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When equilibrium is reached at constant temperature and pressure,
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Q34: As the atomic number of the elements
Q45: According to the diagram above,<br>A)ΔG° is positive
Q77: Which solution has the lowest pH?<br>A)(1)<br>B)(2)<br>C)(3)<br>D)(4)
Q82: At 50°C the value of K<sub>w</sub> is
Q104: The entropy change associated with the expansion
Q108: Identify the set of Lewis acids.<br>A)BH<sub>3</sub>,BF<sub>3</sub>,Cu<sup>2+</sup>,CO<sub>2</sub><br>B)Cl<sup>-</sup>,OH<sup>-</sup>,NBr<sub>3</sub>,H<sub>2</sub>O<br>C)H<sub>3</sub>PO<sub>4</sub>,H<sub>2</sub>PO<sub>4</sub><sup>-</sup>,HPO<sub>4</sub><sup>2-</sup>,PO<sub>4</sub><sup>3-</sup><br>D)CCl<sub>3</sub><sup>-</sup>,NH<sub>2</sub><sup>-</sup>,CN<sup>-</sup>,F<sup>-</sup>
Q110: The reaction CaCO<sub>3</sub>(s)⇌ CaO(s)+ O<sub>2</sub>(g)is endothermic at
Q114: The signs of ΔG,ΔH,and ΔS at 25°C
Q140: Element M has the valence electron configuration
Q184: Calculate the concentration of bicarbonate ion,HCO<sub>3</sub><sup>-</sup>,in a