How much kinetic energy does a proton gain if it is accelerated, ...

[ashley]

How much kinetic energy does a proton gain if it is accelerated, with no friction, through a potential difference of 1.00 V? The proton is 1836 times heavier than an electron, and e = 1.60  10-19 C.
 
  A) 1836 eV
  B) 1.00 eV
  C) 1.60  10-19 eV
  D) 1.00 J
  E) 1836 J

Question 2

A sealed container holds 0.020 moles of ideal nitrogen (N2 ) gas, at a pressure of 1.5 atm and a temperature of 290 K. The atomic mass of nitrogen is 14.0 g/mol.
 
  How many molecules of nitrogen are in the container? (R = 8.31 J/mol  K, 1 atm = 101 kPa)
  A) 1.5  1021 mol
  B) 3.0  1021 mol
  C) 6.0  1021 mol
  D) 1.2  1022 mol
  E) 2.4  1022 mol

[parker125]

Answer to Question 1

B

Answer to Question 2

D

[ashley]

TYSM

[daiying98]

Thanks for the timely response, appreciate it