Coffee and Cream A spoonful of cream is taken from a pitcher of cream and put into a cup of coffee. The coffee is stirred. Then a spoonful of this mixture is put into the pitcher of cream. Is there now more cream in the coffee cup or more coffee in the pitcher of cream?

Gas in a Tank  A tank is filled with an ideal gas at 400 KK and pressure of 1.00 atm Having been heated to 800 K , at some point the tank starts to leak. By the time the leak is repaired, the tank contains only half as much gas, and the pressure of the remaining gas is again 1.00 atm . What is the temperature of the gas?

Question 14 An ice cube is dropped into a mixed drink containing alcohol and water. The ice cube sinks to the bottom. From this you can conclude,

A metal rod doubles in length when its temperature changes from 20°C to 30°C. Which statement will describe the metal rod? * the a of the metal rod is 0.2 per Cº the metal rod expands by 2 meters every 1Cº the metal rod will ONLY expand if there is an increase in temperature of 10C°