
Bellringer
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Yareli Jasso Espinoza
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7 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
The limiting reactant can be best described as:
2.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
The excess reactant can be best described as:
3.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Identify which of the two reactants is the limiting reactant.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During an experiment Joe starts out with 14 grams of H2O. He calculates the theoretical yield of NaOH that will be produced is 4.6 grams. During the experiment, he actually produces 3.2 grams of NaOH. What is Joe’s percent yield for NaOH?
5.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
The combustion of methane (CH4) produces carbon dioxide and water. Assume that 3.0 mol of CH4 burned in the presence of excess air. What is the percentage yield if in an experiment the reaction produces 81.0 g of CO2? CH4 + 2 O2 --> CO2 + 2 H2O
6.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
How many moles of oxygen are needed to produce 10 moles of water according to the following equation? 4 NH3 + 5 O2 → 4 NO + 6 H2O
7.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
In photosynthesis, plants use energy from the sun to produce glucose and oxygen from the reaction of carbon dioxide and water. What is the theoretical yield of glucose produced when 3.00 moles of water reacts with carbon dioxide?(mass of glucose is 180.156g) 6 CO2 + 6 H2O → C6H12O6 + 6 O2
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