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Draw the structural formula of the aldehyde produced when {rm CH}_{3}-{rm CH}_{2}-{rm CH}_{2}-{rm CH}_{2}-{rm CH}_{2}-{rm OH} is oxidized:
A 44.2 L sample of a gaseous hydrocarbon, measured at 1.00 atm pressure and 25 C is burned in excess oxygen, liberating 2.55x10^3 kj of heat at constant pressure. What is the identity of the hydroca
How do you write a spontaneous net redox reaction for a copper strip is placed in silver (I) acetat
A solution containing 29.50{mg} of an unknown protein per 20.0{mL} solution was found to have an osmotic pressure of 3.70{torr} at 24 degree Celsius. What is the molar mass of the protein?
What are the steps to writing a precipitate reaction with lead(II) nitrate and potassium chromate
The pKb of ammonia solution, NH3(aq) is 4.76. A buffer solution contains NH4Cl and NH3, has a pH of 9.45, and a total ammonia concentration (all forms) of 0.400 M. What is the concentration of NH4+?
Why is it unwise to begin addition of the solution of methyl benzoate to the Grignard reagent before the latter has cooled to room temperature and then been placed in an ice-water bath?
Calculate the concentrations of Fe3+, SCN -, and FeSCN2+ in a solution that is initially 3.0 M FeSCN2+.
What magnitude of current is required to produce 1.1 kg of sodium metal in one hour?
Arrange the following compounds in order of increasing reactivity toward attack of a Grignard reagent. Explain the basis for your decision, making use of mechanisms where needed.
A gas has a pressure of 4.68 atm when its volume is 2.16 L. If the temperature remains constant, what will the pressure be when the volume is changed to 1.03 L? Express the final pressure in torrs.
What are the lewis dot structures for Ca3N2m CHBr3?
A lipoprotein particle functions to A lipoprotein particle functions to
If 3.0 Ml of distilled water is added to 2.0 ml of 0.35M CoCl2 solution, what is the concentration of the resulting solution?
Phosphoric acid can form mono-, di-, and triesters. Diesters of phosphoric acid are part of the backbone of RNA and DNA. Identify the condensed structural formula of the dimethyl ester of phosphoric
If you placed 2.5 g of NaCl in 6.0 kg of water, what would be the boiling point elevation?
Calculate the number of grams of the indicated solutes present in each of the following solution samples. How many grams are in 172 mL of 15.4 M NH3
The vapor pressure of pure water at this temperature is 0.3804 atm. Find the value of the van't Hoff factor {i} for magnesium chloride in this solution.
Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. What is the molar concentration of these ions in water at 25oC?
Calculate the solubility of potassium bromide at 23 degrees C. Assume that the solubility increases by an equal amount of each degree between 20-30 degrees C
At 55.0 ºC , what is the vapor pressure of a solution prepared by dissolving 65.4g of in 259g of water? The vapor pressure of water at 55.0 ºC is 118 mmHg. Assume complete dissociation of
It does not conduct electricity in either the solid or liquid state. Does (NH2)2CO form an ionic,a covalent or a molecular crystal?
What is the pH of a solution of 6.5 * 10^-9 mol of Ca(OH)2 in 10.0 L of water [ Ksp of Ca(OH)2 = 6.5 * 10^-6 ] ?
We are trying to predict if two different liquid substances will mix to form a solution. If heat of solution is positive what determines whether or not the liquids mix?
Benzene has a heat of vaporization of 30.72kJ/mol and a normal boiling point of 80.1 degrees C. At what temperature does benzene boil when the external pressure is 470 torr?