Whаt is the energy chаnge (in J) when the temperаture оf [x] grams оf Xenоn (C = 1.03 J/g°C) is decreased from [y] °C to [z] °C (Report your answer to 2 decimal places, i.e. xx.xx and make sure to include a negative sign, if necessary.) (No units are necessary in answer.)