Calculate the mass of silver (atomic mass = 108) deposited by the same quantity of electricity that
liberates 5600 mL of O₂ at STP.

1. 5.4 g

2. 10.8 g

3. 54.0 g

4. 108.0 g

Which of the following statements is correct for the spontaneous adsorption of a gas?

Find the condition that shifts the following exothermic equilibrium towards the formation of NH₃:

N₂(g) + 3H₂(g) ⇌ 2NH₃(g) + heat

For the reaction:
\(\mathrm{X}_2 \mathrm{O}_4(l) \rightarrow 2 \mathrm{XO}_2(g)\)
with the given values \(\Delta U = 2.1 \, \text{kcal}\) and \(\Delta S = 20 \, \text{cal K}^{-1}\) at \(300 \, \text{K}\), what is the value of \(\Delta G\)?

1. +2.7 kcal
2. –2.7 kcal
3. +9.3 kcal
4. –9.3 kcal

For a given exothermic reaction, K_p and K_p^’ are the equilibrium constants at temperatures T₁ and T₂ respectively. Assuming that the heat of reaction is constant in temperatures range between T₁ and T₂, it is readily observed that:
1. $K_p>K_p^{\text{'}}$
2. $K_p<K_p^{\text{'}}$
3. $K_p=K_p^{\text{'}}$
4. $K_p=\frac{1}{K_p^{\text{'}}}$

Which of the following represents the correct order of ionic radii?

When \(1.0\text{ g}\) of magnesium (\(\text{Mg}\)) is reacted with \(0.56\text{ g}\) of oxygen (\(\text{O}_2\)) in a closed container, determine the reactant left in excess and calculate the mass of the excess reactant remaining after the reaction is complete: (At. wt. Mg = 24; O = 16)

The pair of compounds that can exist together is:

1. FeCl₃, SnCl₂

2. HgCl₂, SnCl₂

3. FeCl₂, SnCl₂

4. FeCl₃, Kl

Which of the following ionic species is isoelectronic with \(\mathrm{Be^{2+}}\)?

A molecule among the following that has the maximum dipole moment is: