document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=167829>Question 167829</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Calculate the number of joules of heat energy required to heat 48.3 g of aluminum from 55.0° to 79.9°C.<BR>\n" );
document.write( "_____J?. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124722 by </B><A HREF=/tutors/aboutme.mpl?userid=303795><B>303795(602)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=303795><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=124722\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The energy required to heat a substance is given by the formula<BR>\n" );
document.write( "E = m x c x (delta)t where<BR>\n" );
document.write( "E = Energy in J<BR>\n" );
document.write( "m = Mass in kg<BR>\n" );
document.write( "c = specific heat in J kg&#8722;1 K&#8722;1 <BR>\n" );
document.write( "and (delta) T is the difference between the two temperatures.<BR>\n" );
document.write( "The specific heat of aluminium (according to wikipedia is 897 J kg&#8722;1 K&#8722;1 so<BR>\n" );
document.write( "E = m x c x (delta)t<BR>\n" );
document.write( " = 48.3/1000 x 897 x (79.9 - 55.0)<BR>\n" );
document.write( " = 48.3/1000 x 897 x 24.9<BR>\n" );
document.write( " = 1080 Joules </SPAN>\n" );
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