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Delvig [45]
3 years ago
11

BRAINLIEST!! IGNORE IF YOU DON'T KNOW Which compound contains the highest percentage of nitrogen by mass? Choose one and show yo

ur work.
NH4NH2CO2
NH4NO2
N2O3
NH4Cl
NH2OH
Chemistry
1 answer:
kykrilka [37]3 years ago
6 0

Answer:

thank u so much dost pls give me extra free point Pls mark as a brilliant Pls dost dost RSS

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How can rocks be distinguished from each other?
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Answer:

Different types of rocks have different chemical composition.

Explanation:

Rock can be distinguished from each other by their chemical composition which is a product of the minerals they contain.

  • A rock is an aggregate of minerals.
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  • This is because, these rocks form under different types of conditions from time to time.
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What do you know about a substance it you know its temperature? A.How heavy the substance is B.How large or small the particles
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C. how many particles are in the substance

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Which element had the greatest average atomic mass
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How many centimeters are in 25 kilometers
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Complete combustion of 8.10 g of a hydrocarbon produced 25.9 g of CO2 and 9.27 g of H2O. What is the empirical formula for the h
balu736 [363]

CxHy     +  O2    -->    x CO2     +    y/2  H2O

 

Find the moles of CO2 :     18.9g  /  44 g/mol   =    .430 mol CO2   = .430 mol of C in compound

Find the moles of H2O:      5.79g / 18 g/mol     =     .322 mol H2O   = .166 mol of H in compound

 

Find the mass of C and H in the compound:

                             .430mol  x 12  =  5.16 g C

                              .166mol  x 1g   = .166g H   

 

When you add these up they indicate a mass of 5.33 g for the compound, not 5.80g as you stated in the problem.

Therefore it is likely that either the mass of the CO2 or the mass of H20 produced is incorrect (most likely a typo).

In any event, to find the formula, you would take the moles of C and H and convert to a whole number ratio (this is usually done by dividing both of them by the smaller value).

8 0
4 years ago
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