The formula mass of sulfuric acid, H2SO4, is
a. 98 u.
b. 100 u.
c. 66 u.
d. 7 u.
a
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A 0.250 mole sample of an ideal gas has a volume of 0.00200 
a pressure of 2.00 atmospheres. What is the temperature of the sample of gas?
A. 153 K B. 166 K C. 175 K D. 185 K E. 195 K
Lenz's Law: Two solenoids are close to each other, as shown in the figure, with the switch S open. When the switch is suddenly closed, which way will the induced current flow through the galvanometer in the left-hand solenoid?
A. from left to right B. from right to left C. There will be no induced current through the galvanometer.
A mountain climber of mass 60. kg slips and falls a distance of 4.0 m, at which time he reaches the end of his elastic safety rope. The rope then stretches an additional 2.0 m before the climber comes to rest
What is the spring constant of the rope, assuming it obeys Hooke's law?
Our Solar System formed 14 billion years ago with the Big Bang
a. True b. False Indicate whether the statement is true or false