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lorasvet [3.4K]
2 years ago
10

The claim is the farther the ball drops the higher it will bounce. What are the reasonings and evidence

Chemistry
1 answer:
lions [1.4K]2 years ago
5 0

Answer:

Hey,

As the ball falls, it gains gravitational kinetic energy or GKE, all that means is that it starts to move faster as it falls, As it does so it gains more and more energy so that when it falls it will bounce realy high, it can't destribute all that energy in 1 hit, for such a task you would need a cannon ball.

<em><u>Wbob1314</u></em>

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4.60 mL of 0.1852 M HNO3 is titrated to the phenolphthalein indicator endpoint with 27.35 mL of a KOH solution. What is the mola
Kamila [148]

Answer:

M_{base}=0.0311M

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to solve for the molarity of the KOH solution by knowing this base react in a 1:1 mole ratio with nitric acid, HNO3; thus, we can write the following equation, as their moles are the same at the endpoint:

n_{acid}=n_{base}

Which in terms of molarities and volumes is:

M_{acid}V_{acid}=M_{base}V_{base}

Thus, we solve for the molarity of the base (KOH) to obtain:

M_{base}=\frac{M_{acid}V_{acid}}{V_{base}} \\\\M_{base}=\frac{4.60mL*0.1852M}{27.35mL}\\\\M_{base}=0.0311M

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2 years ago
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7 0
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Answer:

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