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MMLU-Pro / 11398 / A copper penny weighs 3.1 g. It contains equal amounts of positiveand negative…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A copper penny weighs 3.1 g. It contains equal amounts of positiveand negative electricity. What is the magnitude qof thesecharges? A copper atom has a positive nuclear charge of4.6 × 10^-18 C and a negative electronic charge of equal magnitude. For copper M = 64g/mol.

category

engineering

options

  1. 6.0 × 10^23C
  2. 9.2 × 10^-18C
  3. 2.4 × 10^4C
  4. 2.9 × 10^22C
  5. 3.1 × 10^6C
  6. 5.0 × 10^20C
  7. 7.5 × 10^21C
  8. 1.3 × 10^5C
  9. 4.6 × 10^-18C
  10. 8.1 × 10^22C

src

stemez-Electromagnetics

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Source and history

upstream_id / Original problem ID
11398
task_id
22ca537a-c2f1-58f4-9e5c-0921d976e705
task_key
default--test--11398
task_revision_id
1
config / split
default / test

Official source

initial import