ACS practice questions with correct answers | 100% pass
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Module
ACS Chemistry
Institution
ACS Chemistry
ACS practice questions with correct
answers | 100% pass
Examples of Lewis-Acid based reactions - ️️ Correct-H+(aq) + OH-(aq) →← H2O(l),
HCl(g) + NH3(g) → NH4Cl(s)
H+(aq) + OH-(aq) →← H2O(l)
According to the Lewis definition, an acid is a species - ️️ Correct-accepting a pair ...
39.2 g of nickel. What ions are in the solution of this salt?
Ag 107.9 g·mol-1
Cu 63.5 g·mol-1 - ✔️✔️Correct-Ni3+
. A given amount of electric charge deposits 2.159 g of silver from an Ag+ solution.
What mass of
copper from a Cu2+ solution will be deposited by the same quantity of electric charge?
Ag 107.9 g·mol-1
Cu 63.5 g·mol-1 - ✔️✔️Correct-0.635 g
If each of these ions were reduced to metal with one coulomb, which would yield the
greatest mass? - ✔️✔️Correct-Ag+(aq)
Which is a proper description of chemical equilibrium? - ✔️✔️Correct-Reactant molecules
are forming products as fast as product molecules are reacting to form reactants.
When equilibrium has been reached in the reaction
AE + CD →← CE + AD + x kJ
in which all substances are in solution, - ✔️✔️Correct-escape of some AD by volatilization
will increase the concentration of CE
Given the reaction 2X(g) + Y(g) →← 2Z(g) ∆H = -335 kJ which combination of
3/19
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