What is the initial chemical equation discussed in the video?

Balancing Chemical Reactions and Products

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Chemistry, Science
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8th - 10th Grade
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Medium

Emma Peterson
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na + H2O yields NaOH + H2
Na + O2 yields Na2O
H2 + O2 yields H2O
NaOH + H2 yields Na + H2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are initially present on the reactants side?
One
Three
Four
Two
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step suggested to balance the equation?
Add a coefficient of 2 in front of NaOH
Add a coefficient of 2 in front of Na
Add a coefficient of 3 in front of H2O
Add a coefficient of 3 in front of NaOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After adjusting the coefficients, how many total hydrogen atoms are there?
Five
Three
Four
Two
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step to balance the oxygen atoms?
Add a coefficient of 3 in front of H2O
Add a coefficient of 3 in front of NaOH
Add a coefficient of 2 in front of Na
Add a coefficient of 2 in front of H2O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the trick mentioned for balancing equations with odd numbers?
Remove products
Add more reactants
Convert odd numbers to even numbers
Use a catalyst
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when hydrogen gas is ignited in the reaction?
It becomes sodium
It turns into oxygen
It creates a spark
It forms water
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