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Doss [256]
3 years ago
8

What is the chemical reaction in the equation NaCl (s) → Na + (aq) + Cl - (aq)

Chemistry
1 answer:
kondor19780726 [428]3 years ago
6 0

Answer:

exothermic reaction

when compounds dissolve they produce heat hence a chemical reaction that produces heat is known as endothermic reaction.

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When the following reaction is completed and written in the form of a net ionic equation, which of the following elements will N
Alex Ar [27]

Answer:

d. N

Explanation:

Chemical equation:

Pb(NO₃)₂(aq)  + K₂SO₄(aq)  →  PbSO₄(s) + KNO₃(aq)

Balanced Chemical equation:

Pb(NO₃)₂(aq)  + K₂SO₄(aq)  → PbSO₄(s) + 2KNO₃(aq)

Ionic equation:

Pb²⁺(aq) + 2NO₃⁻(aq)  + 2K⁺(aq) + SO₄²⁻(aq)  → PbSO₄(s) + 2K⁺(aq) + 2NO₃⁻(aq)

Net ionic equation:

Pb²⁺(aq) + SO₄²⁻(aq)  → PbSO₄(s)

The NO₃⁻(aq) and K⁺(aq)are spectator ions that's why these are not written in net ionic equation. The PbSO₄ 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.  

4 0
3 years ago
What is true of experimental designs that are used in scientific research?
MissTica
This is used for multiple scientists can perform the experiment and they can compare results.
Hope This Helps! :D 
3 0
3 years ago
What are the three states of matter?
nataly862011 [7]

SOLID

LIQUID

GASES .......

4 0
3 years ago
What is a common land form that is formed when chemical weathering, specifically carbonation, is taking place?
skad [1K]

Answer:

plateaus

Explanation:

6 0
3 years ago
5x^2 + 3×^2-x+7x<br>Help plz​
PSYCHO15rus [73]

Answer:

5x^2 + 3x^2 -x +7x

5x^2+3x^2+6x = 8x^2+6x

factorize it to get

2x(4x+3)

3 0
3 years ago
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