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ale4655 [162]
4 years ago
10

How can a permanent magnet be damaged?

Chemistry
1 answer:
34kurt4 years ago
3 0
<span>d. both the second and third choices above</span>
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I need help giving 45 points.
bazaltina [42]

Answer:

im guessing volume. i really dont know but my guess would be volume

8 0
3 years ago
Read 2 more answers
8. A student found the mass of an object to be 26.5 g. To find the volume, the student submerged the object in a graduated cylin
LenKa [72]

Answer: The density of the object is 1.10 g/ml

Explanation:

To calculate the mass of water, we use the equation:

\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}

Density of object = ?

Mass of object = 26.5 g

Volume of object = volume of water displaced = 24.1 ml

Putting values in above equation, we get:

Density=\frac{26.5g}{24.1ml}=1.10g/ml

Thus density of the object is 1.10 g/ml

3 0
3 years ago
What is the distance from earth to Neptune in standard notation and scientific notation.
ira [324]

Answer:

Scientific Notation: 4.45963 x 109 km (29.811 A.U.) Scientific Notation: 4.53687 x 109 km (30.327 A.U.) By Comparison: If you weigh 100 pounds on Earth, you would weigh 110 pounds on Neptune.

4 0
3 years ago
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2' A mixture containing 2.75 gof ammonium chloride (NH4cl) in 5.0 g of water was heated to dissolve the solid and then allowed t
Trava [24]

Answer:

55g NH₄Cl / 100g Water

Explanation:

Solubility of a substance define the amount of solute per solvent in a saturated solution. The solution can dissolve additional solute if heated.

In the problem, as the first crystal appears at 61°C the solubility in this temperature is the concentration of the solution, that is:

2,75g NH₄Cl / 5,0g water ₓ 100 = <em>55g NH₄Cl / 100g Water</em>

<em></em>

I hope it helps!

6 0
3 years ago
When a radioactive atom emits a beta particle, the original atom's atomic number
Alenkasestr [34]
The number decreases as the amount of electrons decreases

hope that helps
7 0
4 years ago
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