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hoa [83]
2 years ago
7

You have two solid substances that look the same. What measurements would you take and which tests would you preform to determin

e whether they actually are the same?
Chemistry
1 answer:
ASHA 777 [7]2 years ago
5 0

Answer:

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ssssmmmmmmm

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Familiar substances that sublime readily include iodine , dry ice , menthol, and camphor. Sublimation is occasionally used in the laboratory as a method for purification of solids, for example, with caffeine.

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Which of these is NOT true about electromagnets?
Alex17521 [72]

Answer:

Permanent = false

Explanation:

All of the other choices are true

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What is Artificial selection???
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The process of selection conducted under human direction.

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2 years ago
Nitrogen monoxide and hydrogen react to form nitrogen and water, like this: 2NO+2 H2(g)-N29)+2H2O(9) Write the pressure equilibr
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Answer:

Partial pressure N₂ . (Partial pressure H₂O)² / (Partial pressure H₂)² . (Partial pressure NO)² = Kp

Explanation:

The reaction is:

2NO + 2H₂ → N₂ + 2H₂O

The expression for Kp (pressure equilibrium constant) would be:

Partial pressure N₂ . (Partial pressure H₂O)² / (Partial pressure H₂)² . (Partial pressure NO)²

There is another expression for Kp, where you work with Kc (equilibrium constant)

Kp = Kc (R.T)^Δn

where R is the Ideal Gases constant

T° is absolute temperature

Δn = moles of gases formed - moles of gases, I had initially

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3 years ago
Which diagram shows the correct direction of electron flow in an electrolytic cell?
Alborosie

Answer:

A

Explanation:

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