CHEM 1411 FINAL EXAM REVIEW
When rounding the number 2.348615 to 5 significant digits, what is the correct value? -
Answers - 2.3486
What is the standard SI unit for mass? - Answers - Kilogram
How many milliliters are in 17.5 L? - Answers - 17.5L(1000)=17500
What is the correct atomic symbol for mercury? - Answers - Hg
Which of the following is not part of Dalton's Atomic Theory? - Answers - Most of the
atom's mass and all of its positive charge is contained in a small core called the nucleus
What were the results of Rutherford's gold foil experiment? - Answers - Most all of the
Alpha particles passed directly through the foil.
What are Isotopes? - Answers - atoms of the same elements that have different
number of neutrons.
Unit used to measure atomic mass? - Answers - Atomic Mass Unit (amu)
Metalloids are located where on the periodic table? - Answers - zig-zag diagonal line
Where on the periodic table are Halogens located? - Answers - group 17, starting with
F
Noble gases are located where on the periodic table? - Answers - Group 18, starting
with Helium
What is the limiting reactant for the following reaction given we have 2.6 moles of HCl
and 1.4 moles of Ca(OH)2? - Answers - HCl
In the following reaction: NH4+(aq)+H2O9aq)=NH3(aq)+H3O+(aq) - Answers - H2O is
a base and H3O+ is its conjugate acid
The oxidation state of Cr in Cr2O7^2- is - Answers - +6
Group 1 metals oxidation number - Answers - +1
Group 2 metals oxidation number - Answers - +2
Oxygen oxidation number - Answers - -2
Flourine oxidation number - Answers - -1
, What is the empitical formula for the molecular compound C6H9O4? - Answers -
C6H9O4
Oxidation - Answers - involves an INCREASE in oxidation state
Reduction - Answers - involves a DECREASE in oxidation state
Combustion reaction - Answers - oxygen combines with another compound and
produces water and carbon dioxide
Synthesis reaction - Answers - two or more simple compounds react to form a
complicated one
A + B ---> AB
Decomposition reaction - Answers - A complicated molecule breaks down to form
simple compounds.
AB ---> A + B
Single displacement reaction - Answers - ONE element trades places with another
A + BC ---> AC + B
Double displacement reaction - Answers - Two cations and anions switch places to
form 2 entirely different compounds
AB + CD ---> AD + CB
Properties of Bases - Answers - Feel slippery, Taste bitter,Turn litmus paper blue
Properties of Acids - Answers - Taste Sour, turn litmus paper red, dissolve metals
The bronsted-lowry definition of a base is - Answers - A proton acceptor
What are the products of a neutralization reaction? - Answers - Water and SALT
The bronsted-lowry definition of an acid is? - Answers - A proton DONOR
Strong acids - Answers - Hydrocloric acid, sulfuric acid, nitric acid
Strong bases - Answers - Lithium hydroxide, sodium hydroxide, potassium hydroxide,
ammonia
What is the name of HNO2? - Answers - Nitrous acid
Where are Alkiline Earth Metals located? - Answers - Group 2, starting with Beryllium
Where are Alkali metals located? - Answers - Group 1, Starting with Lithium
When rounding the number 2.348615 to 5 significant digits, what is the correct value? -
Answers - 2.3486
What is the standard SI unit for mass? - Answers - Kilogram
How many milliliters are in 17.5 L? - Answers - 17.5L(1000)=17500
What is the correct atomic symbol for mercury? - Answers - Hg
Which of the following is not part of Dalton's Atomic Theory? - Answers - Most of the
atom's mass and all of its positive charge is contained in a small core called the nucleus
What were the results of Rutherford's gold foil experiment? - Answers - Most all of the
Alpha particles passed directly through the foil.
What are Isotopes? - Answers - atoms of the same elements that have different
number of neutrons.
Unit used to measure atomic mass? - Answers - Atomic Mass Unit (amu)
Metalloids are located where on the periodic table? - Answers - zig-zag diagonal line
Where on the periodic table are Halogens located? - Answers - group 17, starting with
F
Noble gases are located where on the periodic table? - Answers - Group 18, starting
with Helium
What is the limiting reactant for the following reaction given we have 2.6 moles of HCl
and 1.4 moles of Ca(OH)2? - Answers - HCl
In the following reaction: NH4+(aq)+H2O9aq)=NH3(aq)+H3O+(aq) - Answers - H2O is
a base and H3O+ is its conjugate acid
The oxidation state of Cr in Cr2O7^2- is - Answers - +6
Group 1 metals oxidation number - Answers - +1
Group 2 metals oxidation number - Answers - +2
Oxygen oxidation number - Answers - -2
Flourine oxidation number - Answers - -1
, What is the empitical formula for the molecular compound C6H9O4? - Answers -
C6H9O4
Oxidation - Answers - involves an INCREASE in oxidation state
Reduction - Answers - involves a DECREASE in oxidation state
Combustion reaction - Answers - oxygen combines with another compound and
produces water and carbon dioxide
Synthesis reaction - Answers - two or more simple compounds react to form a
complicated one
A + B ---> AB
Decomposition reaction - Answers - A complicated molecule breaks down to form
simple compounds.
AB ---> A + B
Single displacement reaction - Answers - ONE element trades places with another
A + BC ---> AC + B
Double displacement reaction - Answers - Two cations and anions switch places to
form 2 entirely different compounds
AB + CD ---> AD + CB
Properties of Bases - Answers - Feel slippery, Taste bitter,Turn litmus paper blue
Properties of Acids - Answers - Taste Sour, turn litmus paper red, dissolve metals
The bronsted-lowry definition of a base is - Answers - A proton acceptor
What are the products of a neutralization reaction? - Answers - Water and SALT
The bronsted-lowry definition of an acid is? - Answers - A proton DONOR
Strong acids - Answers - Hydrocloric acid, sulfuric acid, nitric acid
Strong bases - Answers - Lithium hydroxide, sodium hydroxide, potassium hydroxide,
ammonia
What is the name of HNO2? - Answers - Nitrous acid
Where are Alkiline Earth Metals located? - Answers - Group 2, starting with Beryllium
Where are Alkali metals located? - Answers - Group 1, Starting with Lithium
