Number of H in 3(NH₄)₂CrO₄
Balancing Equations

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•
Chemistry
•
8th Grade
•
Hard
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22 questions
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1.
FLASHCARD QUESTION
Front
Back
24
2.
FLASHCARD QUESTION
Front
Balance this equation:
P4+O2 --> P2O3
Back
P4+ 3 O2 --> 2 P2O3
3.
FLASHCARD QUESTION
Front
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
Back
the mass is the same
4.
FLASHCARD QUESTION
Front
Balance this equation: Al2O3 --> Al + O2
Back
2Al2O3 --> 4Al+3O2
5.
FLASHCARD QUESTION
Front
Fill in the blanks with coefficient: PCl5+_ H2O→_ HCl+H3PO4
Back
4, 5
6.
FLASHCARD QUESTION
Front
PCl5 + ___ H2O → ___ HCl + H3PO4
Back
4, 5
7.
FLASHCARD QUESTION
Front
Balance the equation: __ Al + __ FeO → Al2O2 + __ Fe
Back
2, 2, 2
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