The iodide ion is a dietary mineral essential to good nutrition. in countries where potassium iodide is added to salt, iodine de- ficiency (or goiter) has been almost completely eliminated. the recommended daily allowance (rda) for iodine is 150 mg/day. how much potassium iodide (76.45% i) should you consume if you want to meet the rda?

A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.