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Vera_Pavlovna [14]
1 year ago
12

Remember that c is always about 300,000 km/s. Use the formula you identified to explain how the two factors in the formula are r

elated on the electromagnetic spectrum.
Chemistry
1 answer:
Korvikt [17]1 year ago
8 0

Answer:

Explanation:Remember that c is always about 300,000 km/s. Use the formula you identified to explain how the two factors in the formula are related on the electromagnetic spectrum.

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Identify the element: 6 energy level, metallic, 82 election
Lady bird [3.3K]

<u>Answer</u>:-

Name of element = Lead

Symbol ♾ of Lead = Pb

Atomic no. = 82

Atomic mass = 207.2 amu

No. of protons = 82

No. of electrons = 82

Yes, lead(Pb) is a metallic element and certainly it has 6 electron shells which means 6 energy level.

If you find anything unclear you can ask me...

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3. What are the products of a neutralization reaction?
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Answer:

Neutralization reactions occur when two reactants, an acid and a base, combine to form the products salt and water.

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Explain how Earth is heated through radiation.
sergiy2304 [10]

With this temperature the Earth Radiation will be centered on a Wavelength!

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2 years ago
Carbon monoxide (CO) is a poisonous gas because it binds very strongly to the oxygen carrier hemoglobin in blood. A concentratio
velikii [3]

<u>Answer:</u> The amount of CO that is occupied in the room is 1.98\times 10^3L

<u>Explanation:</u>

We are given:

Concentration of CO = 8.00\times 10^2ppm=800pm by volume

This means that 800\mu L\text{ or }800\times 10^{-6} of CO is present in 1 L of blood

To calculate the volume of cuboid, we use the equation:

V=lbh

where,

V = volume of cuboid

l = length of cuboid = 10.99 m

b = breadth of cuboid = 18.97 m

h = height of cuboid = 11.89 m

V=10.99\times 18.97\times 11.89=2478.83m^3

Converting this into liters, by using conversion factor:

1m^3=1000L

So,  2478.83m^3=2.479\times 10^6L

Applying unitary method:

In 1 L of blood, the amount of CO present is 800\times 10^{-6}

So, in 2.479\times 10^6L of blood, the amount of CO present will be = \frac{800\times 10^{-6}}{1}\times 2.479\times 10^{6}=1983.2L=1.98\times 10^3L

Hence, the amount of CO that is occupied in the room is 1.98\times 10^3L

8 0
3 years ago
In the experiment involving hydrated copper sulfate, overheating causes a high calculated percent value for water. why is the hi
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The answer to this question would be: Because the increase of temperature will increase volume.

Using PV=nRT formula we can see that temperature increase will cause an increase in volume. Overheating will cause the volume increase, then increasing the volume. If the percent value used is based on the volume, it will seem that the water is increased. But if the percent is using mass, there will be no increases.
That is why sometimes scientists using molality in a reaction with high temperature changes.
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