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write the lewis symbol for hydrogen sulfide, distributing the remaining valence electrons so that the hydrogen atoms are in accordance with the duet rule and the sulfur atom is in accordance with the octet rule.
The base solution was added to the acid solution but was not stirred while temperature measurement were not made: c.) Some of the base splashed out of the calorimeter while pouring:
calculate the percent yield of C2H5Cl if the reaction produces 188g of C2H5Cl
At 350 K, Kc = 0.142 for the reaction 2BrCl(g) -> Br2(g) + Cl2(g) An equilibrium mixture at this temperature contains equal concentrations of bromine and chlorine, 0.058 mol/L. What is the equilibrium concentration of BrCl? Answer in units of M.
calculate the approximate volume of a 0.600 mol sample of gas at 15.0 degrees Celcius and a pressure of 1.10 atm.
What is the volume occupied by 25.0 gm of Ar (g) at a temperature of 301K and pressure of 1.30atm.
calculate the average moles of ascobic acid in the pipetted sample used for titration d)Calculate the average moles of ascobic acid in the crushed tablet.
How many ml of 0.05 M HCl solution would be required to completely neutralize 25.0 ml of 1.0 M Ba(OH)2 solution?
An experiment requires 44.0 g of ethylene glycol, a liquid whose density is 1.114 g/mL. Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
At high temperatures, ammonia can react with oxygen according to the following unbalanced reaction: NH3 + O2 ---> NO + H2O If 5.76 moles of NH3 react with 12.2 moles of oxygen
Consider a steel tank whose volume is 65.0 and which contains gas at a pressure of 16500 at 21.What mass of does the tank contain?
Calculate the volume of 6.15% (mass solute/volume solution) sodium hypochlorite ("bleach") that will be required to make 250 mL of 0.500 M sodium hypochlorite.
The vapor pressure at 300 K is 856 torr. If 12.0 g of CCl3F is enclosed in a 1.0 L container, will any liquid be present? How much?
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