Answer:
Explanation:
Zn + 2HCl ⇄ ZnCl₂ + H₂
A system in equilibrium will try to annul any stress placed on the system for it to maintain the equilibrium position.
For reactions in which concentration changes are effected, the equilibrium shifts to the right if the concentration of species on the reactant side is increased and vice versa.
In the reaction above, if the concentration of the HCl is decreased, the equilibrium will shift to the left in order to increase back the concentration of both the Zn and HCl. Therefore, the acid HCl will become more acidic.
Answer:
1 orbital (shells) and 1 valence electron
Explanation:
If an atom of hydrogen is a neutral atom, it will have 1 proton in the nucleus and 1 electron in the electron shell.
W=(m'/m)·100%
m'=37.2 g
m=48.5 g
w=(37.2/48.5)·100%=76.7%
Answer:
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Explanation:
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Mass and volume are two units used to measure objects. Mass- the amount of matter an object contains and volume- how much space it takes up