Wednesday
June 19, 2013

# Posts by Lina

Total # Posts: 133

Science
I forgot my book in my desk and have homework over the weekend!! HELP ME!

biochemistry
Calculate the pH change of 10mL of HCl added to 1M phosphate buffer in 1L with initil pH of 7.2?

28 bags of each

chem
Calculate the ph of a buffer solution that is 0.10M in ammonia and 0.15M in ammonium chloride .kb for ammonia is 1.8*10^-5

Physics
For constant acceleration, how does the average velocity for an interval compare with the instantaneous velocity at half-time in the interval?

a fish

physics
Your spaceship lands on an unknown planet. To determine the local value of g, you ask a steel-toed crew member to kick a stone, and you find that if she kicks it at 18.0m/s at various angles, the maximum range she can achieve is 30.8m. What is g on this planet? How long was th...

algrebra
6-9g-27+6g -3g-21

math156-proportions
cross multiply. So for #1 It becomes (4)(5) = 15x in the next step. then continue to find X

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