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What substance ionizes nearly completely in aqueous solutions and produces hydronium ions? a weak base, strong base, weak acid, or strong acid.
Distinguishing between Organic Molecules, What chemical tests might be used to distinguish between: pentanal and 2-pentanone, between benzyl alcohol and diphenylmethanol?
Determine how much Nitrogen gas is consumed if 13.6 grams of FeN are formed in above reaction?
What is the percent by mass of NaHCO3 in a solution containing 70 g of NaHCO3 dissolved in 700 mL of H2O?
milk is pasteurised when heated to 63 C for 30 minutes, but if it is heated to 74 C it takes only 15 seconds for the same result. Find the activation energy for this sterilisation process
A student calibrates his/her calorimeter. S/he performs part 1 as instructed. The data are: 99.4 g water at 36.0°C are added to 98.0 g water in the calorimeter at 16.0°C.
at 710. mm hg a sample of nitrogen gas occupies 625 ml what volume does the gas occupy if the temperature constant and the pressure increases to 760. mm hg
Stoichiometry limiting reagent: find the reagent in excess. then calculate the mass or volume of the products formed.
The solubility of the ionic compound M2X3, having a molar mass of 205 g/mol, is 3.16 10-7 g/L. Calculate the Ksp of the compound.
Treatment of (S)-( )-5-methyl-2-cyclohexenone with lithium dimethylcuprate gives, after protonolysis, a good yield of a mixture containing mostly a dextrorotatory ketone A and a trace of an optically inactive isomer B
A sample of gas has an initial volume of 13.8L at a pressure of 1.26 atm If the sample is compressed to a volume of 10.8L, what will its pressure be?
What is the concentration (M) of CH3OH in a solution prepared by dissolving 16.8 g of CH3OH in sufficient water to give exactly 230 mL of solution?
How much energy would be required to melt 26 g of HCl at its melting point of -110.8 ?C?
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