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JulsSmile [24]
3 years ago
8

- What is the frequency of light whose waveler

Chemistry
1 answer:
Likurg_2 [28]3 years ago
3 0

Answer:

Frequency = 4.74 × 10¹⁴ Hz

Explanation:

Given data:

Wavelength of light = 633 nm (633 ×10⁻⁹ m)

Frequency of light = ?

Solution:

Speed of light = wavelength × frequency

Frequency = Speed of light / wavelength

Speed of light = 3 × 10⁸ m/s

Frequency = 3 × 10⁸ m/s / 633 ×10⁻⁹ m

Frequency = 0.00474 × 10¹⁷ s⁻¹

Frequency = 4.74 × 10¹⁴s⁻¹

s⁻¹ = Hz

Frequency = 4.74 × 10¹⁴ Hz

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To get the ∆S of the reaction, we simply have to add the ∆S of the reactants and the ∆S of the products. Then, we get the difference between the ∆S of the products and the ∆S of the products. If the <span>∆S is negative, then the reaction spontaneous. If the otherwise, the reaction is not spontaneous.</span>
8 0
3 years ago
What molecules do not attract each other
ExtremeBDS [4]

Answer:

Non-polar and non-polar molecules do not attract each other.

Explanation:

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6 0
2 years ago
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How many grams are of sodium chlorate are present in a 2.45 mole sample?
DedPeter [7]

Answer:

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Explanation:

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2 years ago
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What will be the volume of a gas sample at 358 K if its volume at 255 K is 7.4 L?
Jobisdone [24]

Answer:

10.4 L

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V1/T1=V2/T2

V2= (V1*T2)/T1

V2= (7.4L * 358K)/255K

V2=10.4 L

4 0
3 years ago
How many moles are in 9.25E24 formulas units of sodium acetate?
Lelu [443]

Answer:

<h2>15.37 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{9.25 \times  {10}^{24} }{6.02 \times  {10}^{23} }  \\  = 15.365448...

We have the final answer as

<h3>15.37 moles</h3>

Hope this helps you

5 0
3 years ago
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