A student is at home on a hot summer day when the air conditioning stops working. The student opens the door to the refrigerator and seals off the kitchen from the rest of the house. Which best describes the change in temperature and entropy of the air molecules in the kitchen?

Use the empirical rule. the mean speed of a sample of vehicles along a stretch of highway is 70 miles per hour, with a standard deviation of 4 miles per hour. estimate the percent of vehicles whose speeds are between 66 miles per hour and 74 miles per hour. (assume the data set has a bell-shaped distribution.)

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

How have the competing explanations' experiments on atoms affected the development of the atomic model?