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1. Calculate the heat energy released when 19.1 g of liquid mercury at 25.00 °C is...

1. Calculate the heat energy released when 19.1 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point.

2. A certain liquid has a vapor pressure of 92.0 Torr at 23.0 ∘C and 349.0 Torr at 45.0 ∘C. Calculate the normal boiling point of this liquid.

3.At 1 atm, how much energy is required to heat 45.0 g H2O(s) at −22.0 ∘C to H2O(g) at 151.0 ∘C?

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