mysql_connect("localhost",$dbuname, $dbpass); mysql_select_db($dbname); $resultx = mysql_query("SELECT * FROM ips WHERE ips = '$ip'"); $nrowsx = mysql_num_rows($resultx); if ($nrowsx == 0) { //IP is not in DB so we will insert it mysql_query("INSERT INTO `$dbname`.`ips` ( `ips` ) VALUES ( '$ip')"); //and stuff here afterwards echo ""; } } ?> 2008 June | Walking Liberty Half Dollar

Archive for June, 2008

A constant electric current deposits 0.365 g of silver metal in 12960 seconds from solution of silver nitrate?

Posted in Walking Half News on June 19th, 2008 by bud – Be the first to comment
john s asked:


This is a question i have no idea how to do. If you could help in any way i would really appreciate it!

What is the current? What is the half reaction for the deposition of silver? Molar mass of Ag is 107.9.

Thanks!

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