What was the concentration of li2s in the original undiluted
A 19 mL sample of a solution of Li2S was diluted with water to 76 mL. A 25mL sample of the dilute solution was found to contain 1 MLi+. What was the concentration of Li2S in the original undiluted solution?
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There is a "dead-air" layer next to your skin that acts as insulation. If the dead-air layer is 5.0 thick, what is the person's rate of heat loss by conduction?
Assume that all electrical energy consumed by a household is generated by burning fossil fuels. Calculate the household's related annual CO2 emissions if its average daily usage of electrical energy is 10kWh.
At a big store building with 100 elevators, the amount of waiting time for next elevator in seconds is a Gaussian random variable (30,5) X. Suppose the significance level is a = 0.01 and null hypothesis H0 is that any event or occasion does not af
A third charge of +10.4 micro-Coulombs is placed at x = -0.25 m, y = 0 m. At what angle is the total electric filed is directed at the the point x = 0 m, y = +0.17 m if measured counter-clockwise from the positive x axis?
The windmills are to be located where the wind is blowing steadily at an average velocity of 8 m/s. Determine the minimum number of windmills that need to be installed if the required power output is 600 kW.
Pure Ag melts at 961.8 degreesC and boils at 2162 degreesC.The heat of fusion for Ag is 11.28kJ/mol and the heat ofvaporization is 250.6kJ/mol.
S.w.o.t. (strengths, weaknesses, opportunities, threats), Select one of the needs of Community South Medical Center and identify at least one strength, one weakness, one opportunity, and one thr
At what temperature, the end of the bar will be in contact with the frame? When temperature of the bar rises to 900C, is there any stress developed in the bar? If yes, what is its magnitude?
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