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netineya [11]
2 years ago
15

Give numerical answers to the following questions about the structure of a cholesterol molecule.

Chemistry
2 answers:
PolarNik [594]2 years ago
5 0
Yea it should be letter d
Free_Kalibri [48]2 years ago
3 0
D! i got it right hope you do
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What is the periodic trend for electronegativity
soldier1979 [14.2K]

Answer:

mark me brainlest

Explanation:

Electronegativity values generally increase from left to right across the periodic table. Electronegativities generally decrease from top to bottom of a group. The highest electronegativity value is for fluorine.

3 0
2 years ago
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You have to make 500 mL of a 1.50 M BaCl2. You have 2.0 M barium chloride solution available. Determine how to make the needed d
Inga [223]

Answer:

You need 375 mL of BaCl2 solution.

Explanation:

M1V1=M2V2

Dilution formula. Substitute known values and solve for V1.

M1 = 2.0 M

M2 = 1.50 M

V2 = 500 mL

(2.0 M)(V1) = (1.50 M)(500 mL)

V1 = (1.50 M)(500 mL) / (2.0 M)

V1 = 375 mL

7 0
2 years ago
A puddle of water on the sidewalk evaporates and becomes water vapor. the water vapor travels through the air and comes into con
Shtirlitz [24]
2. it becomes a liquid
4. its molecules lose energy

The change in state is due to the loss of energy.

3 0
3 years ago
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The following ionization energies were found for an unknown element: -
Alika [10]

Answer:

The common ion will be di-positive ion.

Explanation:

The ionization energy is defined as the amount of energy needed for removal of most loosely bound electron from an isolated atom in gaseous state.

The low ionization energy shows that the atom is able to give electron easily as after losing electron it may attain noble gas configuration or half filled stability.

Here the first and second ionization energy, both are low suggesting that the element is ready to give two electrons easily to form a di-positive ion however the third ionization energy is high which shows that it will not form tri-positive ion commonly.

7 0
3 years ago
A change in matter that produces one or more new substances is a ???
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Chemical reaction, generally speaking. It's a vague definition, but it's easy to remember.

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3 years ago
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