1. Ms. Goth was baking cookies for her 6th grade students. The timer went off and Ms. Goth opened the oven door. She grabbed the cookie tray without using an oven mitt and burnt her
hand on the tray. Which heat transfer occurred in this situation?
(20 Points)
Radiation
Convection
Conduction
Chemical Energy

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.