Asap , i'll give what coefficients would balance the following equation? __al + __o2 → __al2o3 a. 2al + 3o2 → 1al2o3 b. 2al + 3o2 → 2al2o3 c. 3al + 3o2 → 2al2o3 d. 4al + 3o2 → 2al2o3 what coefficients would balance the following equation? __c2h6 + __o2 → __co2 + __h2o a. 1c2h6 + 5o2 → 2co2 + 3h2o b. 2c2h6 + 5o2 → 4co2 + 6h2o c. 2c2h6 + 7o2 → 4co2 + 6h2o d. 2c2h6 + 10o2 → 4co2 + 6h2o classify the chemical reaction shown here: mg + h2so4 → mgso4 + h2 a. combination b. single replacement c. decomposition d. double replacement classify the chemical reaction shown here: caco3 → cao + co2 a. combination b. single replacement c. decomposition d. double replacement which of the following is an example of a double replacement reaction? a. 3fe + 2o2 → fe3o4 b. bacl2 + k2co3 → baco3 + 2kcl c. nico3 → nio + co2 d. cl2 + 2nabr → 2nacl + br2