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Pavel [41]
3 years ago
14

Can A magnet can be changed by hitting it hard or exposing it to heat.

Chemistry
1 answer:
Ainat [17]3 years ago
6 0
Well, a magnet could DEFINITELY change if it gets exposed to heat, because you could melt the metal and change its shape.
If you hit it hard though, it wouldn't make much of a difference because the magnet is metal, so you'll probably just chip it or leave a dent.
Hope this helps ;)
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A 1 mL pipette delivers a measured volume of .98 mL (calculate the percentage error)
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Answer:

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Explanation:

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3 years ago
What volume of a 6.67 M NaCl solution contains 3.12 mol NaCl
jonny [76]
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5 0
3 years ago
A 1.5 M solution of NaOH was made in a laboratory. If the solution made had a volume of 4.5 L, how many grams of NaOH were added
Crank

Answer:

270g

Explanation:

Given parameters:

Concentration of NaOH  = 1.5M

Volume  = 4.5L

Unknown

Mass of NaOH added  = ?

Solution:

To solve the problem, we need to find the number of moles of the NaOH first;

 Number of moles  = concentration x volume

 Number of moles  = 1.5 x 4.5  = 6.75mol  

Now;

  Mass  = Number of moles x molar mass

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6 0
2 years ago
Can someone help me plz
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That answer is what characteristic you have.
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