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The complete combustion of pentane releases 243 kj on the basis of this information calculate the value of delta H for the complete combustion of one mole of pentane
In a reaction between pure acetic acid and sodium bicarbonate, 10.1 grams of sodium bicarbonate was added to 21.0 mL of acetic acid. Which reactant is the limiting reactant in this reaction?
A mixture of two miscible solvents that may be used as the solvent for a recrystallization experiment would be which of the following
A sample consisting of 1-bromopropane and 1-chloropropane isinjected into a gas chromatograph quipped with a nonpolar column.which compound has the shorter retention time? Explaine the answer.
cubic centimeter of rubber is worn off an automobile tire with each revolution of the wheel?
calculate the mass (g) of the excess reactant after thereaction is complete e. calculate the theoretical yeild (g) of 2,2dibromopropane
The more water molecules, the more intermolecular forces formed, the more energy released when ions dissolve in water. How does the periodic trend of cation radius for the alkali chloride solids compare to the number of water molecules that can fo..
A student allowed several air bubbles to enter his eudiometer tube. He ignored the error and proceeded with the experiment. What effect will this error have on his final result? Explain your rationale.
The molar solubility of MnCO3 is 4.2 x 10-6 M. What is Ksp for this compound?
Hydrogen peroxide undergoes a first-order decomposition to water and O2 in aqueous solution. The rate constant at 25 °C is 7.40 * 10-4 s-1. Calculate the volume of O2 obtained from the decomposition of 1.00 mol H2O2 at 25 °C and 740 mmHg after 20...
Carbohydrates, lipids, and proteins! Take a look around your home. Describe an example of a carbohydrate, lipid, and/or protein found in your home.
What is the purpose of grinding the magnesium before introducing it into the reaction flask?
1) What is the filtration rate expected for this system? 2)How significant is the medium resistance?
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