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An amount of an ideal gas expands from 10.5 L to 22.3L at a constant pressure of 1.0atm. Then the gas is cooled at a constant volume of 22.3L back to its original temperature. Then it contracts back at a constant tempurature to its original volume.
What is the total heat flow for the process?
Determine how you would make a 100ppb solution of riboflavin from a 50mg/L stock solution. Do the same for preparation of a 500ppb solution from a 50mg/L stock solution
To prepare 100 mL of a 0.500 M solution of this hydrated form requires 0.0500 moles of this salt. Calculate the grams of this compound that equals 0.0500 moles, showing all your calculations.
At 25 °C and 775 Torr, carbon dioxide has a solubility of 0.0347 M in water. What is its solubility at 25 °C and 1370 Torr
How much heat (in kilojoules) is evolved or absorbed in the reaction of 3.05 of with enough carbon monoxide to produce iron metal?
use your titration results to calculate the molar concentration (molarity) of the Ba(OH)2 solution using the molar amounts of H2SO4 used in each trial
how much limestone must be decomposed by heating to produce 250.0 grams of lime cao?assuming that the limestone
Draw the structures of the eight isomeric pentyl alcohols (C5H11OH) and name them including primary
Calculate the volume of 0.50M NaOH needed to exceed saturation by 10% the volume from question 4 of 0.50M Mn(NO3)2 with Mn(OH)2.
Which of the following sets of quantum numbers or electron configurations cannot exist in a hydrogen atom? Why? a) n=2, l=2, m1=0 b) n=3, l=0, m1= -1 c)1p^3 d)3f^6
Determine how many micrograms of herbicide are present in 10 lb of soil if the herbicide level in the soil in a corn field was observed at 3.0 ppb. ?
How do you think the use of quantitative methods related to these advantages and disadvantages? 2. How do forecast practitioners rank various forecasting models applied to any given problem? Which technique is used most often in practice and why?
What is the concentration of the compound in a solution whose absorbance at 291 nm is A = 0.095 with a sample pathlength of 1.00 cm?
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