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Why is the job of water quality technician important in society? Be specific.
Zinc phosphate (Zn3(PO4)2) has a solubility product constant Ksp = 9.0 x 10-33. What is the solubility of zinc phosphate in...pure water
How many kilojoules of heat are absorbed when 40.6 of mgo is decomposed into mg and O2 at constant pressure
A 100.0 g sample of aluminum released 1680 calories when cooled from 100.0C to 20.0C. What is the specific heat of the metal
When electrical current of unknown magnitude is run through the device for 3.50 min, 16.1 mL of water-saturated H_2(g) is collected. The temperature and pressure of the system are 25 degreesCelsius and 715 torr.
Working on a lab report and need to answer the question: why would any insoluble hydroxide tend to dissolve in acidic solution?
1 in an experiment we determined that the heat of areaction bw 1.0m naoh and 1.0m hcl 50.ml of the sodium
Write the ground-state electron configurations for the following elements. (Type your answer in noble gas notation using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.)
Equation 1-3 for multiple standard additions. Use that relationship further to obtain an equation for the unknown concentration cx in terms of the slope and intercept of the standard additions plot, similar to Equcation 1-4.
Which of the following statements is/are correct. a) Water is an example of non-polar solvent. b) Any solution always conatins an electrolyte c) NONE d) A solute is always molecules dissolved in water and cannot be ions.
Describe what is better for cleaning when a hard water is used, a soap or a detergent, and why?
If a water sample has a phosphate concentration of 2.0 x 10-6 M, at what calcium ion level will a precipitate of Ca3(PO4)2 begin to form if the Ksp = 1 x 10-25
Write a balanced chemical equation for the reaction between CN - and MnO4- in basic solution. The skeleton ionic reaction is given below.
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