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How might you determine the concentration of a strong acid using a standard potassium thiosulfate solution, potassium iodide, and a standardized solution of sodium thiosulfate?
A gas consists of 4.95 grams of oxygen and 4.95 grams of nitrogen and occupies a volume of 1.15 liter at a temperature of 330 K. Find the number of gas molecules.
A diver at a depth of 100 ft (pressure approximately 3 atm) exhales a small bubble of air with a volume equal to 100 mL. What will be the volume of the bubble (assume the same amount of air) at the surface?
What is the concentration of a solution of lithium carbonate containing 0.01 mol in 750 mL of solution? Give your answer to two significant figures and include the units as mol L-1 ie 0.36 mol L-1
Given that the standard free energy of formation of MCl2(s) and MO2(s) are, respectively, -311.5 and -286.5 kJ/mol at 25o C. What is the standard change in free energy (kJ) for the following reaction
Calculate the volume in mL of a 1.350 M HCI solution required to titrate the following solution.
Which of the subsequent isn't determined by the principal quantum number, n of the electron in a hydrogen atom. The energy of the electron
If 9.0 g of Al metal react with excess HCL according to the balanced equation (2Al(s) + 6HCL(aq)----> 2AlCl3(aq) + 3H2(g)), what volume of hydrogen gas at STP will be produced
After the vessel was pressurized with hydrogen gas and heated to 80 degrees C, the monometer showed the initial pressure inside the "bomb" to be 77.2 atm. Assuming 100% yield, calculate the pressure that should be inside the "bomb" when the reacti..
Find out the shape, ideal bond angles and direction of any deviation from the angles for each of the following (a)CIO3- (b)IF4- (c) SeOF2 (d)TeT5-
the hydrogen gas formed in a chemical reaction is collected over water at 30 degrees celsius and a total pressure of
A soft drink is made by dissolving CO2 gas at 4.00 atm in a flavored solution and sealing the solution in aluminum cans at 20.°C. What amount (in moles) of CO2 is contained in a 360-mL can of the soft drink?
The subsequent is the overall balanced reaction for a lead-acid battery. Explain what is the balanced half-reaction that goes on at the cathode without electrons indicated
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