2 years ago

Is cutting your nails a physical or chemical change

2 answers:

4 0

Cutting of Nails is a Physical Change since no new substance is formed.
Don't confuse it with Reversible and Irreversible Changes

mrs_skeptik [129]2 years ago

4 0

Answer: It is a physical change.

Explanation: Because physical changes are when something goes from one physical state to another.

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Atoms of noble gases are generally inert because..

umka21 [38]

Answer:

B. their outer electron levels are filled

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A student was given four unknown solutions. Each solution was checked for. conductivity and tested with. phenolphthalein. The re

777dan777 [17]

Answer: (3) C

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NaOH+HCl->............

Oxana [17]

Answer:

NaCl+H20

Explanation:

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2 years ago

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What does adapte me <br>

DENIUS [597]

Adapter? - is a device that connects to parts

Adapt? - modifying something to make fit ( usually for a different us then before)

Adapts? - 3 person present of adapts

Adapted? - Past tense of adapt

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2 years ago

What is the molarity of a solution which contains 0.80 mol of HCl in 250mL of<br> solution?

mariarad [96]

Answer:

3.2M HCl Solution

Explanation:

Molarity = moles of solute / volume of solution expressed in liters

moles of solute = 0.80 moles HCl

volume of solution = 250 ml = 0.250 Liter

Molarity (M) = 0.80 moles HCl / 0.250 Liters = 3.2M HCl Solution

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2 years ago