Engineering, 12.02.2020 23:28 reycaden
Here is a recipe for making synthetic Lake Tahoe water. Assuming that all of the salts dissociate into their respective ions (i. e., you get Ca2 , SO42-, K , Cl-, Mg2 , Na , and HCO3-), calculate the mole fraction of sulfation the final mixture. SaltMass added (grams per 5 gallons)CaSO40.516KCl 0.0095MgSO41.057NaHCO3(baking soda) 0.36Solve this problem using the approximation that all the ion molar concentrations are negligibly small compared to water. (Notethat there are two sources of SO42-.)
Answers: 1
Engineering, 04.07.2019 16:10
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
Engineering, 04.07.2019 19:10
The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
Answers: 1
Here is a recipe for making synthetic Lake Tahoe water. Assuming that all of the salts dissociate in...
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