A certain nucleus containing 8 protons and 7 neutrons has a radius R. Which of the following values would be closest to the expected value of the radius of a nucleus having 51 protons and 69 neutrons?
A) 1.85R
B) 2.00R
C) 2.14R
D) 6.38R
E) 8.00R
B
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The red coloration seen on the Martian surface originates from
A. when Mars' had flowing water, it also has red algae, which stained the surface rocks. B. the iron minerals in the surface rocks combining with oxygen in the atmosphere causing the surface to rust. C. the atmosphere blocking out blue light, only allowing red light to reflect off the surface. D. past volcanic activity covering the surface of the planet with red lava.
The density of water is 1.00 g/cm3. What is its density in kg/m3?
What will be an ideal response?
Compare the Copernican principle with the assumptions of mediocrity
What will be an ideal response?
Four moles of nitrogen gas are contained in an enclosed cylinder with a movable piston. If the gas temperature is 298 K, and the pressure is 1.01 × 10^6 N/m2, what is the volume? (R = 8.31 J/mol•K)
a. 9.81 × 10^-3 m3 c. 17.3 × 10^-3 m3 b. 4.90 × 10^-3 m3 d. 8.31 × 10^-3 m3