The Properties of Radioactivity
To measure the counting rate (net cpm) of different materials and at different distances using a
Radioactive elements, whose nuclei are unstable and disintegrate instantane
Name: Joselin Vargas Alexis He
Title: Solubility Product Constant of Copper (II) Iodate
Objective: To determine the solubility product constant for calcium iodate against
Copper (II) iodate, is an insoluble ionic compound.
Buffers and Hydrolysis
To determine the buffering capacity of the buffer
A buffer is a mixture of relatively large amounts of weak acid and its common-ion
salt or a weak base and its salt is known as a buffer. A b
Experiment 11: The Effect of Temperature on an Equilibrium Constant
To determine the equilibrium constant of the dissolution of CoCl 4-2 at different temperatures, and to
determine both the enthalpy and entropy of the reaction at different tem
Experiment Five: Buffers and Hydrolysis
To determine the buffering capacity of two buffers comprised of acetic acid and sodium
hydroxide, by adding a strong acid and base, then measuring the pH over different volume
To find the percentage of oxalate ion in the unknown sample #11 via
Redox reactions are chemical reactions that involve the transfer of
electrons among reactants. Molecules get reduced
To determine which cations are present in the given unknown number.
It is possible to predict whether a precipitate will form when a compound is added to a solution
by considering the solubility of the sol
Kinetic Study: The Iodine Clock Reaction
To determine the rate of the reaction of H2SO3 and KIO3 at room temperature
and at 7-9 C, as well to determine the activation energy.
Chemical kinetics includes the study of reactio
CHEMICAL EQUILIBRIUM: Determination of an Equilibrium Constant
To determine the equilibrium constant for the reaction of Fe(NO3)3 with
A typical equation has the following form: aA +bB cC + dD
This form of equation
Enthalpy: Heat of Neutralization
To determine the heat of neutralization of the reaction of HCL with NaOH.
Chemical reactions usually accompany the formation and absorption of energy
in the form of heat. The branch of chem
SOLUBILITY PRODUCT OF COPPER (II) IODATE
OBJECTIVE: Measure the solubility product (Ksp) of Cu(IO3)2 over a range of different
equilibrium concentrations. Use the concept of activity in the calculation of Ksp.
Experiment 6: Kinetic Study: The Iodine Clock Reaction
To determine the activation energy of the reduction of KIO3(aq) by H2SO3(aq) by measuring the
reaction rates at different temperatures, and applying a formula that relates all of these val
The Properties of Radioactivity
To determine the relation between the intensity of radiation with the distance from its source, and the
thickness of the shielding used, through recording the counts per minute using a Geiger-Muller counter
Experiment 12: Group I Cation Analysis (Ag+, Pb2+, Hg22+)
To determine, via qualitative analysis, the identity of the Group I Cations present in an unknown
The chemical identity of a substance can be partly determined throug
Objective: To calculate the percent of oxalate in the unknown sample through titration using
KMnO4 solution and by the understanding of the redox reaction and the relationship of molarity
to volume of one solution to another.
Experiment 4: Solubility Product Constant of Copper (II) Iodate
To determine the Ksp of copper (II) iodate by titration against sodium thiocyanate.
The constant Ksp is a specific equilibrium constant for the dissolution of a salt in a