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If 1.32g of al were reacted with an excess HCl, what amount of Hydrogen gas would be theoridocially be admitted at STP?
Titration of sodium carbonate with HCl to the methyl orange end point involves the reaction of 1 mole of Na2CO3 with 2 moles of HCl. Write the balanced chemical equation in a.
A sample of gas has a density of 1.25 g/dm at 30 degrees C and 1.02x10^5 Pa. What is the molecular mas of this gas?
An unknown is believed to be an alcohol because the IR spectrum showed broad absorption at 3200-3500 cm-1 and no absorption in the 1700-1750 cm-1 region.
an An automobile gasoline tank holds 42 kg of gasoline. When the gasoline burns , 168 kg of oxygen are consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced
1. A corrosion technologist pipetted a 100.00 mL hard water sample and titrated it with 37.64 mL of 0.01 M EDTA solution for a total hardness endpoint, and 29.32 mL of 0.01 M EDTA solution for a calcium endpoint.
What is the vapor pressure of a solution which contains 0.550 moles of acetonitrile and 0.350 moles of acetone? Assume the mixture behaves as an ideal solution.
Calculate molarity of solution obtained by dissolving 0.212g of Na2CO3 in 250cm3 of solution?
A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.407 times
22.5ml of .383 molar H2SO4 is required to completely neutralize 20ml of KOH solution. What is the molarity of the KOH solution?
What is the pH of a solution prepared by mixing 25.00 mL of a 0.10 M solution of the weak acid CH3CO2H with 25.00 mL of 0.040 M sodium acetate, CH3CO2Na? Assume that the volume of the solutions are additive and that Ka = 1.8 ?* 10-5 for CH3CO2H.
At 1 atm, how much energy (kJ) is required to heat 65.0 g of H2O(s) at -20.0 degrees C to H2O(g) at 135.0 degrees C?
Write a balanced net ionic equation for the reaction of KMnO4 with the saturated solution of CdC2O4 in diluted H2SO4. The major products are Mn2+ and CO1
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