Which major division of chemistry deals
specifically with the identification of the substances
present in a given sample of matter, and also with
the determination of how much of each substance
is present?
a)biochemistry
b)physical chemistry
c)analytical chemistry
d)organic chemistry
c
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A 2.00 kg mass is connected to a spring with a spring constant of 6.00 N/m. The displacement is given by the expression x(t) = 12.0 cm sin
What is the maximum velocity the simple harmonic motion?
A. 34.8 cm/s B. 30.7 cm/s C. 25.6 cm/s D. 20.8 cm/s E. 17.5 cm/s
What is a shell and tube heat exchanger?
What will be an ideal response?
The temperature of a rigid cylinder, 15 cm tall and 15 cm in radius, is used to heat its contents, a volume of Xenon (a monatomic gas) which begins at standard temperature (0oC) and pressure (1 atm). If the heat input to the box is 185 J, what is the final temperature of the gas?
a. 
b. 
c. 
d. 
e. 
f. 
What is the average kinetic energy of a nitrogen molecule in the air in a room in which the air temperature is 17.0°C?
A) 6.01 × 10-21 J B) 4.00 × 10-21 J C) 5.00 × 10-21 J D) 7.00 × 10-21 J E) 9.00 × 10-21 J