Describe the difference you found between the treated and untreated
potatoes. What did you expect to find?
What will be an ideal response?
Students should expect to find more bacteria on the treated potatoes. Students
should find their expectations to be true
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What happens to the reaction rate when the temperature increases?
A. Reaction rate increases B. Reaction rate decreases C. Reaction rate does not change D. Reaction does not occur
The average height of a male ROTC cadet is 70 in. Twelve percent of the male cadets are taller than 72 in. Assuming that the heights of the cadets are normally distributed, what is the standard deviation?
What will be an ideal response?
?Which of the following would not be a part of the technical data provided for an electrode?
A. ?Ability to weld on rust, oil, or paint B. ?Number of inches of weld per welding electrode C. ?Preheating and postheating temperatures D. ?Cost per pound of electrodes
An elevator consists of the cabin, motor, counterweight, cables, and pulleys. The elevator cabin is full and is moving downward. The mass of the cabin plus people is greater than the mass of the counterweight. Explain the operation of the motor in terms of energy transfer, and indicate the speed-torque quadrant for this motion.
What will be an ideal response?