The coefficient of volume expansion of a certain olive oil is 0.68 × 10-3 K-1. A 1.0-L glass beaker is filled to the brim with olive oil at room temperature
The beaker is placed on a range and the temperature of the oil and beaker increases by 25 C°. As a result, 0.0167 L of olive oil spills over the top of the beaker. Which of the following values is closest to the coefficient of linear expansion of the glass from which the beaker is made?
A) 1 × 10-6 K-1
B) 4 × 10-6 K-1
C) 1 × 10-5 K-1
D) 2 × 10-5 K-1
E) 3 × 10-5 K-1
B
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Answer the following statement true (T) or false (F)
An astronomical unit (AU) is ________
A) the average distance between Earth and the Sun B) the average distance between any planet and the Sun C) any very large unit, such as a light-year D) the current distance between Earth and the Sun
What defines a calorie?
a. The amount of heat that raises the temperature of one ounce of water by one degree Fahrenheit. b. The work done by the weight of one kilogram of water moving downward through a distance of one meter. c. The amount of heat that raises the temperature of one gram of water by one degree Celsius. d. The amount of work that raises the temperature of one gram of water by one degree Celsius. e. The amount of work that raises the temperature of one ounce of water by one degree Fahrenheit.
The air in a closed room has
1) mass, 2) energy, 3) weight, 4) all of these, 5) none of these, and the greater the rate of molecular motion in the air, the greater the 6) temperature. 7) molecular kinetic energy. 8) air pressure. 9) all of these. 10) none of these.