Answer:
i think is o helium, He........
This is a reduction half-reaction. Initially, gold exists as
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, and after the reaction, it has been converted to elemental gold. To make this possible, three electrons must be added to <span>
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. This fits within the definition of reduction reactions, where the reactant gains electrons in the reaction.</span>
Cellular respiration
is the process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
The answer is going to be mercury
Answer:
∆H or Enthalpy of the reaction
Explanation:
If ∆H is +ve
- Reaction is exothermic
- Example:-Combustion, mixing sodium/potassium in water
If ∆H is -ve
- Reaction is endothermic
- Ex:-Melting of ice