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Volgvan
3 years ago
10

Theory that the lithosphere is divided into tectonic plates that slowly move on

Chemistry
1 answer:
vitfil [10]3 years ago
5 0
Pute because I’m smart and I know the right answer
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Chemistry: Molarity and Concentrations
kotegsom [21]
I dont know if this correct, but i hope it help

5 0
2 years ago
Calculate the solubility of zn(oh)2(s) in 2.0 m naoh solution. (hint: you must take into account the formation of zn(oh)2−4, whi
Brilliant_brown [7]
When we have:

Zn(OH)2 → Zn2+ 2OH-  with Ksp = 3 x 10 ^-16

and:

Zn2+ + 4OH- → Zn(OH)4 2-  with Kf = 2 x 10^15
 
by mixing those equations together:

Zn(OH)2 + 2OH- → Zn(OH)4 2- with K = Kf *Ksp = 3 x 10^-16 * 2x10^15 =0.6

by using ICE table:

         Zn(OH)2 + 2OH- → Zn(OH)4 2-

initial                     2m              0

change                  -2X                +X     

Equ                       2-2X                 X

when we assume that the solubility is X

and when K = [Zn(OH)4 2-] / [OH-]^2

        0.6 = X / (2-2X)^2    by solving this equation for X

∴ X = 0.53 m

∴ the solubility of Zn(OH)2 = 0.53 M
4 0
3 years ago
Which of the following are products of the reaction listed? Zn + 2HCI
Alexus [3.1K]

Answer:

uh A.)? [ZnCI2+H2]? /////////

5 0
3 years ago
What is the ionic equation for dilute hydrochloric acid and magnesium
Nataly [62]

Answer:

Mg(s) + 2H⁺(aq) ⟶ Mg²⁺(aq) + H₂(g)  

Explanation:

A net ionic equation shows all the ionic substances as ions and shows the correct state of each substance.

7 0
3 years ago
Read 2 more answers
Water vapor also enters the atmosphere through —————(2 words), which takes place in many cells and produces water and carbon dio
yawa3891 [41]

Answer:

It is <em><u>photosynthesis</u></em><em><u> </u></em><em><u>and </u></em><em><u>transpiration</u></em><em><u> </u></em>

hope it helps

8 0
3 years ago
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