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What would you expect to happen if an unknown solution that may contain ions from Groups I through IV were treated with Na2CO3 under basic conditions? Explain in terms of the solubility rules.
A 100-mL sample of the juice took 9.58 of the iodine solution to reach a starch end point. What is the concentration of Vitamin C.
This electrophilic addition reaction involves a carbocation intermediate. Protonation of which sp2 hybridized carbon would form the most stable carbocation?
with vapor pressures at room temperature of 88, 680, 155, respectively, in order of decreasing boiling points.
Determine the mole fraction of HO2CCH2CHOHCO2H in this solution?
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely.
9.780 grams of gaseous mixture contains ethane ,C2H6 and propane ,C3H8. it needs 1.120mol of oxygen when complete combustion to form CO2 and H2O. Compute the mass percent of C2H6 in the original mixture.
The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 C The specific heats of C2Cl3F3(l) and C2Cl3F3(g) are 0.91 J/g-K and 0.67 J/g-K, respectively.
A 125 g aluminum block at an initial temperature of 95°C is dropped into a styrofoam flask containing 150 mL of water at 20°C. What is the final temperature?
The balloon is designed to continue its ascent to an altitude of 30 km, where it bursts, releasing a package of meteorological instruments that parachute back to Earth.
The pH in a lake the size of 4.0 km X 7.0 km and an average depth of 100 m is found to be 4.5. Calculate the mass of calcium carbonate that must be added to the lake water in order to raise its pH to 6.0.
Consider a heat engine operating between 1200 K (TH) and 400 K (TC), What if we combust 1 liter of ethane to supply qh, how much work would we expect
what mass of solid sodium formate (of mw 68.01) must be added to 105 ml of 0.55 mol/l formic acid(HCOOH) to make a buffer solution having a ph of 3.96? ka=0.00018 for HCOOH
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