Atom: the smallest unit of an element that maintains the chemical identity of that
Mass: a measure of the amount of matter.
Element: a pure substance that cannot be broken down into simpler, stable substance and
is made of one type of atom.
LAB - Chemical Kinetics 30 points
The Iodine Clock
The rate of a chemical reaction is the time required for a given quantity of reactants to be
changed into products. Reaction rates are often expressed in moles per un
Mystical Potassium Nitrate
In this lab, we used a Bunsen burner, a ring stand with a ring and a wire
mesh, a large beaker, a graduated cylinder, a test tube and a thermometer to
determine the solubility of potassium nitrate in water. First, we he
In this lab, you will use titration to determine the concentration (M) of two unknown acid
solutions. You will be dripping the acid into a sodium hydroxide solution of known
concentration. You will
Chapter 16 Thermochemistry: Study of heat in processes/reactions
Question: How much heat is needed to boil 100.0g of H2O if its already at 100 degrees
H = (Hvap) (mass) = 2260 j/g x 100.0g = 226000j
Question: How much heat is needed to increase
Chapter 14-15 Acids+Bases
6 Strong Acids
An acid: -A compound that increases the concentration of H+ in a solution.
Honors Chemistry - Chapter 16 Review
Thermochemistry-study of energy changes that occur in chemical reactions.
Temperature is a measure of the average KE of the particles in a sample of matter .
Heat is a form of energy that flows between matter s, from m
Chapter 12-13 Review
Types of mixtures :
Solutiona homogeneous mixture of 2 or more substances that can be separated by
physical means. Contains very small particles that cannot be separated by filtration and
do not se
Chapter 12, Problem Sheet 3
What determines whether a substance is an electrolyte or a nonelectrolyte?
A substance that dissolves in water to give a solution that conducts electric current is an
Chapter 16, Problem Sheet #1
Part I: Concepts
1. Define the following, in your own words:
a. Enthalpy : the form of stored energy in a substance.
b. Heat: the total amount of kinetic energy.
c. Specific heat : the
KineticsRates and Mechanism of reaction
- The step-by-step process by which reactions occur (MECHANISM)
- How fast reactions go (RATE) r = amount of products / T
2H2(g) + O2(g) 2H2O(l) + energy
-2H2 breaks apart, O2 break apart, recombination to form H2O
Iodine Shows the Kinetics in Chemistry
During this lab, we observed the mixing process of the two solutions (IO3solution and HSO3- solution) with different concentrations and under different
temperature, and we also recorded the amount of time be
An Easy Way to Make Your DIY Ice-cream
In this lab, we learnt how to make our own vanilla ice-cream by milk, sugar and
vanilla extract. First, we filled and mixed 3 ounces of half and half milk, 2 teaspoons
sugar and a quarter teaspoon vanilla ex
How to separate the mixture of sand, sugar and iron?
(Block C Chemistry 1 Group C: Angus Wong, Bachir Benkirane)
(Picture by Angus Wong)
There are many mixtures that are hardly divided by only using human hands, for example salt,
iron and sa
The Separations among Iron, Sand and Salt
Through the lab, we separated a cup of mixture containing sand, salt and iron
filings and recorded the mass of each. We used magnet, dissolved salt and filtering to
separate the three substances. Finally
Soda and Mentos explosion Lab
Through our observation of the explosion of mint Mentos with tap seltzer water,
diet coke and non-diet cake which did by Mr. Benjamin, our group has got our
hypothesis was that sugar affected the magnitude of the ex
observations for 2 L and 10 candies
liquid sprayed up to about 0.5 metter into the air
liquid sprayed up to over 2.25 metters into the air
liquid sprayed up to about 1.5 meters into t
Honors Chemistry - Chapter 8 Review
Chemical Change= a change that produces one or more new substances. The change
cannot be reversed by physical means.
Law of Conservation of Mass - States that mass is neither created or destroyed in any
Chapter 6 Review
An attraction between the nuclei and valence electrons of different atoms.
Bonds can be classified as ionic or covalent based on the types of atoms forming
the bond and based on the difference in electronegativity betwe
Chapter 7, Problem Sheet 2
Name the following compounds:
Honors Chemistry Kent School Mr. Benjamin
Winter Term Chemistry Review Problems
Chapter 6 Chemical Bonding and Intermolecular Forces
Be able to distinguish between ionic and covalent bonding and to predict which kind of
bond will form betwee
Electrolytes Also, molecules that ionize (like acids) produce electrolytic solutions.
Dissociation (just separates the pre-existing ions) vs. Ionization (the creation of ions
from a molecular compound by the reaction with water)
Acidsubstance which produc
The Five liquids Different Reaction on Penny
Picture from: www.flickr.com/photos/sallykent2006/451024890/
1. Balloon demonstration:
a. When the charged balloon came close to the stream of water, there
was an interaction between water and charged balloon,
1. Mineral oil molecule has the largest mass. Water molecule has the
smallest mass. Water molecule has the smallest surface area. Mineral oil
molecule has the largest surface area. Ethanol molecule is polar. Water
molecule is polar. Acet
Chapter 16, Problem Sheet 2
Potential Energy Diagram.
1. On the graph label (using arrows or brackets) the H, and the activation energy (Eact)
for the forward reaction and the activation energy (E