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yuradex [85]
3 years ago
8

Which of the following statements about the nucleus is false?

Chemistry
2 answers:
GarryVolchara [31]3 years ago
6 0

Answer:

B. Able to be lost or gained in chemical reactions.

charle [14.2K]3 years ago
6 0

Answer:

B

Explanation:

a chemical reaction would only move the nucleas

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Silver chloride was reacted with magnesium hydroxide, in which magnesium displaced silver
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Answer:

<h3>The precipitate is MgCl2</h3>

Explanation:

The reaction that is described goes as follows:

2AgCl + Mg(OH)2 ---> MgCl2 + 2AgOH

The precipitate here is the MgCl2 salt.

I hope it helped!

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3 years ago
Which is a cause of physical weathering but not of chemical weathering ??
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4 years ago
Calculate the vapor pressure at 25 ?c of hexane above the solution. the vapor pressure of pure hexane at 25 ?c is 151 torr.
Studentka2010 [4]
One of the many ways in order to solve for the vapor pressure of pure components at a given temperature is through the Antoine's equation which is written below,
                                    P = 10^(A - B/C+T)
where A, B, and C are constants and T is the temperature in °C and P is the vapor pressure in mm Hg. 
For hexane,
                             A = 7.01
                             B = 1246.33
                             C = 232.988

Substituting the known values,
                            P = 10^(7.01 - 1246.33/232.988+25)
                             <em> P = 151.199 mm Hg</em>
8 0
4 years ago
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