Which change occurs at the anode in an operating electrochemical cell? 1.
gain of protons
2.
gain of electrons
3.
loss of protons
4.
loss of electrons
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loss of electrons

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.