Chemistry 11.1

Multiple Choice

What coefficients balance the following equation?

AgNO_³(aq) + Cu(s) → Cu(NO₃)₂(aq) + Ag(s)

• 2, _, _, 2

• _, 2, _, 2

• _, 2, 2, _

• _,_,2, 2,

Multiple Choice

Is this equation balanced?

Al(s) + O₂(s) → Al₂O₃(s)

• Yes

• No

Multiple Choice

Is this equation balanced PROPERLY?

2C₃H₈(g) + 10O₂(g) → 6CO₂(g) + 8H₂O(l)

• Yes

• No