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Task 1
For the list of molecules below demonstrate the different ways of representing organic molecules.
a) Butane
b) Propene
c) Cyclohexane
d) 3-methylpentane
e) Ethyne
Task 2
a) Label sp3, sp2, sp hybridised bonds, sigma and Pi bonds on an appropriate diagram of an organic molecule or molecules.
b) Explain how sp3, sp2, sp hybridised bonds, sigma bonds and Pi bonds are formed.
Imagine dissolving a spoonful of sugar in a glass of water. Is the sugar-water combination classified as a compound or a mixture
0.50 of hydrogen chloride () is dissolved in water to make 5.5 of solution. What is the of the resulting hydrochloric acid solution?
Determine which substances will be present in the container after the reaction goes to completion and how many moles of each substance is present.
The acid dissociation constant for HClO2 is Ka = 1.1 x 10-2. You add 1.08 g of HClO2 to 427 ml of 0.0150 M NaClO2 solution. What are the equilibrium concentrations of H3O+, ClO2-, and HClO2
how might you be able to build a buffer solution of a given molarity at any pH without doing a single Henderson- Hasselbalch calculation?
Why must we know both in order to explain the physical properties of the molecule. physical properties to be considered are solubility and the points when the molecule changes states
A 100. mL aliquot of this solution required 35.5 mL of 2.50 M hydrochloric acid for complete neutralization. What mass percent of sodium chloride was present in the original 50.0 g mixture
The mass of a golf ball is 45.9 g. If it leaves the tee with a speed of 61.0 m/s, what is its corresponding wavelength?
A study of the water-gas shift reaction given below was made in which equilibrium was reached with [CO] = [H2O] = [H2] = 0.10 M and [CO2] = 0.31 M. After 0.41 mol H2 is added to the 2.0 L container and equilibrium is reestablished
find the heat, work , energy, enthalpy, and entropy change for this process.
She pours a 50.0 mL sample of water at 345 K into the calorimeter containing a 50.0 mL sample of water at 298 K. She carefully records the final temperature of the water as 317 K. What is the value of Ccal for the calorimeter?
What words could be used to describe the chemical process that is summarized in each reaction below. a. carboxylic acid in the presence of an acid
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