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Daniel [21]
3 years ago
12

Lee and some other students working with Dr. Yung were conducting an experiment and ended up with some confusing results. In the

experiment, each student combined sodium and hydrogen chloride, but, as shown in the table below, each student ended up with different results. Lee is trying to determine what happened.
In a few minutes, you will see a video of what happened when Lee combined two substances. Before you watch the video, see if you can predict why each student ended up with different results.

Student's name Starting substances Ending substances
Lee sodium and hydrogen chloride hydrogen and sodium chloride
Vera sodium and hydrogen chloride hydrogen, sodium chloride, and sodium
Domingo sodium and hydrogen chloride hydrogen, sodium chloride, and hydrogen chloride


Why do you think Vera and Domingo ended up with three substances after the chemical reaction while Lee only ended up with two?
Chemistry
2 answers:
Alinara [238K]3 years ago
6 0

Answer:

chung long

Explanation:

cause 3 plus 2 =9

mojhsa [17]3 years ago
3 0
Rock lee is raw in naruto
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They expressed it as rate of change in concentration of reactants or products in a chemical reaction

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The United States has about which percentage of the world's coal reserves?
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How many moles of carbon dioxide gas should be produced when 10.0 g of C2H6 are combusted at STP?
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Explanation:

                     The balance chemical equation for the combustion of Ethane is as follow:

                            2 C₂H₆ + 7 O₂ → 4 CO₂ + 6 H₂O

Step 1: <u>Calculate moles of C₂H₆ as;</u>

                              Moles  =  Mass  /  M.Mass

Putting values,

                              Moles  =  10.0 g / 30.07 g/mol

                              Moles  =  0.3325 moles

Step 2: <u>Calculate Moles of CO₂ as;</u>

According to balance chemical equation,

                    2 moles of C₂H₆ produced  =  4 moles of CO₂

So,

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Solving for X,

                      X  =  0.3325 mol × 4 mol ÷ 2 mol

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Find the number of moles of water that can be formed if you have 138 mol of hydrogen gas and 64 mol of oxygen gas.
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128 mol H₂O
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