Question

1. In each of the following pictures, identify any evidence that a chemical reaction may be occurring and state your reason why: a. b. c. d. e. 2. (2 points) Balance the following chemical equations and classify the reactions as decomposition, combination, single-displacement, double-displacement, or combustion. a. $SnF_2 + Cr(ClO_3)_3 \rightarrow Sn(ClO_3)_2 + CrF_3$ b. $Al + S_8 \rightarrow Al_2S_3$ c. $C_6H_{12}O_6 \rightarrow CO_2 + H_2O$ d. $Cu + AgNO_3 \rightarrow Cu(NO_3)_2 + Ag$ e. $KClO_3 \rightarrow KCl + O_2$ 3. Write a balanced chemical equation for each chemical reaction: a. Solid mercury II oxide decomposes to produce liquid mercury metal and gaseous oxygen b. When heated, calcium sulfite decomposes to form calcium oxide and sulfur dioxide. c. Aqueous chromium (III) nitrate is mixed with iron (II) sulfate to form aqueous chromium (III) sulfate and aqueous iron (II) nitrate d. Aqueous manganese (II) chloride and aqueous ammonium carbonate to form solid manganese (II) carbonate and aqueous ammonium chloride 4. Determine if a chemical reaction occurs in the following. If a reaction occurs identify the solid a. Aqueous cobalt (III) bromide and aqueous potassium sulfide are mixed b. Aqueous beryllium iodide is mixed with aqueous silver sulfate c. Aqueous lead (II) chlorate is mixed with aqueous ammonium sulfate d. Aqueous potassium chloride is mixed with aqueous sodium nitrate

          1. In each of the following pictures, identify any evidence that a chemical reaction may be occurring and state
your reason why:
a.
b.
c.
d.
e.
2. (2 points) Balance the following chemical equations and classify the reactions as decomposition,
combination, single-displacement, double-displacement, or combustion.
a. $SnF_2 + Cr(ClO_3)_3 \rightarrow Sn(ClO_3)_2 + CrF_3$
b. $Al + S_8 \rightarrow Al_2S_3$
c. $C_6H_{12}O_6 \rightarrow CO_2 + H_2O$
d. $Cu + AgNO_3 \rightarrow Cu(NO_3)_2 + Ag$
e. $KClO_3 \rightarrow KCl + O_2$
3. Write a balanced chemical equation for each chemical reaction:
a. Solid mercury II oxide decomposes to produce liquid mercury metal and gaseous oxygen
b. When heated, calcium sulfite decomposes to form calcium oxide and sulfur dioxide.
c. Aqueous chromium (III) nitrate is mixed with iron (II) sulfate to form aqueous chromium (III) sulfate and
aqueous iron (II) nitrate
d. Aqueous manganese (II) chloride and aqueous ammonium carbonate to form solid manganese (II)
carbonate and aqueous ammonium chloride
4. Determine if a chemical reaction occurs in the following. If a reaction occurs identify the solid
a. Aqueous cobalt (III) bromide and aqueous potassium sulfide are mixed
b. Aqueous beryllium iodide is mixed with aqueous silver sulfate
c. Aqueous lead (II) chlorate is mixed with aqueous ammonium sulfate
d. Aqueous potassium chloride is mixed with aqueous sodium nitrate

1. In each of the following pictures, identify any evidence that a chemical reaction may be occurring and state
your reason why:
a.
b.
c.
d.
e.
2. (2 points) Balance the following chemical equations and classify the reactions as decomposition,
combination, single-displacement, double-displacement, or combustion.
a. SnF2 + Cr(ClO3)3 → Sn(ClO3)2 + CrF3
b. Al + S8 → Al2S3
c. C6H12O6 → CO2 + H2O
d. Cu + AgNO3 → Cu(NO3)2 + Ag
e. KClO3 → KCl + O2
3. Write a balanced chemical equation for each chemical reaction:
a. Solid mercury II oxide decomposes to produce liquid mercury metal and gaseous oxygen
b. When heated, calcium sulfite decomposes to form calcium oxide and sulfur dioxide.
c. Aqueous chromium (III) nitrate is mixed with iron (II) sulfate to form aqueous chromium (III) sulfate and
aqueous iron (II) nitrate
d. Aqueous manganese (II) chloride and aqueous ammonium carbonate to form solid manganese (II)
carbonate and aqueous ammonium chloride
4. Determine if a chemical reaction occurs in the following. If a reaction occurs identify the solid
a. Aqueous cobalt (III) bromide and aqueous potassium sulfide are mixed
b. Aqueous beryllium iodide is mixed with aqueous silver sulfate
c. Aqueous lead (II) chlorate is mixed with aqueous ammonium sulfate
d. Aqueous potassium chloride is mixed with aqueous sodium nitrate

Added by Mar-A J.

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