3 years ago

You want to understand temperature. which of the following would you study?

1 answer:

7 0

It would definitely not be A and D so those two are out. B isn't talking about temperature so that one is also out. The only remaining answer would be C which would be the correct one.

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What is the atomic mass of Si in units of amu?

tekilochka [14]

The amu would be 28.0855

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3 years ago

Pls give me the right answer

Alchen [17]

The answer to the question is D

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2 years ago

Macho Mel can lift 200 kilograms with case. How much is this in pounds?

vredina [299]

he can lift 440.925 pounds

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3 years ago

If an experiment calls for 0.200mole acetic acid (Hc2H3O2)how many grams of glacial acetic acid do we need?

bija089 [108]

<h3>Molar mass:-</h3>

$\\ \sf\longmapsto HC_2H_3O_2$

$\\ \sf\longmapsto 1u+2(12u)+3(1u)+2(16u)$

$\\ \sf\longmapsto 1u+24u+3u+48u$

$\\ \sf\longmapsto 28u+48u$

$\\ \sf\longmapsto 76u$

$\\ \sf\longmapsto 76g/mol$

No of moles=0.2mol
Given mass=?

$\\ \sf\longmapsto No\:of\;moles=\dfrac{Given\:Mass}{Molar\:Mass}$

$\\ \sf\longmapsto 0.2=\dfrac{Given\:mass}{76}$

$\\ \sf\longmapsto Given\:Mass=0.2\times 76$

$\\ \sf\longmapsto Given\:Mass=1.52g$

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3 years ago

If 25 g of CH4 and 100 g of O2 react, what is the total mass of the reactants and products?

wel

Answer:

125g

Explanation:

you simply add the masses together

3 0

3 years ago