The pressure of a refrigerant cylinder containing saturated refrigerant:
A) Is determined by both the amount of refrigerant in the cylinder and the cylinder temperature.
B) Is determined entirely by the amount of gas in the cylinder.
C) Is determined entirely by the temperature of the refrigerant.
D) Is determined by the amount of liquid in the cylinder.
C
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These two curves show ____.
?
A. ?large differences in standard deviations B. ?similar means C. ?skewed curves D. ?standard normal curves
There are two commonly used scales: the architectural scale and the ____________________ scale.
Fill in the blank(s) with the appropriate word(s).
First instar chinch bug nymphs are:
A) black B) white C) ?green D) red
According to Newton’s law of cooling, the temperature T of a body at time t is given by 
, where 
is the ambient temperature, 
is the initial temperature, and k is the cooling rate constant. For a certain type of beverage container, the value of k is known to be 
.
a. Assume that 
=36°F exactly and that 
=72.0 ± 0.5°F. Estimate the temperature T at time t=10 min, and find the uncertainty in the estimate.
b. Assume that =72°F exactly and that =36.0 ± 0.5°F. Estimate the temperature T at time t=10 min, and find the uncertainty in the estimate.