During a nuclear reaction, the particles involved lose 4.8 10-28 kg of mass. How many joules of energy are released by this reaction? (c = 3.00 108 m/s)
A) 1.4 10-19 J
B) 5.3 10-45 J
C) 2.1 10-40 J
D) 4.3 10-11 J
E) 1.6 10-36 J
Question 2
The focal lengths of the objective lens and the eyepiece of a microscope are 0.50 cm and 2.0 cm, respectively, and their separation adjusted for minimum eyestrain is 6.0 cm.
If the microscope is focused on a small object, what is the distance between the object and the objective lens?
A) 0.73 cm B) 0.31 cm C) 0.57 cm D) 0.49 cm E) 0.42 cm
For this bimolecular reaction, the rate constant k is second order
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