A water sample was found to contain ca235 mgl and mg220 mgl
A water sample was found to contain [Ca2+]=35 mg/L and [Mg2+]=20 mg/L. Determine the water hardness in terms of mg/L CaCO3.and state whether it has low, medium or high hardness.
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Calculate the volume of glacial acetic acid (17.6 M) and weight of sodium acetate (mm = 82.03) that is required to make 102 ml of 0.2 M buffer at pH 4.85. The Ka of acetic acid is 1.4 x10^-5.
At equilibrium the concentration of NO in the vessel is 0.161M. At equilibrium the vessel contains N2, H2O and H2. What is the value of the equilibrium constant Kc for the following reactions?
A buffer solution is prepared by mixing 20.0 mL of 0.032 M benzoic acid C6H5COOH(aq) solution with 25.0 mL of 0.022 M NaC6H5COO(aq). What is the pH of the buffer produced? (Ka of benzoic acid = 6.2x10^-5).
How can your selected organization use quantifiable elements to evaluate, monitor, and control marketing effectiveness?
a)Determine I, VR, and Vc in phasor form. b)Calculate the total power factor, and indicate whether it is leading or lagging. c)Calculate the average power delivered to the circuit. d)Draw the impedance diagram e)draw the phasor diagram of the voltage
What phenomenon of the global marketplace is the Coralius VP championing with her global brand-building strategy and what promotional initiative is the best option for Coralius?
Describe the three strategies you can implement that your firm can use to manage diversity and multiculturalism.
Discuss the advantages and disadvantages of the using groups to make decisions.
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Phrenologists believed that relatively small bumps and indentations on the skull indicated personality traits but this assertion was inconsistent
content area top Part 1 Which one of the following techniques for substance use disorder treatment can be described as a? "client-centered,
Each discipline has created a large number of concepts that constitute its technical jargon or terminology. Introductory disciplinary textbooks are excellent
As part of the core belief or value system establish What are the success indicators for the Kansas Department for Children and Families?
Your Director has informed you that a new child has been enrolled in the program and will start in your classroom the following week.
Describe people with borderline personality disorder. Multiple select question. The image they have of themselves is stable
If a child comes to school with pink eye, what should you do? Tell the parent they must stay home and cannot return until 24 hours after treatment