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Q1. A cube of ice is taken from the freezer at -8.7^circ C and placed in a 114 g aluminium calorimeter filled with 329 g of water at room temperature of 20.0 ^circ {rm C}. The final situation is observed to be all water at 15.0^circ C.

Q2. The pressure of sulfur dioxide (SO2) is 2.08 x 10^4 Pa. There are 419 moles of this gas in the volume of 43.50 m3. Find the translational rms speed of the sulfur dioxide molecules.

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