Answer:
The mass of a pure substance represents a specific number of pure substance 'molecules', as defined by molecular weight. The relative atomic mass (atomic weight) in grams/mole (g/mol) is the molar mass of a substance, which means it is the mass of one mole of that substance.
Explanation:
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In a galvanic cell, the oxidation and reduction of metals occurs at the electrodes. There are two electrodes in a very cell, one in each half-cell. The cathode is where reduction takes place and oxidation takes place at the anode.
Pressure is the constant in Charles' law. If the pressure is constant, then this law upholds as being true.
Answer: Between 2 nitrogen atoms, 3 covalent bonds will form. So answer choice A is the correct answer.