The mass of 1H is 1.007825 u and the mass of 1n is 1.008665 u. The mass of 12C is 12.000000 u, of 13N is 13.005739 u, and of 14N is 14.003074 u. What is the binding energy of the last neutron in 14N?
A) 10.6 MeV
B) 9.8 MeV
C) 1.9 MeV
D) 2.5 MeV
E) 3.8 MeV
A
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Uncertainty Principle Using Momentum and Position: What is the minimum uncertainty in determining the position of an electron if the speed of the electron is 6.0 km/s within an accuracy of 0.0040%? (melectron = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ? s)
A. 0.11 mm B. 0.15 mm C. 0.24 mm D. 0.34 mm E. 0.48 mm
Which of the following claims cannot be proved or disproved by science?
A) The universe is about 2000 years old. B) The universe started out very hot. C) The universe is about 14 billion years old. D) The universe was created by God.
Cleavage
What will be an ideal response?
One kelvin unit is equivalent to
a. 9/5 Fahrenheit degrees. b. 1 Fahrenheit degree. c. 2 Celsius degrees. d. 1.8 Celsius degrees.