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How many grams of magnesium metal will react completely with 4.8 liters of 5.0 M HCl?
Mg (s) + 2 HCl (aq)-> MgCl2 (aq) + H2(g)
In a titration of 25.80 mLs of 0.256 M HCOOH (formic acid, Ka = 1.8x10-4) with 0.286 M KOH, how many mLs of titrant will be required to reach the equivalence point?
What is the molarity of a HCl solution if the reaction of 200mL of the solution with excess CaCO3 produces 10.5L of Co2 gas at 725mmHg and 18C?
Otane has a density of 0.692 g/mL at 20°C. How many grams of O2 are required to burn 5.95 gal of C8H18?
Compute the a)molarity of the solution, b)molality of the solution, c) mole fraction of Ammonia.
Ethanol v dimethylether, What are the molecular weights of ether and dimethylether? Are they isomers of each other or is each an isomer of something else?
If the reaction 2H2S(g) 2H2(g) + S2(g) is carried out at 1065C, Kp = 0.0120. What is the value of Kc for the reaction H2(g)+1/2S2(g) H2S(g) at 1065C ?
Weight of Water Required, Calculate the weight of water required to steam distill 500mg of bromobenzene at 95 degrees Celsius.
How many grams of iron are formed when 275 grams of carbon monoxide react with excess Fe2O3
What is the value of work (w) when a piston of volume 0.2 L expands against an external pressure of 200 kPa to a volume of 3.4 L?
for 1st order problem, at 298k the rate is 3.8X10^-6M/s, and at 350k the rate is 4.2X10^-5 M/s. What is the half life at 360k?
Calculate the amount of heat liberated (in kJ) from 325 g of mercury when it cools from 81.9°C to 10.0°C.
At 25 degree celcius, the density of a 50 percent by mass ethanol/water solution is 0.914 g per subic centimetre. Given that the partial molar volume of water in the solution is 17.4 cubic centimeter per mol.
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