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An unknown had the chemical formula C4H10O. It showed a positive chromic acid test, a positive lucas test in 5 minutes, and a positive iodoform test. What is the structure of the unknown compound?
Describe the procedure for doing isopentyl acetate. provide the calculation and all the reagents that can be used in this reaction
When they are heated, the final temperature of A is 55 degree C higher than the temperature of B. What does this tell you of the specific heats of A and B
You want to make one liter of a solution containing 10 mg/ml sodium phosphate, 10 mg/ml sodium chloride, and 10 mg/ml potassium nitrate. How much of each starting solution do you need to use, and how much water do you need to add?
Hydrogen is collected over water at .975 atm and 28 degrees Celsius. What is the partial pressure of H2?
Ascorbic acid (vitamin C, C6H8O6) is a diprotic acid (Ka1 = 8.00x10^-5 and Ka2 = 1.60x10^-12). What is the pH of a 0.280 M solution of ascorbic acid
A bu?er was prepared by mixing 1.0 mole of ammonia and 1.0 mole of ammonium chloride to form an aqueous solution with a total volume of 1.00 liter.
The calorimeter contains exactly 281 g of water, and the temperature increases by 1.126°C. Calculate the heat given off by the burning Mg, in kJ/g and in kJ/mol.
How many molecules are in 22.41 L of an ideal gas at STP? Remember the answer is supposed to be in molecules
the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide reacting with hydronium ion.
Determine the expression for the rate of reaction with respect to each of the reactants and products.
used to fill a weather balloon in order to lift equipment into the stratosphere. To what maximum pressure (in atm) could a 271 L balloon be filled?
Calculate the heat of reaction for the same reaction where water is a gaseous product instead of a liquid.
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