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The atomic masses of Li-6 and Li-7 are 6.0151amu and 7.0160amu respectively. Calculate the natural abundances of these 2 isotopes. The average atomic mass of Li is 6.941amu.
write a balanced chemical equation for the reduction of dl-camphor by NaBH4. Assume all H of NaBH4 are used in the reduction.
A compound is found to be 30.45% N and 69.55 % O by mass. If 1.63 g of this compound occupy 389 mL at 0.00°C and 775 mm Hg, what is the molecular formula of the compound.
in the electrolysis of aqueous solution of Na2SO4, what reactions occur at the anode and the cathode. explain
Choose the correct equation for the standard enthalpy of formation of CO(g), where change Hf for CO= -110.5kJ/mol? (gr indicates graphite)
if 1.67l of oxygen reacts with hydrogen gas to produce liquid water how manny liters of hydrogen gas will be needed.
Calculate the rate of Fe2 O3 production (kg/min) in the outlet solid stream, and the total molar flow and composition of the outlet gas stream.
In a first order decomposition in which the rate constant is 0.0181 sec-1, how long will it take (in seconds) until 0.484 mol/L of the compound is left, if there was 0.548 mol/L at the start?
Draw the Lewis structure of chlorous acid (HClO2). The result is that around Cl there are Fill in the Blank 01 (a number) bonding groups and Fill in the Blank 02 lone pair(s) of electrons. The number and types of structural groups aroud Cl corresp..
Determine the binding energy of F-19 nucleus. The F-19 nucleus has a mass of 18.99840325 amu. A proton has a mass of 1.00728 amu, a neutron has a mass of 1.008665 amu.
As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.90 and a temperature of 25.0 , what is the solubility of in a diver's blood
How many minutes will it take to plate out 16.22 gram of Al^3+ using a current of 12.9 amps in an electrolyic cell. What current is required to deposit aluminum at a rate of 1.25g/min
determine the number of molecules of acetaminophen in a 500 mg
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