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trapecia [35]
3 years ago
13

What is a trade-off? Don't mind the highlighted yellow circle

Chemistry
1 answer:
kirill [66]3 years ago
5 0

Answer:

a new scientific discovery that benefits the environment

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What is the net ionic equation for the reaction that occurs when aqueous solutions of koh and zncl2 are mixed?
Mademuasel [1]

Answer:

Net ionic equation:

Zn²⁺(aq)  +   2OH⁻(aq)     →    Zn(OH)₂(s)

Explanation:

Chemical equation:

ZnCl₂ + KOH    →   KCl  + Zn(OH)₂

Balanced chemical equation:

ZnCl₂ + 2KOH    →   2KCl  +Zn(OH)₂

Ionic equation;

Zn²⁺(aq)  + 2Cl⁻(aq)  + 2K⁺(aq)  +  2OH⁻(aq)     →   2K⁺(aq)  + 2Cl⁻(aq)   +Zn(OH)₂(s)

Net ionic equation:

Zn²⁺(aq)  +   2OH⁻(aq)     →    Zn(OH)₂(s)

The K⁺  and Cl⁻  are spectator ions that's why these are not written in net ionic equation. The  Zn(OH)₂ can not be splitted into ions because it is present in solid form.

Spectator ions:

These ions are same in both side of chemical reaction. These ions are cancel out. Their presence can not effect the equilibrium of reaction that's why these ions are omitted in net ionic equation.  

5 0
3 years ago
What is the name of this unstable isotope from number 9?
raketka [301]

Is there a picture of the isotope or?- becaue I can’t help if I don’t have a visual.

6 0
3 years ago
Read 2 more answers
How do particles in a solid move?
satela [25.4K]

Answer:

The particles in a solid vibrate in place.

Explanation:

The particles in a solid are close and tightly packed together so they have no room to flow past each other like the particles in a liquid can.

Hope this helps!

8 0
4 years ago
Breaking down earths surface
tino4ka555 [31]

☁️ Answer ☁️

Thats called weathering.

Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth.

Hope it helps.

Have a nice day noona/hyung!~  ̄▽ ̄❤️

6 0
3 years ago
LOLZ PLZ HELP PLZZZZ
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It smells so bad that no one or animal will get near it
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