Chemical Reactions
In a chemical reaction the substances to the right of the arrow are called this/these?
What is/are products?
What are the five types of reactions?
Synthesis, Decomposition, Combustion, Single Replacement, Double Replacement
what does a catalyst do
increase the rate of ration by causing more collisions between reactants
When balancing an equation, these numbers can be changed.
What is a coefficents?
This type of reaction has one compound breaks down and forms two or more substances
What is a decomposition reaction?
Identify and balance the following equation:
P4 + O2 → P4O6
What is a synthesis reaction?
P4 + 3O2 → P4O6
Identify and write the balance chemical equation for the following reaction below.
When tricarbon heptahydride reacts with oxygen, it produces carbon dioxide and water
What is a combustion reaction?
4 C3H7 + 19 O2 → 12 CO2 + 14 H2O
water → hydrogen + oxygen
... is an example of this type of reaction.
What is an example of a decomposition reaction?
In the formula 5CaSO4, this is the number of oxygen atoms.
What is 20?
Identify and balance the following equation: Al2O3 → Al + O2
What is decompostion?
2Al2O3 → 4Al + 3O2
In a chemical reaction the substances to the left of the arrow are called this/these?
What is is/are products?
A molecule consisting of two atoms. Ex: O2 or H2
What is diatomic?
This type of reaction occurs when an element displaces another element in a compound, producing a new compound and a new element.
What is a single replacement reaction?
A hydrocarbon will combine with oxygen and in the process, give off energy in the form of light and heat to produce carbon dioxide and water.
What is combustion?
this type of reaction releases energy and has a __________ (+/-) delta H
exothermic
energy is absorbed in this type of reaction and has a _______(+/-) Delta H
Endothermic
In a combustion reaction, what is always produced?
What are CO2 and H2O?
State the Law of Conservation of Mass.
What is that matter can not be created nor destroyed, just rearranged
An expression in which symbols and formulas are used to represent a chemical reaction.
A chemical equation
When balancing an equation, these numbers can not be changed.
What is a subscript?
The number of oxygen atoms: 4 Al2(CO3)3
What is 36 oxygen atoms
for this reaction if I start with 4 mol of NaOH how much H2 will I end up the
Si + 4 NaOH 1 --> Na4SiO4 + 2 H2
2 mol H2
The reaction 2HgO → 2Hg + O is an example of this type of reaction.
What is decomposition?
For this reaction I start with 3 mol copper how much water do I produce?
3 Cu + 8 HNO3 3 --> Cu(NO3)2 + 2 NO + 4 H2O
4 mol water
What are your 7 diatomic molecules.
What are: N2, O2,F2,Cl2,Br2, I2, H2?
Energetically Favorable
What is the answer to all of chemistry?
Identify and balance the equation:
When aluminum chloride decomposes into aluminum and chlorine.
2AlCl3 → 2Al + 3Cl2
Identify and balance the following equation:
When sodium reacts with hydrogen monochloride, it yields hydrogen and sodium chloride.
What is single replacement?
2Na + 2HCl → H2 + 2NaCl
Identify and balance the reaction:
When when sulfur reacts with chlorine, it yields hexasulfur decachloride
What is a synthesis reaction?
6 S + 5 Cl2 → S6Cl10
Identify and balance the following chemical equation:
When tricarbon octahydride reacts with oxygen, it yields carbon dioxide and water
What is a combustion reaction?
C3H8 + 5O2 → 3CO2 + 4H2O
Identify and balance the following reaction:
When strontium nitride reacts with aluminum chloride, it yields strontium chloride and aluminum nitride.
What is a double replacement reaction?
Sr3N2 + 2 AlCl3 → 3 SrCl2 + 2AlN