4 years ago

Describe one everyday situation in which it would be useful to identify an unknown substance

1 answer:

5 0

Say that you stomach is not agreeing with fizzy drinks so you have to identify whether if there is carbon dioxide in it or not, but is it is you would not want to share it find another way ;)

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Dios mío, vaya, eso es una locura, no lo sabía, pero gracias por la información. :)

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3 years ago

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calculate the atomic mass of element X, if it has 2 naturally occurring isotopes with the following masses and natural abundance

jeka57 [31]

Hey there!

To find this, you should:

1) multiply the percentage (but in a decimal form) of each isotope by the mass.
2) add all your masses together
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Hope this helps :)

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3 years ago

Why did engineers need to design a sunshade for Mercury Messenger?

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A solid ball has a density of 2.5 g/cm and a volume of 20 cm3. What is the

Svetach [21]

Answer:

50 g

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d= m/v

rearranging the above equation

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3 years ago

Wood has a density of 0.531 g/cm3. What is the volume of 44 grams of wood?

Sunny_sXe [5.5K]

Answer:

<h3>The answer is 82.86 cm³</h3>

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

mass of wood = 44 g

density = 0.531 g/cm³

It's volume is

$volume = \frac{44}{0.531} \\ = 82.86252354...$

We have the final answer as

Hope this helps you

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3 years ago