How many atoms of oxygen are contained in 44 g of carbon dioxide, CO2?
a. 3.01 × 10^23
b. 12.0 × 10^23
c. 6.02 × 10^23
d. None of these
b
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In the Bohr model of the hydrogen atom the state of the atom is characterized by a single quantum number n
Indicate whether the statement is true or false
Two large parallel conducting plates are 8.0 cm apart and carry equal but opposite charges on their facing surfaces. The magnitude of the surface charge density on either of the facing surfaces is 2.0 nC/m2 . Determine the magnitude of the electric potential difference between the plates
a. 36 V b. 27 V c. 18 V d. 45 V e. 16 V
Why is it easier to travel to a remote viewing site with an 8" Cassegrain than an 8" Newtonian reflector?
What will be an ideal response?
When the frequency of the source of a water wave increases, the distance between successive peaks in the wave increases
a. True b. False Indicate whether the statement is true or false