Find the uncertainty in the momentum (in kg ? m/s) of an electron if the uncertainty in its position is equal to 3.4 × 10^?10 m, the circumference of the first Bohr orbit
a. 6.2 × 10^?25
b. 1.6 × 10^?25
c. 15.5 × 10^?25
d. 19.4 × 10^?25
e. 2.0 × 10^?24
b
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The oldest objects found so far in our solar system are Earth rocks that are 3.9 billion years old
Indicate whether the statement is true or false
A 20.0-L pressure vessel holds 2.00 moles of oxygen at 30°C. What is the pressure inside the vessel?
A) 101 Pa B) 101 kPa C) 1.01 × 106 Pa D) 2.52 × 106 Pa E) 252 kPa
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