Recently Asked Questions

• Mole concept
  Radium disintegrates at an average rate of 2.24*10-3 alpha particles per minute. Each alpha particle takes up 2 electrons from the air and become a neutral He atom. After 420 days,He gas collected was 0.5 ml,measured at 27°C ...
  0·1· #Chemistry#Physical Chemistry
  asked2011-06-22 09:42:23
• solution of equation
  2x+2| x |≥ 2 2 plz also give me detailed explanation of answer........ ...
  0·4· #Mathematics#Calculus
  asked2011-06-17 00:34:29
• electric field prob
  a point charge q= -8 nC is located at the origin. Find the electric field vector at the point x=1.2m & y= -1.6m? ...
  0·2· #Physics#Electricity and magnetism
  asked2011-05-14 00:01:42