Forensic/ Double- Replacement
Word Equations
Balanced Equations
100

end products of a reaction

What is product?

100
When you see the word "to create" or "to produce" in a word equation. What symbol does that represent? A. + B. ---> C. - (subtracting)
What is B?
100
"Matter can't be created nor destroyed, just changed" This describes the.. __ of __ of ___
What is Law of Conservation of Mass
200

Chemical reaction results in a change in _______ and_______ properties of a substance

What is Physical and Chemical?

200
When you see the word "combines with" or "reacts with" in a word equation. What symbol does that represent? A. ---> B. = C. +
What is C?
200

When balancing equations, its smart to label how much of each element is present. True or False

What is True?

300

a reaction that involves an exchange of positive ions  between two reacting compounds

What is Double-Replacement Reaction?

300
Hydrogen gas combines with Oxygen gas to form Water. Write the chemical equation on the board.
What is H2+O2--->H2O
300
___ and __ are important when balancing equations because they tell us how many of each element is present. A. subscripts B.coefficients C. both A and B
What is C?
400

True or False: In order for a double replacement reaction to take place, both of the reactants must be ionic

What is True?

400
Cu+ S---> CuS. Write down the word equation on the board.
What is Copper reacts with Sulphur to form Copper Sulfide?
400
Give a brief description as to why you think its important to balance equations?
What is.......
500
True or False. AB + XY ---> AX + BY
What is False?
500
Sodium reacts with Chlorine to produce Sodium Chloride. Write down the chemical equation on the board.
What is Na + Cl2 --> 2NaCl?
500
Balance this! C+S8---> CS2
What is C+S8---> 4CS2
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