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Carboxylic Acids. List 3 carboxylic acids; describe in reasonable detail its structure, its source, its uses, toxicity and other significant characteristics.
Or
Plastics. List 3 plastics; state the starting chemicals, describe in reasonable detail the polymers, their chemical and/or trade names, its properties, uses and recycling options.
0.75g of hydrogen chloride is dissolved in water to make 2.5L of solution. What is the pH of the resulting hydrochloric acid solution.
A quantity of Oxygen (g is originally at 4.75 atm and 26 degree Celsius in a 5.00 Litre container is transferred into the same container determine the total pressure in the new container?
This problem describes a gravimetric titration in which the mass of titrant is measured instead of the volume. A solution of NaOH was standardized by titration of a known quantity of the primary standard potassium hydrogen phthalate (KHP) which ha..
given that the internal energy of water at 55 bar pressure is 1178 kj kg-1 and that the specific volume of water at
Problem- How can you tell if the isomerization is complete. In other words, was all of the dimethyl maleate converted into dimethyl furmate.
Explain the structural differences between benzene and cyclohexane molecules: Explain what is a shape of each carbon atom on the benzene ring
Calculate the number of moles of solute present in 75.0 g of an aqueous solution that is 1.50 % sucrose (C12H22O11) by mass.
The temperature rises from 19.25C to 22.17C. If the heat capacityof the calorimeter is 98.6J/C, calculate the enthalpy change forthe above reaction on a molar basis
When a 8.37-g mixture of methane, CH4, and ethane, C2H6, is burned in oxygen at constant pressure, 445.8 kJ of heat is liberated. What is the percentage by mass of CH4 in the mixture
Add HCl or NaOH to 1.00 L of 1.00 mol L-1 HA(aq) to obtain a solution with a pH of 4.00 at 25oC? How many moles of HCl or NaOH are required
The room temperature and pressure were 23.6 deg C and 763.4 mm Hg respectively. The residue had a mass of 3.1915 grams. What was the partial pressure of oxygen?
What is the maximum age of a sample that can be measured by 14C dating if the error of measurement is 0.5%
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