3 years ago

The color blue has a shorter wavelength than the color orange. Blue has _____.

Chemistry

1 answer:

OleMash [197]3 years ago

7 0

Blue has a shorter wave length

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Sodium tripolyphosphate is used in detergents to make them effective in hard water. calculate the oxidation number of phosphorus

Fed [463]

Step 1:
Write molecular Formula,

Na₅P₃O₁₀
Step 2:
Assign Oxidation number to Na (which is +1) and O (which is -2), and X (unknown) for P.
(+1)₅ + (X)₃ + (-2)₁₀ = 0

Zero means overall charge on molecule is zero (Neutral).

Step 3:
Now solve for X,
(+5) + (X ÷ 3) + (-20) = 0

X ÷ 3 = -5 + 20

X ÷ 3 = +15

X = +15 ÷ 3

X = +5

Result:
Oxidation number of P is +5.

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Which statement describes magnetic force?

tekilochka [14]

Answer:

D. A north pole and south pole attract each other

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What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent? combustion decompositio

horsena [70]

The answer is D, synthesis.

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Write dissociation equations for the following soluble salts dissolving in water. Then draw a particle - level representation fo

zhuklara [117]

Answer:

The dissociation equations for NaBr gives Na+ and Br-

The dissociation equations for ZnCl2 gives Zn2+ and 2 Cl-

Explanation:

The following pictures shows that the dissociation of one particle of NaBr produces one particle of Na+ (sodium cation) and one particle of Br- (bromine anion).

The dissociation of one particle of ZnCl2 produces one particle of Zn+2 (Zinc cation) and two particles of Cl- (chlorine anion).

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luda_lava [24]

The sum is 34.688 m.

If m is a variable, then the m would be attached to 34.688.

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