WorksheetsReactions Study Guide
Total questions: 20
Worksheet time: 48mins
NH3 + HCl → NH4Cl
What reaction has the following general formula:
AB --> A + B
Combination
Decomposition
Single Replacement
Double Replacement
Combustion
During a chemistry class experiment, Grace mixed hydrogen gas with chlorine gas. What product should she expect from this synthesis reaction: H2 + Cl2 → _________
HCl
H2Cl2
H2Cl
HCl2
Abigail is conducting a chemistry experiment and needs to predict the products for this Double Replacement reaction:
AgNO3 + KCl →
AgCl + KNO3
AgK + ClNO3
KAg + NO3Cl
AgCl + KNO
Charlotte is conducting an experiment to understand the decomposition of aluminum oxide, Al2O3 →
Al + O2
O + Al2
Al2 + O3
Al + O
Complete the products for the following reaction. AND balance with coefficients.
___C2H4 + ____O2 → _____________
C2O2 + H4
CO2 + H2 + O2
CO + H
CO2 + H2O
What is the charge of Iron in this compound. (Hint: use the anion and work backwards to find iron's charge):
Fe3(PO4)2
3+
2+
1+
6+
Hannah is conducting an experiment in her chemistry class. She wants to know what the product will be when rubidium and oxygen gas react in a synthesis reaction.
Write the product(s)
RbO2
Rb2O
RbO
Rb2O2
Mason is conducting an experiment in his chemistry class. He wants to predict the product of this synthesis reaction.
write the products AND balance the equation
__Al + __S₈ →__________
AlS
AlS8
Al2S
Al2S3
Emma is learning about different types of chemical reactions in her chemistry class. She observes the following reaction:
C4H10 + O2 −>
What type of reaction is this?
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
Lily and Avery are conducting a chemistry experiment in their school lab. They are asked to predict the products for the following Double Replacement reaction:
1 Pb(NO3)2 + 2KI → ______________________
1PbI + 1KNO3
1K2Pb + 1I2NO3
1 PbK + 1I2NO3
1 PbI2 + 2KNO3
2PbI2 + 1KNO3
The correct coefficients for the equation are
A. 2, 2, 3
B. 3, 2, 2
C. 2, 3, 2
D. 2, 1, 3
Which of the following best describes a precipitate?
solid powder that falls out of solution when a solid and liquid reactant combine
solid powder that falls out of solution when two aqueous reactants combine
solid powder that falls out of solution when aqueous and gaseous reactants combine
Predict the Products of the double-replacement (precipitate) reaction
MgCl2(aq) + NaOH(aq) →
MgCl2(aq) + NaOH(aq)
Mg(OH)2 (s) + NaCl (aq)
MgNa (s) + ClOH (aq)
Mg(OH)2 (aq) + NaCl (s)
Based on the activity series, will this reaction occur?
Au (s) + HCl (l) →
AuCl + H
No Reaction
AuCl + H2
Au2Cl + H2
Predict the product(s) of this reaction (don't worry about balancing):
Mg + HCl →
No Reaction
MgCl2 + H2
MgCl2 + H
MgCl + H2
Liam, Grace, and Michael are in a chemistry lab. They are given a task to balance the following equation:
__ Na + __ NaNO3 → __Na2O + __N2
They came up with different sets of coefficients. Can you tell which one is correct?
6, 1, 2, 5
10, 2, 6, 1
5, 3, 1, 2
20, 4, 12, 2
