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Elina [12.6K]
3 years ago
8

What is Proportional to the energy of electromagnetic wave

Chemistry
1 answer:
padilas [110]3 years ago
7 0

Answer:

The frequency  

Step-by-step explanation:

The formula for the energy of an electromagnetic wave is  

E = hf     Thus,  

E ∝ f       and

f ∝ E

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100 g of 20% salt solution is mixed with 200g of 10% salt solution. Find out the concentration of the resulting solution.​
Hoochie [10]

Explanation:

The total mass is:

100 g + 200 g

= 300 g

The mass of salt is:

0.20 (100 g) + 0.10 (200 g)

= 20 g + 20 g

= 40 g

So the concentration is:

40 g / 300 g

≈ 13.33%

Round as needed.

7 0
3 years ago
Which statement best discribes the usual form and funtion of a plants root system
Misha Larkins [42]

Answer:

The chemical energy is used to form ATP bonds. ... Which statement best describes the relationship between the products of photosynthesis ... Usually sap quickly covers the wound, and then the tree covers the wound with new growth

Explanation:

8 0
3 years ago
Read 2 more answers
What is the most stable monatomic ion formed from lithium?
s344n2d4d5 [400]

<u>Answer:</u> The ion formed by lithium element is Li^+

<u>Explanation:</u>

Ions are formed when an atom looses or gains electrons.

If an atom gains electrons, it leads to the formation of negative ions known as anions. For Example: Fluorine gains 1 electron to form F^- ions.

If an atom looses electrons, it leads to the formation of positive ions known as cations. For Example: Sodium looses 1 electron to form Na^+ ions.

Lithium is the 3rd element of the periodic table having 3 electrons.

The electronic configuration of lithium element = 1s^22s^1

This element will loose 1 electron to attain stable electronic configuration and will lead to the formation of Li^+ ion.

Hence, the ion formed by lithium element is Li^+

3 0
3 years ago
Most tornadoes carry wind speeds that range from
gtnhenbr [62]
In the categorization of tornadoes, most tornadoes (87%) are no stronger than EF1 unless 'most' is considered 55% in which case the answer is EF0. 
EF0 - 65 to 85 mph {104.61 to 136.79 km/h}EF1 - 86 to 110 mph {138.40 km/h to 177 km/h}
Hence the answer would have to be C
6 0
3 years ago
Is air a mixture give 3 reasons
solmaris [256]

Answer: https://van.physics.illinois.edu/qa/listing.php?id=1508&t=why-is-air-a-mixture

Explanation: The best reason I can think of for why we believe that air is a mixture is that freezing air slowly yields different liquids at different temperatures. Liquid nitrogen has a different boiling point than liquid oxygen. They also freeze at different temperatures. If air were only 1 compound, then air in its entirety would have a single boiling point and a single freezing point.  

Jason (w. mike)

air is not a mixture because of scientists freezing it and finding different liquids, it is a mixture because the compounds that make up air e.g. oxygen (o2), Carbon dioxide (co2) and the most important Nitrogen which is an element and makes up 78.09% of air are not chemically bound in the way that compounds are because they can be separated easily and there has been no change in state to any of the compounds or elements in air

6 0
3 years ago
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