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What is meant by the term colligative property, and how do they increase? How do you calculate colligative properties?
Find out the concentration of NaOH used in this reaction as well as the concentration of NaOH that was left after the hydrolysis reaction to finally find the molar mass of the ester.
If the heat of combustion for a specific compound is -1180.0 kJ/mol and its molar mass is 94.65 g/mol how many grams of this compound must you burn to release 465.40 kJ of heat
When heated to 350 degrees C at 0.950 atm, the ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases; 2NH4NO3(s) delta--->2N2(g)+4H2O(g)+O2(g):
Solid lead(II) iodide forms when aqueous solutions of potassium iodide and lead(II) nitrate are mixed. Write the molecular equation and include state symbols.
Project in Quantum Chemistry - The project is about The Self-Consistent Field (SCF) Method, Quantum Chemistry.
Exactly 100 mL of 0.12 M nitrous acid (HNO2) are titrated with a 0.12 M NaOH solution. Calculate the pH for the following. (a) the initial solution
A student carried out a recrystallization and obtained a 105% yield of material with a broad melting point. The material was warmed gently resulting in a recalculated yield of 87% and a sharper melting point. Briefly explain these observations.
Consider the following standard heats of formation: Standard Heat of formations for the substances:CO2(g) = -393.5 kJ/mol PbO(s) = -151.6 kJ/mol CO(g)
Compute the energy change in a system in which 44.95 kJ of heat is given off at 1.925atm pressure and the volume changes from 1.0265 L to 0.5549 L.
The printed label on a bottle of commercial vinegar states that the acetic acid concentration is 5%. (a) If the manufacturer had reported two significant figures int he concentration, what would the percentage range be so that all values would rou..
Explain a water pipeline is obstructed by a limestone (CaCO3 (s)) of 100g. Explain what is the volume of hydrochloric acid molar concentration required to be used by a plumber to dissolve the solid and the lead pipe
If you perform a number of titrations on different samples of the sulpuric acid, you need to measure out 25.0 ml of the acid each time. Does the mean deviation of the volume of your pipette samples describe the precision or the accuracy of your wo..
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