An electron has an energy of 3.20 ev. calculate its energy in joules.

a.
2.00 4494
c.
5.12 4494
b.
0.500 4494
d.
0.195 449

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest