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A stock solution was prepared by dissolving 340.0 g of sodium hydroxide in 2.00l of water. After preparing the solution 200.00 ml of that solution where transferred to a 150.00m l flask and diluted to the mark with water. After the second dilution 100.00ml of that solution where transferred to a 150.0 mL flask and it was diluted to the mark. What is the concentration of the final solution?
Write the formula for the ion formed when each of the following elements loses its valence electrons?
An aqueous solution of a soluble compound (a nonelectrolyte) is prepared by dissolving 33.2 g of the compound in sufficient water to form 250 ml of solution. The solution has an osmotic pressure of 1.2 atm at 25 Celcius. What is the molar mass (g/..
What is the reaction order with respect to \rm A. Can the same method be used to find reaction order of B and C
What is the theoretical yield of PH3, when 150 g of Na3P is mixed with 250 grams of water? If the actual yield is 30 g, what is the % yield?
What is the standard reduction potential and standard oxidation potential of water? I can't tell from the chart because water is in two places.
The specific heat capacity of silver is 0.240 J/(g x degrees C). Calculate the energy (in kJ) required to raise the temperature of 263 g Ag from 273K to 278 K.
what order is it? (b)rate constant? (c) calculate the concentration of sucrose at 39 minute, 80minutes, 140minutes, and 210minutes if the initial sucrose concentration was 0.316M and the reaction was zero order in sucrose.
Derive an expression for the instantaneous temperature as a function of the instantaneous pressure, and use it to sketch T/Ti vs P/Pi.
What is the oxidizing agent, the reducing agent, and the substances being reduced and oxidized for the following Redox Equation
An effective treatment for some cancerous tumors involve irradiation with "fast" neutrons. The neutrons from one treatment source have an average velocity of 3.2 x 10^7 m/s. If the velocities of the individual neutrons are known to within 2% of th..
Assuming that DHo and DSo hardly change with temperature, determine the temperature in K at which the spontaneity of this reaction changes.
Consider 4 moles of a perfect gas with initial volume= 20dm^3, initial temp= 300K, and final volume= 60dm^3. What is the change in entropy for the system, surroundings, and total for the following processes:
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