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Write a balanced chemical equation for the combustion of propanol (C3H8O). When 3.00 g of C3H8O and 7.38 g of O2 react, how many moles of excess reactant remain?
If 4 liters per minute of 100 ppm 1,1,2-trichloroethane solution is to be treated in a packed tower air stripper, what air flow is required if equilibrium is assumed and 100% removal
For the following chemical reaction, how many moles of silver chromate will be produced from 108 g of silver nitrate?
The company is interested in the drug's Ka value because only the dissociated form of the chemical is active in preventing cholesterol buildup in arteries. To find the pKa of X-281, you prepare a 0.089M test solution of X-281. The pH of the soluti..
A 2.914-g sample gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temperature greater than 170 C in a crucible until a constant mass is reached.
At 25?°C, the vapor pressure of diethyl ether is higher than the vapor pressure of its isomer n-butanol, because A. diethyl ether has a higher density than n-butanol.
what is the pH of an aqueous solution composed of 0.64 M NH4+ and 0.20 M NH3? (Ka of NH4+= 5.6 x 10^-10)
What is the final river temperature downstream? Assume that the density of the waste stream is 1000 kg/m3.
1-Complete the following reaction: Pb-210 decays by emission to form what new necleus? Write the complete nuclear equation.
When 18.02 g of water is decomposed by electrolysis, 16.00 g of oxygen and 2.02 g of hydrogen are formed. According to the law of definite proportions, what masses, in grams, of (a) hydrogen and (b) oxygen will be formed by the electrolysis of 775 g ..
Calculate the pH at the equivalence point for the titration of .25 M CH3COOH with M NaOH.
A 1.45g sample of phosphorous burns in air and forms 2.57g of a phosphorous oxide, calculate the emperical formula of the oxide express as a chemical formula.
Use the following information on Ga to determine the amounts of heat for the three heating steps required to convert 117.7 g of solid Ga at 0.0°C into liquid Ga
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