Each question has a blank Tally Table. It is optional. However, the test will not submit unless you put something on the drawing. A dot or scribble will do.
Each question has a blank Tally Table. It is optional. However, the test will not submit unless you put something on the drawing. A dot or scribble will do.
2 SO2 + O2 → 2 SO3
This equation is .
(NH4)2 + CO3 → 2 NH3 + 2 H2O + CO2
This equation is .
C3H6O + 4 O2 → 5 CO2 + 3 H2O
This equation is .
Pb(NO3)2 + 2 NaBr → PbBr2 + 2 NaNO3
This equation is .
2 H2SO4 + 2 BaCl2 → 3 BaSO4 + 4 HCl
This equation is .
Select the chemical equation that is balanced.
Select the chemical equation that is balanced.
Al + N2 → AlN
Hf + N2 → Hf3N4
PbO2 → PbO + O2
CdBr2 + Na2S → NaBr + CdS