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Zolol [24]
2 years ago
15

What are three disadvantages of visible light

Chemistry
2 answers:
a_sh-v [17]2 years ago
4 0

Answer:

Eye Health Problems.

Vision-Related Accidents.

Deterioration of Materials.

Explanation:

Mariulka [41]2 years ago
4 0
Can cause sunburn or even cancer
Could cause blindness or eye damage
Can also cause different emotional responses
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Elecrtical or Radiantal 
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3 years ago
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Should the density of a metal depend on its volume?
jekas [21]

Answer:

Density is the ratio of the mass of an object to its volume. Density is an intensive property, meaning that it does not depend on the amount of material present in the sample. ... Since a cubic centimeter is equal to a milliliter, density units can also be expressed as g/mL.

Explanation:

6 0
2 years ago
g Which statement concerning the structure of the atom is correct? Protons and neutrons have most of the mass and occupy most of
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Protons and neutrons have most of the mass but occupy very little of the volume of the atom.

7 0
3 years ago
Electromagnetic forces are the predominant force in holding what subatomic particles together?
vova2212 [387]
<span><span><span> </span><span>The strong forces oppose the electromagnetic force of repulsion between protons. Like ”glue” the strong force keeps the protons together to form the nucleus. </span>·  The strong forces and electromagnetic forces both hold the atom together.</span><span> </span></span>
4 0
3 years ago
A certain substance X has a normal freezing point of -6.4 C and a molal freezing point depression constant Kf= 3.96 degrees C.kg
Brut [27]

Answer:  1.0\times 10^2g

Explanation:

Depression in freezing point is given by:

\Delta T_f=i\times K_f\times m

\Delta T_f=T_f^0-T_f=(-6.4-(13.6))^0C=7.2^0C = Depression in freezing point

i= vant hoff factor = 1 (for non electrolyte like urea)

K_f = freezing point constant = 3.96^0C/m

m= molality

\Delta T_f=i\times K_f\times \frac{\text{mass of solute}}{\text{molar mass of solute}}\times \text{weight of solvent in kg}}

Weight of solvent (X)= 950 g = 0.95 kg  

Molar mass of non electrolyte (urea) = 60.06 g/mol

Mass of non electrolyte (urea) added = ?

7.2=1\times 3.96\times \frac{xg}{60.06 g/mol\times 0.95kg}

x=1.0\times 10^2g

Thus 1.0\times 10^2g urea was dissolved.

8 0
3 years ago
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