The Simple Things
Allen reacts silver nitrate with sodium chloride. After a few minutes, solid particles start to form. Did a chemical reaction occur? If so, explain how you know!
Yes, because a solid formed.
When a hydrocarbon reacts with oxygen gas to create carbon dioxide and water.
Combustion
Stacy reacts solid lithium (Li) with dinitride gas (N2) to produce an aqueous solution of lithium nitride (Li3N). What is the correct chemical equation for this reaction? Include states of matter!! DO NOT NEED TO BALANCE!
Li (s) + N2 (g) --> Li3N (aq)
Na + Br2 ---> ________
What is the prodcut (correct formula)?
NaBr
Balance this equation.
Ba + I2 --> BaI
2 Ba + 1 I2 --> 2 BaI
List all 7 of the diatomics.
Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Bromine, and Iodine.
When two compounds react together to create two new compounds.
Sam wants to produce water vapor and gaseous carbon dioxide. To do this, he reacts methane (CH4) gas with dioxide gas (O2). Write the correct chemical equation for this reaction. Include the states of matter!! DO NOT NEED TO BALANCE!
CH4 (g) + O2 (g) --> CO2 (g) + H2O (g)
AlN --> ______ + ________
What are the prodcuts (correct formulas)
Al and N2
Balance this equation.
NiO + Mg3N2 --> MgO + Ni3N2
3 NiO + 1 Mg3N2 --> 3 MgO + 1 Ni3N2
What is an aqueous solution?
When a solid is dissolved in water.
When two elements react together to form a new compound.
Synthesis
Ben reacts solid calcium (Ca) and nitrogen gas (N2). Write the COMPLETE chemical equation for this reaction. (You have to predict the products!) Include the states, (your product is a solid)! DO NOT NEED TO BALANCE!
Ca (s) + N2 (g) --> Ca3N2 (s)
Li2O + Na3N --> ______ + _______
What are the products (correct formulas)?
Li3N and Na2O
Balance this equation.
Fe + H2O --> Fe2O3 + H2
2 Fe + 3 H2O --> 1 Fe2O3 + 3 H2
4 Na + 1 CO2 --> 2 Na2O + 1 C
What type of reaction is this?
Single Replacement.
When a single element reacts with a compound to produce a new element and a new compound.
Single Replacement
George reacts an aqueous solution of hydrogen bromide (HBr) with solid aluminum oxide (Al2O3). Write the complete chemical equation for this reaction. (You have to predict the products! One product is a solid and the other one is a liquid.) Include the states of matter in your equation. DO NOT NEED TO BALANCE!
HBr (aq) + Al2O3 (s) --> H2O (l) + AlBr3 (s)
AlN + Ca3P2 --> _______ + _______
What are the products (correct formulas)?
AlP and Ca3N2
Balance this equation.
KClO3 --> KCl + O2
2 KClO3 --> 2 KCl + 3 O2
We have to balance chemical equations to obey what law? What does that law state?
Law of conservation of mass/matter- matter/mass cannot be created or destroyed it can, however, change form.
When a compound breaks down into its smaller parts.
Decomposition
Sylvia creates solid potassium fluoride (KF) and dihydride gas (H2) in her lab experiment. Write a complete chemical equation for this reaction. (YOU NEED TO PREDICT THE REACTANTS HERE!) Include the states of matter (both reactants are aqueous solutions)! DO NOT NEED TO BALANCE!
HF (aq) + K (aq) --> KF (s) + H2 (g)
Al + Sr3P2 --> ______ + _______
What type of reaction is this?
What are the products (correct formulas)?
Single Replacement
Sr + AlP
Balance this equation.
____ C10H22O + ___O2 → ___CO2 + ___H2O
1 C10H22O + 15 O2 → 10 CO2 + 11 H2O