3 years ago

Pls help, the questions in the picture !

Chemistry

1 answer:

dedylja [7]3 years ago

4 0

Answer:

B is sedimentary and A is metermorphic

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Remember to balance the equations first

Semenov [28]

mol CO₂ = 9.6

mol N₂ = 4.8

mol O₂ = 0.8

mol H₂O = 8

<h3>Further explanation</h3>

Reaction

4C₃H₅O₉N₃ → 12CO₂ + 6N₂ + O₂ + 10H₂O

mol CO₂

$\tt \dfrac{12}{4}\times 3.2=9.6$

mol N₂

$\tt \dfrac{6}{4}\times 3.2=4.8$

mol O₂

$\tt \dfrac{1}{4}\times 3.2=0.8$

mol H₂O

$\tt \dfrac{10}{4}\times 3.2=8$

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3 years ago

Any substance that has_____and<br>takes up space is called matter

Vera_Pavlovna [14]

I believe the answer is Mass, hope this helped

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3 years ago

Which scientist did people think was insane so they dismissed his ideas for almost 2000 years?

forsale [732]

Alfred Wegener

I think let me know if I am wrong

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calculate the mass of nitrogen dioxide gas that would occupy the same volume as 10g of hydrogen gas at the same pressure and tem

levacccp [35]

Answer: Calculate the mass of nitrogen dioxide gas that would occupy the same volume as 10g of hydrogen gas at same temperature and pressure.(H = 1.0, N = 14.0, o = 16.0)

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I will give 20 points for correct answer. No links!

NikAS [45]

Answer: C) Heat

What I know so far is that heat makes it harder for the electrons to reach the source, thus making it hard to collide with the nucleus, but I’m not sure so you can see if it’s correct.

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