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MMLU-Pro / 4059 / A red signal flare for use on railroads is made by mixing strontium nitrate,…

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question

A red signal flare for use on railroads is made by mixing strontium nitrate, carbon, and sulfur in the proportions as shown by the equation 2Sr (NO_3)_2 + 3C + 2S \ding{217} Complete and balance the equation (no atmospheric oxygen is necessary).

category

chemistry

options

  1. 2SrO + 2N_2 + 4CO_2 + 2SO_2
  2. 2SrO + 3N_2 + 3CO_2 + S_2
  3. SrO + 2N_2 + 3CO_2 + SO_2
  4. 2SrO + N_2 + 3CO_2 + 2SO_2
  5. SrO + N_2 + 3CO + 2SO_2
  6. SrO + 2N_2 + 3CO_2 + 2SO_2
  7. 2SrO + 2N_2 + 3CO + 3SO_2
  8. 2SrO + 2N_2 + 2CO_2 + 2SO_2
  9. 2SrO + 2N_2 + 3CO_2 + 2SO_2
  10. 2Sr + 2N_2 + 3CO_2 + 2SO_2

src

stemez-Chemistry

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