Which of these choices correctly lists ions in the order decreasing (strongest to weakest) order of attraction to clay colloids?
a. potassium - calcium - aluminum - sodium
b. potassium - aluminum - calcium - sodium
c. aluminum - calcium - sodium - potassium
d. aluminum - calcium - potassium - sodium
Ans: d. aluminum - calcium - potassium - sodium
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The production of polyamide from raw materials of plant origin, such as castor oil, requires 20% less fossil fuel than conventional production methods. Darvon Chemicals borrowed $6 million to implement the process. If the interest rate on the loan is 10% per year (on unrecovered balance) for 10 years, what is the amount of interest for year 2? Also, write the spreadsheet function that displays this same amount.
What will be an ideal response?
Determine the forces in all bars. Indicate tension or compression.
The power steering fluid is usually contained in a ________ reservoir
A) Cast iron B) Flexible C) Low mounted D) Remote mounted
Before beginning overhaul, it is vital to make sure the building is:
A. completely saturated with water B. structurally safe C. free of toxic gases and smoke D. thoroughly dewatered.