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statuscvo [17]
3 years ago
14

A baseball player hits a ball with 36 N of force. With that force, it causes the ball to accelerate at 120 m/s2. What is the mas

s of the baseball?
Chemistry
1 answer:
irga5000 [103]3 years ago
8 0

Answer:

0.3 kg

Explanation:

This can be dealt with using (a simplified version of) Newton's Second Law:

Force = mass x acceleration

We need to re-arrange the formula to get the mass of the ball isolated, on its own side of the equation. So we get:

mass = force/acceleration

So, now we just need to substitute the number we do have to get:

mass = 36/120 = 0.3 kg

Hope I helped! :)

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4 0
3 years ago
Given that it requires 27.9 ml of 0.270 m na2s2o3(aq) to titrate a 15.0-ml sample of i3–(aq), calculate the molarity of i3–(aq)
Digiron [165]

The molar concentration of the KI_3 solution is 0.251 mol/L.

<em>Step 1</em>. Write the <em>balanced chemical equation</em>

I_3^(-) + 2S_2O_3^(2-) → 3I^(-) + S_4O_6^(2-)

<em>Step 2</em>. Calculate the <em>moles of S_2O_3^(2-)</em>

Moles of S_2O_3^(2-)

= 27.9 mL S_2O_3^(2-) ×[0.270 mmol S_2O_3^(2-)/(1 mL S_2O_3^(2-)]

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<em>Step 3</em>. Calculate the <em>moles of I_3^(-) </em>

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<em>Step 4</em>. Calculate the <em>molar concentration of the I_3^(-) </em>

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6 0
3 years ago
How many liters of whater must be added to 20l of a 75% acid solution toproduce a solution that is 15% acid?
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80 liters of water

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0 x X = 0 (water)
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looking at column 3, we get 1500+0 = 300+15x
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3 years ago
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Ionic bonds involve the transfer of electrons from metal to non metal
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What is the concentration of k+ ions in a 0.045 m k2co3 solution assuming complete dissociation?express the concentration in mol
kykrilka [37]
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