRT \Rightarrow p=\frac{nRT}{V}
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The greatest number of moles is in the container with Ar, so there is the highest pressure.
4 0
3 years ago
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