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MAVERICK [17]
3 years ago
7

A model glider has a mass of 1 kg. How much potential energy does it have 2

Chemistry
1 answer:
sesenic [268]3 years ago
7 0
Hi! In many exam questions, they usually inform you on which number to use for the acceleration due to gravity. Its actual value is 9.80214 ms^(-2) however some exam questions ask you to use 9.8 or even 10...so I did both just for the extra help. Hope this helps!

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What is the total number of atoms in 80 grams of neon?
Wewaii [24]
You take 80 g of Neon times 1 mol over the molar mass, 20.18 g/mol and multiply by Avogadro's number.
4 0
4 years ago
What is the volume of a liquid that has a density 3.65g/ml and a mass of 5.61g
Lorico [155]

Answer:

<h2>1.54 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density} \\

From the question we have

volume =  \frac{5.61}{3.65}  \\  =1.536986...

We have the final answer as

<h3>1.54 mL</h3>

Hope this helps you

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3 years ago
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Answer:

Density changes with temperature because volume changes with temperature. Density is mass divided by volume. As you heat something up, the volume usually increases because the faster moving molecules are further apart. Since volume is in the denominator, increasing the volume decreases the density.

Explanation:

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Hope I helped a bit
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5 0
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