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Artyom0805 [142]
3 years ago
6

How many molecules are present in 78.9 g of silver nitrate (AGNO3)?

Chemistry
1 answer:
alina1380 [7]3 years ago
8 0

Answer: i will sacrifice my life for pakistan

Explanation:

wow grape

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Help me please thank you
ankoles [38]

Answer:

When nitric acid combine with sodium hydroxide the salt formed is called sodium nitrate. option B

Explanation:

It is the strong acid strong base reaction. When acid and base react with each other salt and water are formed.

In given reaction  nitric acid combine with sodium hydroxide base and form sodium nitrate salt and water.

Chemical equation:

HNO₃(aq) + NaOH(aq)       →      NaNO₃(aq) + H₂O(l)

Ionic equation:

H⁺NO₃⁻(aq) + Na⁺OH⁻(aq)       →      Na⁺NO₃⁻(aq) + H₂O(l)

Net ionic equation:

H⁺(aq) + OH⁻(aq)   →   H₂O(l)

The Na⁺(aq) and NO₃⁻(aq) are spectator ions that's why these are not written in net ionic equation. The water can not be splitted into ions because it is present in liquid 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.  

3 0
3 years ago
Which chemical reaction needs more energy to break bonds in the reactants
MA_775_DIABLO [31]

Answer:An endothermic reaction

Explanation: In an endothermic reaction, it takes more energy to break the bonds of the reactants than is released when the bonds in the products are formed. In an endothermic reaction, the temperature goes down.

6 0
3 years ago
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I need help with this
lubasha [3.4K]
The answer is untestable
5 0
3 years ago
Choose all the answers that apply.
zmey [24]
Calcium is a non metal

5 0
3 years ago
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Which type of bond is formed with when two Atomic share Park appear ​
Ber [7]

I think it's covalent...? Hope that helps.

3 0
3 years ago
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