SICI4 (1) Unbalanced equation 1. Given the following reaction: Si (s) + CI 2(g) 35g 56g ?g oto When 56g of silicon are combined with 35g of chlorine gas in a reaction vessel: a. What is the limiting reactant? b. How many moles of the excess reactant are left?

SICI4 (1) Unbalanced equation 1. Given the following reaction: Si (s) + CI 2(g) 35g 56g ?g oto When 56g of silicon are combined with 35g of chlorine gas in a reaction vessel: a. What is the limiting reactant? b. How many moles of the excess reactant are left?

Chemistry for Engineering Students

3rd Edition

ISBN:9781285199023

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter4: Stoichiometry

Section: Chapter Questions

Problem 4.77PAE: The pictures below show a molecular-scale view of a chemical reaction between H2 and CO to produce...

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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

Activity 2 Determining Limiting Reactants and Percent Yield
Instruction: Show your complete solutions legibly in a one (1) whole sheet of paper and
answer the questions given below. (Total Score:20 points each)
Unbalanced equation
*1. Given the following reaction: Si (s) + CI 2(g)
35g
SICI4 (1)
?g
56g
When 56g of silicon are combined with 35g of chlorine gas in a reaction vessel:
a. What is the limiting reactant?
b. How many moles of the excess reactant are left?
* 2. Take the reaction: NH3 + 02 > NO + H20. In an experiment, 3.25g of NH3 are alowed to
react with 3.50 g of 02.
a. Which reactant is limiting reagent?
b. How many grams of NO are formed?
c. How much of the excess reactant remains after the reaction?

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