Balancing Equations

Question 1

T/F: We do not need to balance chemical equations bc atoms are not conserve in a chemical reaction

Answer 1

False, we need to balance equations because atoms are conserved in a chemical reaction

Question 2

Balance the equation

C₂H₅OH + O₂ -> CO₂ + H₂O

Answer 2

1, 3, 2, 3

Question 3

K + H₂O -> H₂ + KOH

Answer 3

2, 2, 1, 2

Question 4

Ba(OH)₂ + HNO₃ -> Ba(NO₃)₂ + H₂O

Answer 4

1, 2, 1, 2