2 years ago

How do we know that sunspots are associated with the sun's magnetic field?

1 answer:

8 0

Answer:

astronomers know that sunspots are associated with magnetic fields because they can look at the spectral lines that come from the sunspots and measure by how much these lines are split.

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Relationship between the variables of Pressure and Temperature of a gas?

pychu [463]

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The pressure of a given amount of gas is directly proportional to iys absolute temperature provided that that the volume does not change

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3 years ago

Answer question 1-6

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It is 4 because if you think about it it makes more sense

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3 years ago

Draw the correct structural formula for the following compounds:

Anvisha [2.4K]

Answer:

Explanation:

a) H3C-CH=CH-CH2-CH3

b) CH3 CH3

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CH3-C- CH- CH2- CH-CH3

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C2H5 C2H5

c) C2H5

CH3-C=CH-CH-CH2-CH-CH3

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CH3 CH3

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4 years ago

If an element has 10 protons and 11 neutrons and 10 electrons, which expression correctly identifies the element?

Sunny_sXe [5.5K]

When the number of protons and electrons are equal, that means the element is neutral. So, to know the element, find the element with an atomic number of 10. That would be Neon. Next, solve the mass number.

Mass number = protons +neutrons = 10+11 = 21

Thus, the expression should be written as shown in the attached picture.

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3 years ago

Of the following transitions in the Bohr hydrogen atom, the ________ transition results in the emission of the lowest-energy pho

Sladkaya [172]

N=6 ——> n=1
hope this helps!

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3 years ago