30. Calculate the sum of ALL coefficients in the balanced overall equation below that took place in an acidic medium: Fe²+ + Cr₂O7²- + H+ → Fe³+ + Cr³+ + H₂O A. 6 B. 22 C. 32 D. 36 A. State whether the following statements are TRUE or FALSE. 31. Hydrocarbons are composed of entirely of carbon and hydrogen atoms bonded to each other by covalent bonds. 32. The general formula of alkenes is C₂H2n-2-

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30. Calculate the sum of ALL coefficients in the balanced overall equation below that took
place in an acidic medium:
Fe²+ + Cr₂O72- + H+ →Fe³+ + Cr³+ + H₂O
A. 6
B. 22
⠀⠀
C. 32
D. 36
A.
State whether the following statements are TRUE or FALSE.
31. Hydrocarbons are composed of entirely of carbon and hydrogen atoms bonded to
each other by covalent bonds.
32. The general formula of alkenes is CnH2n-2.
Transcribed Image Text:30. Calculate the sum of ALL coefficients in the balanced overall equation below that took place in an acidic medium: Fe²+ + Cr₂O72- + H+ →Fe³+ + Cr³+ + H₂O A. 6 B. 22 ⠀⠀ C. 32 D. 36 A. State whether the following statements are TRUE or FALSE. 31. Hydrocarbons are composed of entirely of carbon and hydrogen atoms bonded to each other by covalent bonds. 32. The general formula of alkenes is CnH2n-2.
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