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Which of the compounds in the previous problem are aromatic? Which are isomers? a.ethylene b.1-butene c.2-chloro-1,3-butadiene d.2,5-dimethyl-3-hexene e.3-isopropylcyclopentene f.1,3-dimethylbenzene g.tert-butylbenzene h.toluene i.p-xylene j.o-xylene k.1,3-cyclopentadiene
suppose a 500 ml solution contains 1.00 mmol of co(no3)2, 100 mmol of NH3, and 100 mmol of ethylenediamine. what is the concentration of co2+ in the solution?
This Tetris ice cube game is available to play as long as the ice cubes remain ice. The game pieces weigh 178 g, and the heat capacity of the room air,
You are titrating 110.0 mL of 0.080 M Ca2 with 0.080 M EDTA at pH 9.00. Log Kf for the Ca2 -EDTA complex is 10.65, and the fraction of free EDTA in the Y4- form, ?Y4-, is 0.041 at pH 9.00.
A11.6 g sample of a certain gas was introduced into a constant volume container at 25 °C. if the container were heated to 175 °C, how many grams of gas must be vented from the container to keep the pressure of the gas constant
Methyl Orange is an acid-base indicator. In dilute solution, at pH greater than 4.4, it is yellow. At pH=3.2 the solution appears red. Draw a structure of the species that is formed at the lower pH of the acid proton adds to the azo nitrogen atom ..
Calculate the concentration in ppm of a pollutant that has been measured at 450 mg per 150 kg of sample.
when 5.0g of KOH is added to 100mL of water , the temperature of the solution increases by 3 degree Celsius . assume the density of the solution to be 1g/mL and specific heat capacity of the solution to be 4.184 J/g K.
consider a .7 L of a buffer composed of 0.4 M HClO and 0.5 NaClO? How many moles of strong base could this buffer withstand?
In tables of thermodynamic data provided in chemistry books, one finds ?H°f, ?G°f, and S° listed. Briefly, explain why the entropy data are supplied as S°, while the enthalpy and free energy data are in the form of ?H°f and ?G°f, respectively.
What is the concentration of hydrogen ions in a solution containing 0.39 M HOCN(cyanic acid) and 0.726 M (NaOCN) (sodium shiu (ys6479) - Acid Base Buffers - dungan - (00533434) 3 cyanate).
A 0.50g sample of vegetable oil is placed in a caloriemeter. When the sample is burned 18.9kj are burned off. What is the caloric value in kcal/g of the oil? I am not sure how to set this problem up. Please help
Assume no heat is lost to the surroundings. The normal boiling point of methane is -161.5 C. The specific heats of liquid and gaseous methane are 3.48 and 2.22 J/g.K, respectively. A)liquid B)gaseous C)solid
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