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Prepare 100-mL of 0.7 M hydrochloric acid solution by diluting an appropriate volume of 3.0 M hydrochloric acid solution. Use this dilute solution to titrate a known mass (between 1 and 1.5 g) of strontium hydroxide octahydrate dissolved in about 50 mL of deionized water. Use appropriate glassware for the titration that will enable you to swirl without losing solution. Include a description of what you do to prepare the solution as well as all necessary data and calculations. Use phenolphthalein solution as the indicator for this reaction.
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Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25°C.
A flask contains only H2 at 59.2 atm and I2 (g) at 118. atm. The contents are then allowed to come to equilibrium according to the equation H2 (g) + I2 (g) 2HI (g) , Kp = 50.5
What would you need to use to prepare 300 ml of 0.500M K2Cr2O7 adding 30 ml of 1.50m K2Cr2O7 to 270 ml of H2O or dilute 250 ml of 0.600 m K2Cr2O7 to a volume of 300 ml please help explain which
Consider the following generic chemical equation. 2A+4B ---> 3C. What is the limiting reactant when each of the following amounts of A and B are allowed to react? 2 mol A; 5 mol B 1.8 mol A; 4 mol B 3 mol A; 4 mol B 22 mol A; 40 mol B
Describe three interfaces you interact with on a daily basis. Analyze each interface you identified in Question one and assess how it adheres to Mandel's five golden rules. Suggest two changes for each interface to achieve a more user-friendly desig..
A cylinder of free volume 10ft3 is divided into two compartments by a piston. Originally the piston is at one end and the cylinder contains 2lb of steam at 150C. Air from a supply main at 200lb/in2 and 15C is then admitted slowly via a throttle va..
calculate the rotational constant b for h2gand d2gin unite of frequency. rationalize the trend in rotational constant
nonbonding domains, polarity, intermolecular attractive forces, and which IMAF is the most important
A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressure of 93.9 mmHg at this temperature.c
After absorbing 1850 J of energy as heat, the temperature of a 0.500-kg block of copper is 37 C. What was its initial temperature. (The specific heat capacity of copper metal 0.385 J/g K)
If 25.0 mL of 0.451 M HNO3 solution is titrated with 0.451 M NaOH, Calculate the pH of the solution after each of the following amounts of base have been added. Set up the relevant neutralization reaction equations for each part.
Calculate Kp at 298 K and 490 K for the reaction NO(g) + 1/2 O2(g) = NO2(g) assuming that Delta H(g) is constant over the interval 298 K - 600 K.
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