What is the kinetic energy of an electron in the n = 2 Bohr orbit ...

[crazycityslicker]

What is the kinetic energy of an electron in the n = 2 Bohr orbit of the hydrogen atom?
 
  A) 2.71  10-19 J
  B) 3.20  10-19 J
  C) 5.45  10-19 J
  D) 6.10  10-19 J
  E) 2.16  10-18 J

Question 2

When you walk barefoot in a room, the floor feels cooler walking on a tile floor as compared to a wooden floor because
 
  A) tile has a smaller specific heat than wood.
  B) tile has a larger specific heat than wood.
  C) tile has a smaller thermal conductivity than wood.
  D) tile has a larger thermal conductivity than wood.
  E) none of the above

[leeeep]

Answer to Question 1

C

Answer to Question 2

D

[crazycityslicker]

Excellent

[Joy Chen]

TYSM