# chemistry 101

posted by .

What is the coefficient for aluminum after the following equation is balanced: Al(s) + O2(g) --> Al2O3(s)

options:
2
4
1
3
0

• chemistry 101 -

What is your problem in balancing this equation? It looks simple enough to me. It's a simple trial and error (ALTHOUGH it can be done by redox methods).

## Respond to this Question

 First Name School Subject Your Answer

## Similar Questions

1. ### chemistry

Does this equation need to be balanced? AlCO3 => AlO+CO2 Also, how would this equation be balanced?
2. ### Science - Chemistry

Aluminum oxide is formed from the reaction of metallic aluminum with oxygen gas. How many moles of Aluminum are needed to form 3.4 moles of Aluminum oxide?
3. ### Chemistry 101

Aluminum reacts with sulfur gas to form aluminum sulfide. Initially 1.18 ml of aluminum and 2.25mol of sulfur are combined. 1. write a balanced equation?
4. ### chemistry

the reaction of aluminum metal (Al) with oxygen (O2) forms Al2O3. What is a balanced equation for this redox reaction. What are two half reactions to show how many electrons are gained or lost by each species?
5. ### Chemistry

Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. Balance the equation: Al2O3(s) + NaOH(l) + HF(g) -> Na3AlF6 + H2O(g) If 14.0 kilograms of Al2O3(s), 57.4 kilograms of NaOh(l), …
6. ### chemistry

Aluminum and oxygen react to form aluminum oxide. 4 Al + 3 O2 2 Al2O3 a. What is the limiting reactant if 36.4 g Al are reacted with 36.4 g of O2?
7. ### chemistry

When the following redox equation is balanced with smallest whole number coefficients, the coefficient for the hydrogen sulfate (HSO4-) ion will be ______ . Al + HSO4- + OH- --> Al2O3 + S2- + H2O (basic solution)
8. ### Chemistry

Anhydrous aluminum oxide can be reduced to aluminum according to thisa chemical equation: 2 Al2O3 (s) ---> 4 Al (l) + 3 O2 (g) Calculate the mass of aluminum oxide reacted if 82 g of Al was produced and the percent yield was found …
9. ### Chemistry

Aluminum and oxygen react to form aluminum oxide. 4 Al + 3 O2 2 Al2O3 a. What is the limiting reactant if 30.7 g Al are reacted with 38.3 g of O2?
10. ### chemistry

When the equation: Al(s) + HSO4-(aq) + OH-(aq) → Al2O3(s) + S2-(aq) + H2O(l) is balanced with smallest whole number coefficients, the coefficient for the hydrogen sulfate ion will be ______.

More Similar Questions