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miv72 [106K]
4 years ago
12

How long does it take for light to travel??

Chemistry
1 answer:
Alja [10]4 years ago
6 0
499.0 seconds, light travels at a speed of 299,792 kilometers per second; 186.287 miles per second.
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What is produced during the replacement reaction of Cu(NO3) and zn
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An object has a mass of 6.8 g and volume of 34 mL. What is the density of the object?​
jenyasd209 [6]

Answer:

<h2>Density = 0.2 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

<h3>Density =  \frac{mass}{volume}</h3>

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That's

<h3>Density =  \frac{6.8}{34}</h3>

We have the final answer as

<h3>Density = 0.2 g/mL</h3>

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