Help PLEASE PLEASE PLEAS I will really appreciate it thank you!! Will mark Calculate the total energy in 1.5 x 10^13 photons of gamma radiation having wavelength = 3.0 x 10^-12 m. Need to show ALL work

- both b and d.

-since b and d are the closest coastlines then that makes it the most affected.

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the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.