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What makes weak/strong bases. a problem the diagrams- that has a 4 carbon chain with some substituents....they all have a double bonded oxygen on the 1st carbon...some have another oxygen on the same carbon..one also has a CL on C-2 in addition to that O- on the C-1, next one has the same but CL is on C-3, and one just has a methyl group
the rate constant for the first order decomposition of a compound a in the reaction 2ap is k 2.7810-7s at 25oc. what is
What mass of sucrose C 12 H 22 O 11 must be mixed with 543 grams of H 2 O to make a solution with an osmotic pressure =8.00 atm at the temperature of 12 degree celsius?
what law is illustrated by the fact that ice,water,and steam consist of 88.8% oxygen and 11.2% hydrogen by mass.
What is the enthalpy for reaction 1 reversed. reaction 1 reversed: 2NO + O2 ---> 2NO2 (it is already reversed) I tried -114, -112 and -171.
The student then adds water to the flask dissolving the sugar the mass is now 204.274g. calcuate the density of this solution
What is the final volume of the balloon. Assume that the pressure inside and outside the balloon has the same value. Ans. V = 34.8 L
Calculate the solubility of calcium oxalate in plain water and the concentrations of calcium and oxalate ions in a 0.010 M Ca(NO3)2 solution
The equation for the complete combustion of ethene (C2H4) is C2H4(g) + 3 O2(g) ==> 2CO2(g) + 2H2O(g) If 2.70 mol C2H4 is reacted with 6.30 mole O2,
Compare the pH of a H2CO3 buffer that contains .10 M H2CO3 and .10 M NaHCO3 with another H2cO3 buffer that contains .15 M H2CO3 and .050 M NaHCO3.
a student placed 17.0 g of glucose in a volumetric flask added enough water to dissolve the glucose by swirling then
What is the molarity of an unknown acid if 40.5 ml of the acid can be titrated
Commensurate with the quantities of chemicals involved. Choose a distillation flask, which will be approximately half filled by the quantity of liquid you have to distil
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