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kobusy [5.1K]
1 year ago
6

Is the unknown substance found at home ionic or covalent compound?

Chemistry
1 answer:
Radda [10]1 year ago
3 0

Answer:

It depends on what kine of unknown substance you're referring to.

Explanation:

What do you mean by unknown substance?

If it's soluble in water and can conduct electricity then it is an ionic compound.. If it is insoluble in water and can't conduct electricity then it is a covalent compound

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If 20 grams of N2 react completely with H2 , how many moles of NH3 are produced? Show Work
Maslowich
This is the balanced eq
N2 + 3H2 -> 2NH3
first you need to find mole of N2 by using
mol = mass ÷ molar mass.
mol N2= 20g ÷ (14.01×2)g/mol
=0.7138mol
then look at the coefficient between H2 and NH3.
it is N2:NH3
1:2
0.7138:0.7138×2
0.7138:1.4276 moles
moles of NH3 = 1.4276 moles
5 0
3 years ago
The mass of an atom may be found by adding the
Darina [25.2K]

Answer:

protons and neutrons

Explanation:

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2 years ago
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If excess ammonium sulfate reacts with 20.0g of calcium hydroxide how many grams of ammonia are produced
bagirrra123 [75]
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Which two parts of an atom determine the atom's mass?
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the number of protons and the number of neutrons determine an element's mass number. :D

4 0
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