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Exam (elaborations)

Exam (elaborations) Chemistry (KEMORG1)

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  • Course
  • Chemistry (KEMORG1)
  • Institution
  • Cavite State Univerity Main Indang

PROVIDES WORKSHEET/ ACTIVITY FOR CHEMISTRY STUDENTS. HELPS YOUR GRADES GET HIGHER SINCE IT REALLY HELPS TO ME. ALL ABOUT ORGANIC CHEMISTRY, FOCUS MORE ON STOICHIOMETRY: SOLVING MOLES, GRAMS, PERCENT YIELD, PERCENT OF THEORETICAL YIELD AND MORE!!!!

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Document information

  • July 31, 2022
  • 5
  • 2021/2022
  • Exam (elaborations)
  • Questions & answers

Subjects

  • chemistry
  • chem
  • stoichiometry
  • finding chemical reaction
  • chemical reaction
  • reaction
  • balancing equation
  • how to find moles
  • moles
  • how to find gr
  • stoichiometry problem solving
  • how to find moles in chemistry

Written for

  • Cavite State Univerity Main Indang
  • Chemistry (KEMORG1)
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CHEMISTRY I Philippines INHS
Homework: Stoichiometry 0.2


Part I: Problem Solving
Directions: Solve the following questions. Present your solutions in a neat and organized manner. Unclear
solutions may be subjected to point deductions. Box your final answer. Your work will be graded based on
the grading rubric provided at the end of the paper.
1. Consider the reaction represented by the balanced equation: (5 pts GR1 & 5 pts GR2)
4 𝑁𝐻3 + 5 𝑂2 → 4 𝑁𝑂 + 6 𝐻2 𝑂
a) How many moles of NO would be formed if the necessary amount of oxygen were to react exactly
and completely with 1.00 kg of ammonia?




2. From the balanced equation: (5 pts GR1 & 10 pts GR2)

2 𝐻2 𝑆 + 3 𝑂2 → 2 𝑆𝑂2 + 2 𝐻2 𝑂
a) How many moles of O2 are necessary to react with 0.75 mole of H2S?
b) How many moles each of SO2 and H2O will be produced in part (a)?
c) How many grams of oxygen are required in (a)?
d)
e) What weight of SO2 will be produced if 68g of H2S are used?




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