Balancing Equations

Balancing Equations

Assessment

Flashcard

Chemistry

8th Grade

Hard

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22 questions

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1.

FLASHCARD QUESTION

Front

Number of H in 3(NH₄)₂CrO₄

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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