Percents</title. </HEAD> <BODY bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#0000bb" alink="#ff0000">  <CENTER> <table border=0 width=100% cellspacing=0 cellpadding=3>  <tr> <td align=left width="10%" valign=top bgcolor="#77aaee">  <img src="../../aspirin.gif" width=125 height=125><p> <hr><center> <a href="../../index.html" ONMOUSEOVER="window.status='Back to where you started!'; return true"><b>HOME</b></a> </center> <hr> <p> <b>Course Chapters</b> <p> </CENTER> <a href="index.html">Calculator Fundamentals</a><p> <a href="../index.html" ONMOUSEOVER="window.status='Part 1: Mathematics Review'; return true">Mathematics Review</a><p> <ul> <li><a href="../numbers/index.html">Numbers and their Properties</a><br> <li><a href="../science/index.html">Numbers in Science</a><br> <li><a href="../r_p/index.html">Ratios and Proportions</a><br> <li><a href="../units/index.html">Units, Dimensions and Conversions</a><br> <li><a href="../perc/index.html">Percents</a><br> <li><a href="../stats/index.html">Simple Statistics</a><br> <li><a href="../logs/index.html">Logarithms</a><br> </ul><p> <a href="../../basic/index.html" ONMOUSEOVER="window.status='Part 2: Basic Concepts'; return true">Basic Concepts</a><p> <a href="../../advanced/index.html" ONMOUSEOVER="window.status='Part 3: Advanced Concepts'; return true">Advanced Concepts</a><p> <hr> <b>Section Tests</b> <p> </CENTER> <a href="../../../../cgi-bin/unchem/PreTest.cgi/" ONMOUSEOVER="window.status='Pretest'; return true">Pre-test</a><p> <a href="../../../../cgi-bin/unchem/PostTest.cgi/" ONMOUSEOVER="window.status='Post-test'; return true">Post-test</a><p> <hr> <CENTER> <b>Useful Materials</b><p> </CENTER> <a href="../../glossary.html" ONMOUSEOVER="window.status='Glossary'; return true">Glossary</a><p> <hr> <b>Online Calculators</b> <br> <p> <a href="../../advanced/redox/redoxcalc.html" ONMOUSEOVER="window.status='Redox Calculator'; return true">Redox Calculator</a><p> <a href="../../advanced/kin/arrhenius.html" ONMOUSEOVER="window.status='Kinetics Arrhenius Calculator'; return true">Kinetics Arrhenius Calculator</a><p> <a href="../../advanced/thermo/thermocalc.html" ONMOUSEOVER="window.status='Thermodynamics Calculator'; return true">Thermodynamics Calculator</a><p> <a href="../../advanced/nuc/nuccalc.html" ONMOUSEOVER="window.status='Nuclear Decay Calculator'; return true">Nuclear Decay Calculator</a><p> <a href="../../advanced/lls/leastsq.html" ONMOUSEOVER="window.status='Linear Least Squares Regression'; return true">Linear Least Squares Regression</a><p> <a href="../../advanced/newton/nmethod.html" ONMOUSEOVER="window.status='Newton Method Equation Solver'; return true">Newton's Method Equation Solver</a><p> <a href="../../advanced/gas/compress.html" ONMOUSEOVER="window.status='Compressibility'; return true">Compressibility Calculator</a><p> <a href="../../unit_conv_tab.html" ONMOUSEOVER="window.status='Units Calculator'; return true">Units Conversion Calculator</a><p> <a href="../../basic/nomen/polycalc.html" ONMOUSEOVER="window.status='Nomenclature Calculator'; return true">Nomenclature Calculator</a><p> <hr> <b>Related Information Links</b><br> <p> <a href="http://www.ti.com/calc/" ONMOUSEOVER="window.status='Texas Instruments Calculators'; return true">Texas Instruments Calculators</a><p> <a href="http://www.casio-usa.com/html/products/cproducts.html" ONMOUSEOVER="window.status='Casio Calculators'; return true">Casio Calculators</a><p> <a href="http://www.sharp-usa.com/products/office/calcsplash.html" ONMOUSEOVER="window.status='Sharp Calculators'; return true">Sharp Calculators</a><p> <a href="http://www.hp.com/handheld/calculators/index.html" ONMOUSEOVER="window.status='Hewlett Packard Calculators'; return true">Hewlett Packard Calculators</a><p> <hr align=center size=1 width=125> <CENTER> <a href="../../credits.html" ONMOUSEOVER="window.status='Project Credits'; return true">Credits</a><p> <a href="mailto:gotwals@shodor.org" ONMOUSEOVER="wators</a><p> <hr align=center size=1 width=125> <CENTER> <a href="../../credits.html" ONMOUSEOVER="window.status='Project Credits'; return true">Credits</a><p> <a href="mailto:gotwals@shodor.org" ONMOUSEOVER="window.status='Contact the webmasters of this site'; return true">Contact Webmaster</a><p> <hr align=center size=1 width=125> </td></CENTER>   <td valign=top>  </center> <CENTER><H2>Yet Another Problem 4</H2></CENTER> <H3>Multiple Choice Question:</H3> We want to test how good a computer simulation of atom bonding is by checking the computer's answer against a known theoretical result. A given carbon - hydrogen bond has a known length of 109.0 pm (pm = picometer) and the computer simulation gives the length for this bond as 110.2 pm. What is the percent error in the computed bond length? <CENTER><PRE>(A) .011% (b) 98.9% (c) 1.09% (d) 1.1%</PRE></CENTER> <BR> <BR> <H3>Solution: D</H3> <HR> <P> Have trouble with this one? Make a note to try problem 4 again and rework <A HREF="index.html">Percents</A>. <P> </table>  <P> <hr size=10 width=100% align=left> <address> <CENTER><font size=-1> Developed by<br> <a href="http://www.shodor.org"><img border=0 align=center src="http://www.shodor.org/UNChem/shodorsmall.gif">Shodor</a><br> in cooperation with the <a href="http://net.chem.unc.edu/">Department of Chemistry</a>,<BR> <a href="http://www.unc.edu">The University of North Carolina at Chapel Hill</a><P> Copyright © 1996-2008 Shodor<br/> Please direct questions and comments about this page to<br> <a href="mailto:webmaster@shodor.org">WebMaster@shodor.org</a><p> </font> </address> <hr size=10 width=100% align=left>  <script type="text/javascript"> var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); </script> <script type="text/javascript"> var pageTracker = _gat._getTracker("UA-321552-12"); pageTracker._trackPageview(); </script> </body> </html>