A helium balloon rises because of Archimedes' principle
a. True
b. False
Indicate whether the statement is true or false
True
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When a hydrogen atom's electron goes from an energy state of n = 1 to n = 3,
a. the radius of the electron's orbit is unchanged. b. the radius of the electron's orbit is increased. c. the radius of the electron's orbit is decreased. d. the radius of the electron's orbit is infinite.
Consider the n = 9 shell
(a) What is the largest value of the orbital quantum number, l, in this shell? (b) How many electrons can be placed in this shell?
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What will be an ideal response?
A 50-gram sample of dry ice (solid CO2) is placed in a 4-liter container. The system is sealed and allowed to reach room temperature (20°C). By approximately how much does the pressure inside the container increase when the dry ice turns to gas? (Ignore the initial volume of the sample.)
What will be an ideal response?