A container is filled with a Gas has a temperature of 350k and a pressure of 850 mmHg. The container is brought to a lower pressure of 0.75 atm. What is its new temperature? (Gay-lussac's law)

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water