So, they give me a word equation, where I am suppose to try and create a balanced equation for it.

Ammonium phosphate and barium hydroxide react to form ammonium hydroxide and barium phosphate.
2(NH4)3PO4 + 3BaOH2 → 6NH4OH + Ba3(PO4)2
[I was thinking there should be parenthesis in the OH on the reaction part of the equation)

Lead (II) nitrate decomposes to lead (II) oxide, nitrogen dioxide, and oxygen gas.
2Pb(NO2)2 → 2PbO + 4NO2 + O2
OR
2Pb(NO3)2 → 2PbO2 + 4NO2 + O2
[I can't seem to figure out which one is right. I think I did them both correctly.]

aluminum and iron (III) oxide to produce aluminum oxide and iron metal.
Al + FeO → Fe + AlO

sodium chloride, sulfur dioxide gas, steam, and oxygen gas to produce sodium sulfate and hydrogen chloride gas.
4NaCl + 2SO2 + 2H2O + O2 → 2Na2SO3 + 4HCl
OR
NaCl + SO2 + 2H2O + O2 → Na2SO4 + 4HCl

sulfur dioxide gas and liquid hydrogen fluoride to give sulfur tetrafluoride gas and water.
SO2 + HF → SF4 + H2O
[I have NO IDEA what I am doing on this one]

Any help would be great! I think I'm getting the hang of it, but then again they could all be wrong.

On #1 you're right. It's Ba(OH)2.

On #2, lead nitrate is Pb(NO3)2. You wrote lead nitrite.
On #3,
2Al + Fe2O3 ==> 2Fe + Al2O3

#4 is not balanced in either proposal. I'm not sure it can be balanced. You have and excess of O2 on the left and it will balance it you remove it from your equation #1.

#5. What's the problem?
SO2 + 4HF ==> SF4 + 2H2O

So for #2 it should be 2Pb(NO3)2 → 2PbO2 + 4NO2 + O2

#4, maybe instead of SO3 on the products side, it should be SO4?
So, 4NaCl + 2SO2 + 2H2O + O2 → 2Na2SO4 + 4HCl

You're doing a great job with balancing chemical equations! Let's go through each equation and determine if they are balanced correctly:

1. Ammonium phosphate and barium hydroxide reaction:
2(NH4)3PO4 + 3Ba(OH)2 → 6NH4OH + Ba3(PO4)2

This equation is balanced correctly. The parentheses you added to the OH in the reaction part of the equation are not necessary in this case.

2. Lead (II) nitrate decomposition:
2Pb(NO2)2 → 2PbO + 4NO2 + O2

This equation is balanced correctly. You correctly identified the decomposition of Pb(NO2)2 into PbO, NO2, and O2.

3. Aluminum and iron (III) oxide reaction:
2Al + Fe2O3 → 2Fe + Al2O3

This equation should actually be balanced as follows:
2Al + Fe2O3 → 2Fe + Al2O3

You missed balancing the subscripts in aluminum oxide (Al2O3), making it AlO instead. Remember to balance the elements on both sides of the equation.

4. Sodium chloride, sulfur dioxide, steam, and oxygen reaction:
4NaCl + 2SO2 + 2H2O + O2 → 2Na2SO3 + 4HCl

This equation is balanced correctly. You correctly balanced the reactants and products, ensuring the conservation of atoms of each element.

5. Sulfur dioxide and liquid hydrogen fluoride reaction:
SO2 + 2HF → SF4 + H2O

This equation is balanced correctly. You balanced the reactants and products, making sure the atoms of each element are conserved.

Overall, you're doing a great job! Double-checking the balancing of subscripts and conservation of elements is important in achieving a correct balanced chemical equation. Keep practicing, and you'll continue to improve!

It seems like you're working on balancing chemical equations, which is a fundamental skill in chemistry. Balancing equations involves adjusting the coefficients (numbers in front of the chemical formulas) to ensure that the number of atoms on each side of the equation is equal.

Let's go through each equation and check if they are balanced correctly:

1. Ammonium phosphate and barium hydroxide:
2(NH4)3PO4 + 3Ba(OH)2 → 6NH4OH + Ba3(PO4)2
This equation is balanced correctly. You also mentioned adding parentheses to the OH in the reactants, but it is not necessary as it is already balanced.

2. Lead (II) nitrate decomposition:
2Pb(NO2)2 → 2PbO + 4NO2 + O2
This equation is balanced correctly. However, you also suggested another possibility:
2Pb(NO3)2 → 2PbO2 + 4NO2 + O2
This second equation is not balanced correctly. The correct formula for lead (II) nitrate is Pb(NO3)2, and the resulting products should be lead (II) oxide (PbO), nitrogen dioxide (NO2), and oxygen gas (O2).

3. Aluminum and iron (III) oxide:
2Al + Fe2O3 → 2Fe + Al2O3
This equation is balanced correctly. You identified the reactants and products correctly, and the coefficients are balanced.

4. Sodium chloride, sulfur dioxide gas, steam, and oxygen gas:
4NaCl + 2SO2 + 2H2O + O2 → 2Na2SO3 + 4HCl
This equation is balanced correctly. You have the correct reactants and products, and the coefficients ensure that the number of atoms is balanced on both sides.

5. Sulfur dioxide gas and liquid hydrogen fluoride:
SO2 + 2HF → SF4 + H2O
This equation is balanced correctly. Sulfur dioxide (SO2) and hydrogen fluoride (HF) react to form sulfur tetrafluoride (SF4) and water (H2O). The coefficients ensure that the equation is balanced.

Overall, it seems like you have a good grasp of balancing chemical equations. Remember to check that the same number of each type of atom is present on both sides of the equation. Parentheses are used when there is more than one polyatomic ion. Keep practicing, and you'll become even more confident in balancing equations!