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Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that freezes at -14.5 degrees? The freezing point for pure water is 0.0 degrees and Kf is equal to 1.86 C/m.
A gas is compressed from an initial volume of 5.40 to a final volume of 1.20 by an external pressure of 1.00 . During the compression the gas releases 126 of heat.
Write out the reaction mechanism for conversion of acetylferrocene to diacetylferrocene using acetic anhydride and 85% phosphoric acid.
Equilibrium between the composition of Hydrogen sulphide in the gaseous and liquid phases can be represented as Yn=48.3Xn.
How much heat is required to convert 25.0g of ethanol at 25 degrees C to the vapor phase at 78 degrees C?
Show the mechanism of SN1 Silver Nitrate in ethanol with 2-bromobutane Show the mechanism of SN2 Sodium Iodide in acetone with 2-bromobutane Arrows
Calculate the slope of the straight line 2. What is the density of the substance 3. Briefly explain why it is more accurate to use the slope of the plot to determine the density than it is to use data from a single determination
Calculate the value of E cell for the following reaction 2Fe2+(aq) + Cd2+(aq) ? 2Fe3+(aq) + Cd(s)
A solution is prepared by mixing 87.0 mL of 5.00 M HCl and 36.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+ ], [OH - ], and the pH for this solution.
a 50.00-ml sample of 0.100 m koh is titrated with 0.152 m hno3. calculate the ph of the solution after 52.00 ml of hno3
in hundreds of thousands of homes across the country family swimming pools and spas require sanitation and maintenance
A swimming pool measures 25 meters wide by 145 meters long by 1 meters deep. How many gallons of water are required to fill the pool?
A .647 L sample of hydrogen chloride (HCl) gas at 1.12 atm and 23°C is completely dissolved in 885 mL of water to form hydrochloric acid solution. Calculate the pH of the solution.
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