Friday
May 6, 2016

# Posts by Ld

Total # Posts: 12

Chemistry
no the answer above is wrong , u cannot assume[HA]+[A-]=0.1 recall back the formula of ionic strength ,then formed two simultaneous equation and solve it
March 19, 2013

Math
A picture must be hung on a wall were the distance from the floor to ceiling is 8 feet. The center of the picture mist be 5 1/4 feet from the floor. Determine the distance from the ceiling to the top of the picture frame How do I do this solve this? Thanks! The picture is 24 ...
January 20, 2013

Math
I'm so sorry. The picture is 24 imcjes wide and 28 inches high
January 20, 2013

Math
A picture must be hung on a wall were the distance from the floor to ceiling is 8 feet. The center of the picture mist be 5 1/4 feet from the floor. Determine the distance from the ceiling to the top of the picture frame How do I do this problem? Thanks!!
January 20, 2013

Physics
as the weight held by a spring increases, the length of the spring increases proportionally. Suppose a 2-lb weight stretches a spring to 15 in., and a 12-lb weight stretches the same spring to 20 in. What is the length of the spring with no weight attached?
April 2, 2012

Chemistry
ya baby i hav the same question
March 5, 2011

Chemistry
what is the percent by volume of 15.0 mL of ethanol in 0.250 L of water?
October 28, 2010

Algebra 1
Randy, Sam, Tim and Will counted the number of puzzles they had solved in two months. Sam has solved twelve more than Tim. Randy had solved seventeen less than Sam.Will had solved twice as many as Randy. They have solved a total of 267 problems. How many puzzles did each ...
August 11, 2010

Social Studies
I need to find and label the largest sheep herding area in Argentina and provide the name of it.
August 26, 2009

Windows XP
You are assisting a salesperson who has called into the Help Desk with a problem. The user’s laptop has a single hard drive, and he is currently using the laptop on the road while visiting potential sales partners. At one sales site, the technical staff assisted the user ...
October 31, 2008

Muscular Energy
it is when u do work, u use ur muscles 2 do it .if ur muscles r weak u r able to do less work
February 18, 2007

spelling
thanks guys
January 16, 2007

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