Sunday
May 26, 2013

# Posts by chris

Total # Posts: 1921

Chemistry
How many grams of NH4Br(Molar Mass=98g)are in 440.0 mL of 1.75Moles NH4Br

Chemistry
A Serum taken from a patient being treated with lithium for manic-depressive illness was analyzed for lithium concentration. A reading of 291 units was obtained for the intensity of the 671 nm red emission line. Then 1.00 mL of a 11.7 mM Lithium standard was added to 9.00 mL o...

science
If you are titrating 25.00 mL of a 1.00mg/ml CaCO3 solution, how many mL of 0.010M EDTA solution will be required to reach the equivalence point

Physics
A specimen has .625 the amount of carbon 14 you would find in a living specimen. How many half-lives has the specimen been through? How old is the specimen?

Physics
A specimen has .625 the amount of carbon 14 you would find in a living specimen. How many half-lives has the specimen been through? How old is the specimen?

Physics
A specimen has .625 the amount of carbon 14 you would find in a living specimen. How many half-lives has the specimen been through? How old is the specimen?

Basic Chemistry (Science)
Determining Chemical Formulas? This was on my test a few days ago for Basic Chemistry, I received 8/20 and I'd really like to see how to work these problems out. *PLEASE SHOW WORK*. Their are four parts to this, If anyone could answer all four with easy explanations and sh...

chemistry
Determining Chemical Formulas? This was on my test a few days ago for Basic Chemistry, I received 8/20 and I'd really like to see how to work these problems out. *PLEASE SHOW WORK*. Their are four parts to this, If anyone could answer all four with easy explanations and sh...

Honors Application
I am filling out an Honors application for English/History and one of the questions asked why do I wish to take this course.. any ideas? Thanks My ideas are: I want want to take this course because I want to take a class that is a bit more advanced than regular classes.

Biology