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122333444469
122333444469
10.12.2020 • 
Chemistry

WILL GIVE BRAINLIEST FOR CORRECT ANSWER (5 Points) If you put a piece of zinc into a solution of copper (I) sulfate and allow the single replacement reaction to go to completion, how will you know which of the reactants is the limiting reactant? Write the balanced equation, including the states of matter of the reactants and products, to help support your answer.

CuSO4(___) + Zn (__) → Cu(__) + ZnSO4 (___)

Is it balanced? If not, fix it.

(5 Points) What is the difference in actual yield and theoretical yield?

Solid Silicon can be reacted with Nitrogen gas at a high temperature to form silicon nitride (Si3N4).
1.20 moles of Silicon are added to 1.00 moles of Nitrogen gas.
(5 Points) Balance the equation and indicate the phases.

Si (___) + N2 (___) → Si3N4 (___)

(5 Points) What is the limiting reactant? You must show your work.

(5 Points) How many moles of silicon nitride will be made? You must show your work.

(5 Points) What is the benefit of having a limiting reactant in a reaction?

(5 Points) In a manufacturing process why would you prefer not to have a limiting reactant?

(5 Points) Can you tell from the masses of the reactants which one of the reactants will be the limiting reactant? Defend your answer (use an equation within your defense).

4.95 g of ethylene (C2H4) are combusted with 3.25 g of oxygen.
(5 Points) Balance the equation. (ethylene plus oxygen yields carbon dioxide and water)
C2H4 + O2 → CO2 + H2O

(5 Points) What is the limiting reactant? You must show your work.

(5 Points) If the actual yield of Carbon dioxide is 2.50 g, what is the percent yield for the reaction? You must show your work.

Silver nitrate reacts with iron (III) chloride to give silver chloride and ferric nitrate. In a particular experiment, it was planned to mix a solution containing 25.0 g of silver nitrate with another solution containing 45.0 grams of iron (III) chloride.
(5 Points) Balance the equation.
AgNO3 + FeCl3 → AgCl + Fe(NO3)3

(5 Points) What is the limiting reactant? You must show your work.

(5 Points) What is the theoretical yield of grams of AgCl that could be obtained? You must show your work.

(10 Points) When 56.6 g of solid calcium and 30.5 g of nitrogen gas undergo a reaction that has a 93.0% yield, what mass of calcium nitride forms? Make sure you balance the equation to help solve the question and show all of your work.
Ca(s) + N2 (g) → Ca3N2 (s)

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