SERA

How many critical points does the function f(x)=((x −1)^6) ((x + 5)^7) have?

125 g of dry ice (solid CO2) is dropped into a beaker containing 500 g of 66°C water. The dry ice converts directly to gas, leaving the solution. When the dry ice is gone, the final temperature of the water is 29°C. What is the heat of vaporization of sol...