# BI 253 Lab 1st quiz

 A Kg is equal to how many grams? 1x10³ grams A mg is equal to how many grams? 1x10⁻³ grams A microgram is equal to how many grams? 1x10⁻⁶ grams A ng is equal to how many grams? 1x10⁻⁹ A cm is equal to how many meters? 1x10⁻² What is the conversion for ⁰F --> ⁰C? ⁰F = 1.8C + 32 What is the conversion for ⁰C --> ⁰F? ⁰C = ⁰F-32/1.8 The ____ variable goes on the Y axis. Dependent The ____ or ___ variable goes on the X axis. Manipulated Independent A discrete variable has ___ ___ & employs a ___ graph. Limited ValuesBar A continuous variable has ___ ___ & employs a ___ graph. Unlimited ValuesLine Define an acid. Substance that releases or causes release of H⁺ into solution There is a ___ difference between pH units. Tenfold Define a base. A substance that can remove H⁺ fr solution lowering concentration of H⁺ Explain buffer solution. Solutions containing components that enable the solution to somehow resist lg changes in pH when either an acid or base is added Authormedic11 ID170047 Card SetBI 253 Lab 1st quiz Description1st quiz material Updated2012-09-10T18:10:24Z Show Answers