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In a separate experiment, it was found that, for fixed temperature and pressure, a 0.100 L sample of this compound takes 1.73 times longer to effuse than does a 0.100 L sample of Ar(g). What is the
A 0.2527-g sample of a mixture of Mg(OH)2 and Al(OH)3 was treated with 50.00 mL of 0.225 mol L?1 HCl(aq). The resulting solution required 13.73 mL of 0.176 mol L?1 NaOH(aq) to neutralize the excess,
Find the fraction of association of 0.100 molar solution of Hydrazoic Acid. Ka = 2.20x 10^-5.
The simplest alkene has the formula C2H4 and the simplest cycloalkene has the formula C2H2
Which of the following statements relative to IUPAC nomenclature for alkens and cycloalkenes is incorrect? A. The position of a double bond in a parent chain is given by a single number B
Consider the titration of a 24.3mL sample of 0.120M RbOH with 0.110M HCl. Determine each of the following.
Determine the dissociation constants for the following acids. Express the answers in proper scientific notation where appropriate
If 3.7 g of butanoic acid, C4H8O2, is dissolved in enough water to make 1.0 L of solution, what is the resulting pH
If you wanted to prepare a solution of CO in water at 25 in which the CO concentration was 2.1 mM , what pressure of CO would you need to use
Despite its apparent unsaturation, no hydrogen was absorbed on catalytic reduction over a Pd/C catalyst. On treatment of A with dilute H2SO4, dehydration occurred and an optically inactive alkene B,
At high temperatures phosgene (COCl2) decomposes to give carbon monoxide CO and Cl2. In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is establis
A compound contains only C, H, and O. To analyze the compound, you determine its empirical formula by analysis for C and H, and its molar mass by freezing point depression. (a) What is the empirical
Nitric acid is often manufactured from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming of natural gas, in a two-step process.
The activation energy of a certain reaction if 65.7kJ/mol. How many times faster will the reaction occur at 50 degrees Celsius than at 0 degrees Celsius? State the assumptions you need to make in or
The emerging gas is collected in a 5.00L flask and is found to contain 8.62g of carbon monoxide, 2.60g of hydrogen gas, 43.0g of methane, and 48.4g of water vapor. Assuming that equilibrium has been
how many moles of NH4Cl are necessary to prevent the precipitation of magnesium hydroxide (neglect change in volume due to addition of NH4Cl)? The solubility product for Mg(OH)2 is 1.5× 10-11,
The Ksp of mag fluoride is 6.4x10 -9degree calculate the solubility (in g/l) of mag fluoride in water
Calculate the 1/2 life for the decomposition of co2 which is first orderwithnrespect to co2 at 1000degree k with k=1.8x10to-13degree sec
Cyclopentadine (C5H6) reacts with itself to form dicylopentadiene (C10H12). The following data were collected as the reaction proceeded.
Calculate the concentration of the ions and the molar solubility and the solubility product constant for the Salt at 25 degree c. Show the balance reaction.
When nitroglycerin explodes it produces nitrogen, oxygen and water and carbon dioxide. If the heat of reaction is -5692 kj/mol how much heats released when 4.5 g of the explosive reacts
The Kp value was calculated as 8.491 g. What does the Kp value tell you about the solubility of benzoic in the two solvents dichloromethane and water
Briefly explain why you would expect benzoic acid to be soluble in the two solvents water and dicloromethane
The sensitivity of a spectrophotometer allows detection of 1 percent of one colored form of an indicator for example HIn in the presence of 99 percent of the other colored form In-. Based on this fa
Calculate the partial pressure of oxygen produced from 1.00L of 0.600M dinitrogen pentoxide solution at 45 degrees celsius over a period of 20.0hours if the gas is collected in 10.0L container. (Ass