This is the Steps for all of these problems shown below these are Limiting Reagent Rxn Problems- Go through all of them and tell me the correct answers and follow these steps below. In order please.

1. Check if provided equation is balanced, & write the chemical equation and balance it showing all work & explaining each step taken and why.
2. Find the molar mass of needed reactants and products (Don’t round or use google values or you may have errors in your final answer)
3. Find theoretical yield in grams for each product using each provided amount of reactant
4. Determine what question is asking you to find and provide answer in correct format ONLY!
X=correct answer with sig figs unit = mols, grams, molecules, etc compound name solved for 58.5g of H2O
You will look for : limiting and excess reactant (by name or mass amount left over) theoretical yield and percent yield.

1. Balance the following equation show all steps. Cl2 + NaOH →NaCl + NaClO2 + H2O
B. What is the mol to mol ratio of sodium hydroxide to sodium chloride?
C. What is the name of NaClO2 and what are the two ions it forms with charges?

2. Hydrogen + oxygen reacts to yield water.
a. Writethebalancedchemicalequationshowingallwork.
b. Labelwhattypeofreaction(synthesis,decomposition,singlereplacement,double replacement or combustion).
c. How many grams of water are created if you started with 250.0 grams of hydrogen?
d. How many grams of water are created if you started with 250.0 grams of oxygen?
e. Identify the limiting reactant?

3.4NH3 +5O2 → 4NO +6H2O
a. Usingtheequationabove,whatisthelimitingreagentandtheoreticalyieldingramsofnitric
oxide when using 4.65g of ammonia to react with 4.25g of oxygen?
b. Howmanygramsofexcessreagentremain?
4. Silicon reacts with nitrogen to form silicon nitride (Si3N4). a. Write and show work for a balanced equation.
b. How many grams of silicon are needed to form 98.5 grams of silicon nitride?
c. Identify the limiting and excess reagents when there are 40.0g of silicon and 25.5g of nitrogen.
d. How many additional grams of nitrogen do we need to produce 98.5 grams of product?

5. Solid sulfur and oxygen gas react to form sulfur trioxide gas.
a. Write and show work for the balanced chemical equation with correct physical states.
b. If 150.2g of oxygen reacted with 105.0g of sulfur and the actual yield in the lab was 246.6g of sulfur trioxide. What is the theoretical yield in grams?
c. What is the percent yield of sulfur trioxide?

User Icon for Bot GPT 3.5 Bot GPT 3.5 answered
4 months ago

1.

a. Balanced equation: Cl2 + 2NaOH → NaCl + NaClO2 + H2O
b. The molar to molar ratio of sodium hydroxide to sodium chloride is 2:1.
c. The name of NaClO2 is Sodium Chlorite and it forms the ions Na+ and ClO2-.

2.
a. Balanced equation: 2H2 + O2 → 2H2O
b. Type of reaction: Synthesis
c. Theoretical yield of water from 250.0 grams of hydrogen is 111.11 grams.
d. Theoretical yield of water from 250.0 grams of oxygen is 250.0 grams.
e. The limiting reactant is oxygen.

3.
a. The limiting reagent is ammonia and the theoretical yield of nitric oxide is 6.08 grams.
b. Excess reagent remaining is 0.54 grams.
c. Balanced equation: 3Si + 4N2 → 2Si3N4
d. The additional grams of nitrogen needed to produce 98.5 grams of product is 33.3 grams.

4.
a. Balanced equation: S8 + 8O2 → 8SO3
b. The theoretical yield of sulfur trioxide is 164.4 grams.
c. The percent yield of sulfur trioxide is 150.0%.