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3 years ago

Is it possible for an electron in a hydrogen atom to emit a gamma ray by falling to a lower energylevel?

1 answer:

jeka943 years ago

7 0

No, its not possible. Let's go back to 4th grades' basic science.
"Energy can not be created or destroyed."
This applies to everything, even atoms!

Have a great day! ❤

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The solubility of CO2 gas in water increases with increasing temperature. is not dependent on temperature. decreases with decrea

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3 years ago

Write a full equation for the reactions between magnesium and sulfuric acid

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Explanation:

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3 years ago

Which electromagnetic radiation on the electromagnetic spectrum can be detected by the human eye?

qaws [65]

Answer:

D. Visible Light

Explanation:

D is the right answer because visible light is perceived by humans as color and the rest aren't visible at all. For example, if you broke a bone and have to have an X-ray done, you can't see the x-rays. When you are heating something in the microwave, you can't see the waves. And when you are listening to the radio in the car, you also can't see the waves.

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2 years ago

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Vanillin (used to flavor vanilla ice cream and other foods) is the substance whose aroma the human nose detects in the smallest

balu736 [363]

Answer:

Cost to supply enough vanillin is $3.2\$$

Explanation:

Threshold limit of vanillin in air is $2.0\times 10^{-11}g$ per litre means there should be $2.0\times 10^{-11}g$ of vanillin in 1L of air to detect aroma of vanillin.

$1ft^{3}=28.32L$

So, $5.0\times 10^{7}ft^{3}=(5.0\times 10^{7}\times 28.32)L$

So amount of vanillin should be present to detect = $(2.0\times 10^{-11}\times 5.0\times 10^{7}\times 28.32)g$

As cost of 50 g vanillin is $112\$$ therefore cost of $(2.0\times 10^{-11}\times 5.0\times 10^{7}\times 28.32)g$ vanillin = $(2.0\times 10^{-11}\times 5.0\times 10^{7}\times 28.32\times 112)\$ = 3.2\$$

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2 years ago

Giving brainliest for answers too ALL 3

Tasya [4]

2 and 2 and 3 hope that helped

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2 years ago

Read 2 more answers