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Feliz [49]
3 years ago
8

What is a hypothesis

Chemistry
2 answers:
larisa86 [58]3 years ago
8 0
A hypothesis is an educated guess. 
asambeis [7]3 years ago
7 0

Answer:

a possible explanation or answer to a scientific question that is based on prior knowledge or research and is testable

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A jar is filled with water, and the lid is closed tightly. The jar is kept at constant temperature. What happens at the surface
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<h2>Hello!</h2>

The correct answer is A: Water molecules evaporate and condense at the same rate.

<h2>Why?</h2>

Evaporation is defined as the physical change from liquid to gas, and Condensation is the physical change from gas to liquid.

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Have a nice day!

5 0
3 years ago
2.5 moles of sodium chloride is dissolved to make 0.050 liters of solution
Hitman42 [59]

The answer is:

the molarity = 50 moles/liters

The explanation:

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and the volume per liters = 0.05 L

so by substitution:

the molarity = 2.5moles/0.05L

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7 0
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Does ionic or covalent form solid crystals?
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Answer:

I hope it help

your welcome

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