How many grams of cl2 can be prepared
How many grams of Cl2 can be prepared from the reaction of 15.0g of MnO2 and 30.0g of HCl according to MnO2 + 4HCl ->> MnCl2 + Cl2 + 2H2O
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A 10.0L container of helium gas with a presure of 250mmHg at 0 degrees Celsius is heated to give a pressure of 1500mmHg. What is the temperature in degrees Celsius?
Calculate the amount of heat transfered when 24.0 g of CH3OH decompose at constant pressure. delta H is 126.4 kJ
Would you be able to use Fe(3+)ions as an indicator for determining the concentration of silver in an unknown solution?
Upon cooling, the solution freezes at a temperature of 74.8°C. What is the molar mass of the unknown compound?
If the concentration of CO in the equilibrium mixture is 0.2 M, what mass of methanol was initially introduced into the vessel?
Use regression analysis to investigate the relationship between the number of fatal accidents and the percentage of drivers under the age of 21. Discuss your findings.
In the preparation of the esters given in this experiment, the reaction product was extracted with 5% sodium bicarbonate solution in the isolation step. Why? What gas was evolved during this washing step? Write a balanced equation for the reaction
Your chemiluminescence reaction will actually occur very slowly in air. What component of air will bring about this reaction and what is its approximate concentration in air?
The mass of a proton is 1.673 ⋅ 10-24 g. The mass of a neutron is 1.675 ⋅ 10-24 g. The mass of the nucleus of an 56Fe atom is 9.289 ⋅ 10-23 g. What is the nuclear binding energy (in J) for 56Fe nucleus? (c = 3.00 ⋅ 108 m/s)
The filtrate after the removal of the black precipitate was basified with 6M ammonia. This when treated with 3M ammonium carbonate, it gave a white precipitate. This white precipitate was dissolved in 6M acetic acid and basified with ammonia(6M).
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