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vlada-n [284]
3 years ago
8

Which best explains how the diffraction pattern observed in Young’s experiment supports the wave theory of light?

Chemistry
2 answers:
olganol [36]3 years ago
4 0
<span>C. The pattern was caused by the interference of waves. </span>
Damm [24]3 years ago
3 0

<u>Answer:</u> The correct answer is option C.

<u>Explanation:</u>

The experiment performed by Thomas Young was named as double-slit experiment. In this experiment, he demonstrated the wave theory of the light.

In the experiment, he took a point source of light which illuminated two narrow adjacent slits on the screen and the image formed by the light were passed through the slits and was observed on the second screen.

The regions of dark and light regions were called as interference fringes which were caused by the constructive and the destructive interference of light waves.

Hence, he concluded that the pattern that was caused was due to the interference of the waves.

Therefore, the correct answer is Option C.

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Enter your answer in the provided box. When mixed, solutions of barium chloride, BaCl2, and potassium chromate, K2CrO4, form a y
ira [324]

Answer:

35.42g

Explanation:

Step 1:

The balanced equation for the reaction

BaCl2(aq) + K2CrO4(aq) → BaCrO4(s) + 2KCl(aq)

Step 2:

Determination of the limiting reactant.

It is important to determine which of the reactant is limiting the reaction as the limiting reactant is used to determine the maximum yield of the reaction. The limiting reactant can be determined as follow:

From the balanced equation above,

1 mole of BaCl2 reacted with 1 mole of K2CrO4.

Therefore, 0.7 mole of BaCl2 will also react with 0.7 mol of K2CrO4.

From the above illustration, we can see that it requires a higher amount of K2CrO4 to react with 0.7 mol of BaCl2. This simply means that K2CrO4 is the limiting reactant.

Step 3:

Determination of the number of mole of BaCrO4 produced from the reaction.

The limiting reactant is used in this case.

From the balanced equation above,

1 mole of K2CrO4 produced 1 mole of BaCrO4.

Therefore, 0.14 mole of K2CrO4 will also produce 0.14 mole of BaCrO4.

Step 4:

Converting 0.14 mole of BaCrO4 to grams.

This is illustrated below:

Molar Mass of BaCrO4 = 137 + 52 + (16x4) = 137 + 52 + 64 = 253g/mol

Number of mole BaCrO4 = 0.14 mole

Mass of BaCrO4 =?

Mass = number of mole x molar Mass

Mass of BaCrO4 = 0.14 x 253

Mass of BaCrO4 = 35.42g

Therefore, 35.42g of BaCrO4 is produced from the reaction.

4 0
3 years ago
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Elodia [21]
(Left) I’m pretty sure
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frosja888 [35]
(4) Zirconium 
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You have 0.5 L of air at 203 k in an expandable container at constant pressure. You heat the container to 273 k. What is the vol
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0.5L/203 = V2/273
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Hope this helps :)
4 0
3 years ago
Would you classify hydrogen as a metal or a non-metal? <br>Explain why.​
Igoryamba

Answer:

HYDROGEN IS A NON METAL.

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BRAINLIEST PLEASE, i really need it

5 0
2 years ago
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