document.write( "Question 1021549: Can someone please help me with this homework question? I am stuck and do not know how to approach this question.\r
\n" ); document.write( "\n" ); document.write( "An X-ray photon of wavelength .978 nm strikes a surface. The emitted electron has a kinetic energy of 967eV. What is the binding energy of the electron in kJ/mol?
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Algebra.Com's Answer #637306 by ikleyn(52835) $\"\"$ $\"About$

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\n" ); document.write( "Can someone please help me with this homework question? I am stuck and do not know how to approach this question.\r
\n" ); document.write( "\n" ); document.write( "An X-ray photon of wavelength .978 nm strikes a surface. The emitted electron has a kinetic energy of 967eV. What is the binding energy of the electron in kJ/mol?
\n" ); document.write( "[KE=1/2 mv^2; 1 electron volt (eV)= 1.602 x 10^-19 J]
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\n" ); document.write( "\n" ); document.write( "The most general thoughts.\r
\n" ); document.write( "\n" ); document.write( "It is a photoelectric effect. See, for example, this Wikipedia article.\r
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document.write( "The energy of the photon is  = , \r\n" );
document.write( "    where h is the Plank's constant,  is the photon frequency,\r\n" );
document.write( "     = ,\r\n" );
document.write( "    c is the speed of light,  = wavelength.\r\n" );
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document.write( "The binding energy of the electron is the difference  - kinetic energy of the electron.\r\n" );
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document.write( "This is the scheme.\r\n" );
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document.write( "To implement it accurately, you need pay attention to the dimensions of yours quantities.\r\n" );
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