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A 187 g sample of gold at some temperature is placed in a constant pressure calorimeter with 30 g of water at? 25 degrees C. The final temp. in the calorimeter is 28.2 degrees C. If the specific heat of gold is 0.128 J/g * c what is the initial temperature of gold?
What is the vapor pressure of a aqueous solution containing 10 %(by weight) ethylene glycol (62 g/mol) at 25°C. PH2O = 24.3 torr at 25°C.
if 0.500 g of antacid was added to 50.00 ml of 0.100 m hcl and 5.65 ml of 0.100 m naoh was required to titrate the
Calculate the percent ionization of propionic acid (C2H5COOH) in solutions of each of the following concentrations: a) 0.250 M
Your focus should be on the language you highlight in the newspapers and how those words convey the writers' bias, whether obvious or subtle. Simply focus on the areas you wish to demonstrate as examples of biased language.
Draw two molecules that are diastereomers and calculate the energy of each. Then draw two molecules that are enantiomers and calculate the energy of each. (You may use the same molecule twice). Comment on how the results agree or do not agree with..
Make a prediction on the solubility of benzoic acid and 9-fluorinone in the two solvents used in this experiment. (The two solvents were NaOH and 6 M HCl)
Draw a Data Flow Diagram (DFD) and an ER Diagram depicting a student enrolling in a university, adding, dropping, and finishing a class. Also, include the process of grading and all modular design components (sequence, selection, iteration).
Describe: a) its use in medical treatment, b) list a common over the counter medicine that once contained this compound and c) why phenolphthalein is being phased out in over the counter medicine formulations
If I have 5.00 g of Mg(OH)2, what volume of 0.1234 M HCl would i require to completely neutralize the magnesium hydroxide
a student was asked to determine the percentage of the components of a mixture of potassium bromide kbr magnesium
Given Mo Energy level diagram for diatomic molecules, which of the following molecular ions has a bond order of 3. Why
Still on Le Chatelier's principle, Ketones are known to be less reactive in aldol condensations.
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