What are the reactants in the chemical equation discussed in the video?

Balancing Chemical Equations Concepts

Interactive Video
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Chemistry
•
9th - 10th Grade
•
Hard

Lucas Foster
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zinc and sulfuric acid
Zinc chloride and hydrogen sulfide
Zinc sulfide and hydrochloric acid
Hydrogen and chlorine
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are present on the product side before balancing?
Four
Three
Two
One
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main issue identified with the initial chemical equation?
Excess of hydrochloric acid
Imbalance of hydrogen and chlorine atoms
Too few sulfur atoms
Too many zinc atoms
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is added in front of HCl to balance the equation?
One
Four
Two
Three
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the balanced chemical equation for the reaction?
ZnS + H2 → Zn + H2S
ZnS + HCl → ZnCl + H2S
Zn + HCl → ZnCl2 + H2
ZnS + 2HCl → ZnCl2 + H2S
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