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If The molecular weight of the compound is 120g/mol then compute How many mg of the compound P do you have in 20ml of 4% (w/v) solution of P?
If The molecular weight of compound S is 140 g/mol then calculate 5e How many micro-g of compound S do you have in 150 micro-L of 650 mM solution?
What it the chemical reaction between silver ion and excess ammonia.
Freon-12, CF2Cl2, is a refrigerant and aerosol propellant suspected of accelerating the loss of ozone in the upper atmosphere. It is prepared by reacting gaseous carbon tetrachloride
The ice was poured out into another container leaving a wet, empty beaker that weighed 46.146g. How much ice was poured into the other container?
The equilibrium constant Kp for the reaction ; CCl4(g) C(s) + 2Cl2(g) at 700 celcius is 0.76 atm. Determine the initial pressure of carbon tetrachloride
A wastewater treatment plant discharges treated sewage into a river, the effluent contains a daily average of 15mg/L of NH4+. The rate constant of NH4+ bio-consumption is 0.03 1/d
The Carbocation, 1,1-dimethylpropyl, formed from the dehydration of protonated 2-methyl-2-butanol.
Calculate the molar mass of the compound if given that normal freezing point of C6H6 = 5.5 oC , the freezing point depression constant for C 6 H 6 = -5.12 o C/m .
The solubility product constant for AgCl at 298 K is 1.82 × 10-10. Calculate E° for the process
Calculate the pH of a 1.36x10^-2M solution of the decongestant ephedrine hydrochloride if the pKb of ephedrine (its conjugate base) is 3.86.
Calculate both the molar and molal concentration of water (H2O) in a solution of pure water when the water is at 10C and 30C. Use an accurate molecular weight for water
Draw the structures for each of the following fatty acids: a.) trans-5-Decenoic acid b.)cis-5-Decenoic acid
A cylinder with a moveable piston contains 184mL of nitrogen gas at a pressure of 1.02atm and a temperature of 306 K. What must the final volume be for the pressure of the gas to be 1.52m atm at a temperature of 370 K
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