The explanation for a phenomenon is a hypothesis something happened that you sure that was going to happen
The balanced net ionic equation for the reaction of aqueous sodium sulfide with aqueous lead(II) nitrate is Pb2+(aq) + S2-(aq) ===> PbS(s).
The chemical equation known as the net ionic equation only displays the substances that are directly involved in the chemical process. It is described how to write a net ionic equation. We only need to take out the spectator ions in order to formulate the net ionic equation. We are left with the net ionic equation after removing the spectator ions! The net ionic equation can be obtained by repeating this procedure for any reaction.
Na2S(aq) + Pb(NO3)2(aq) ===> 2NaNO3(aq) + PbS(s) ... molecular equation
sodium sulfide....lead(II) nitrate .........sodium nitrate.....lead sulfide
2Na+(aq) + S2-(aq) + Pb2+(aq) + 2NO3-(aq) ==> 2Na+(aq) + 2NO3-(aq) + PbS(s) ... complete ionic equation
Pb2+(aq) + S2-(aq) ===> PbS(s) ... net ionic equation
To know more about net ionic equation refer to: brainly.com/question/22885959
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Answer:
Explanation:
Given that,
The wavelength of electromagnetic radiation is 963.5 nm.
We need to find the energy of a photon with this wavelength.
The formula used to find the energy of a photon is given by :
So, the energy of a photon is 
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