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Maksim231197 [3]
3 years ago
15

Pls help fast!! Test due soon!

Chemistry
2 answers:
AlladinOne [14]3 years ago
8 0

Answer:

the answer is a

I hope it helps

krok68 [10]3 years ago
5 0

Answer:

It is 2

Explanation:

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3 years ago
How many particles are in 2.0 moles of CH4
Whitepunk [10]

Answer: There are 4.8 x 1024 hydrogen atoms in 2.0 moles of CH4

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2 years ago
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Why is the combined cycle power generation system so much more efficient that the straight steam cycle?
rewona [7]

Answer:

  Because it uses the residual energy of the fluid used by the first engine.

Explanation:

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8 0
3 years ago
How many grams of Na2SO4 can be produced from 423.67 g of NaCl?
san4es73 [151]

Mass of  Na2SO4= 514.18 grams

<h3>Further explanation</h3>

Given

423.67 g of NaCl

Required

mass of  Na2SO4

Solution

Reaction

2NaCl + H2SO4 → Na2SO4 + 2HCl

mol NaCl :

= 423.67 g : 58.5 g/mol

= 7.24

From the equation, mol Na2SO4 :

= 1/2 x mol NaCl

= 1/2 x 7.24

= 3.62

Mass  Na2SO4 :

= 3.62 mol x 142,04 g/mol

= 514.18 grams

4 0
3 years ago
Does anyone know how to do this?
mr Goodwill [35]

Answer:

this look hard

Explanation:

hmm

4 0
2 years ago
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