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On passing H2S through acidified FeCl3 solution FeCl3 is converted in to what?
Which of the following compounds is expected to have the highest boiling point
A gaseous compound containing hydrogen and carbon is decomposed and found to contain 82.66% carbon and 17.34% hydrogen by mass. The mass of 158 of the gas, measured at 556 and 25 , is found to be 0.275.
A saturated solution of magnesium hydroxide in equilibrium with undissolved solid is prepared at 25C. The pH of the solution is 11.03. Calculate the value of the Ksp
Boron has two stable isotopes 10B (mass = 10.012938) and 11B (mass = 11.009305). If the atomic weight of Boron is 10.811 Explain what are the isotopic abundances of each isotope
Explain why the first ionization energy trend tends to increase as one proceeds left to right across a period. Why is the first ionization of aluminum lower than that of magnesium and the first ionization of sulfer lower than that of phosphorus
How do you calculate entropy from microstates and how does increasing the volume of the system affect calculating microstates?
Question- State the number of electron groups, lone pairs, and use VSEPR theory to determine the shape of the following molecules or ions.
A student adds 0.1 mol of oxalic acid (H2C2O4) and 0.1mol of sodium dihydrogen phosphate to enough water to make 1.0L of solution. The following equilibrium is established with Kc from this reaction greater than 1
What is the concentration (in M) of the nitrate ion when 17.3 mL of a 0.633 M solution of potassium nitrate is combined with 15.3 mL of a 0.662 M solution of aluminum nitrate to a final volume of 48.1 mL
A 52.2 g block of an unknown metal at 85.5oC was dropped into an insulated vessel containing approximately 37 g of ice and 27 g of water at 0oC. After the system had reached equilibrium
calculate the molar mass of an unknown sunstance, if the freezing point of a solution containing 1.00 g of the unknown in 100g of camphor is 165.4 C.
Calculate the value of the reaction quotient Q. (b) Is the system at equilibrium? If not, predict which way (right or left) the reaction will proceed to reach equilibrium.
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