Wednesday
December 11, 2013

# Posts by ali

Total # Posts: 442

physics
a 2kg and a 4kg hang freely at opposite end of a light in-extensible string which passes over a small and light pulley fixed to a rigid support.calculate the acceleration of the system. a.3.3M/S square b.2.67m/s square c.4.41m/s square d.2.67m/s square.

physics
a 2kg and a 4kg hang freely at opposite end of a light in-extensible string which passes over a small and light pulley fixed to a rigid support.calculate the acceleration of the system.

Thermodynamics
Suppose an enzyme lowers the activation energy by an order of magnitude. What is the ratio of catalyzed rate to the uncatalyzed rate at at 25 °C? at 37 °C?

Honors Chemistry
1. 5 2. 1.0 x 10^-5 3. 2.5 4. 12 5. 1.26 x 10^-9

math
The perimeter of a rectangular pool is 84 feet. The width of the pool is half the length. What are the measurements of the rectangular pool?

trig
if cot(x-10)=tan(4x) what does x equal?

chemistry
how do you do electron dot diagrams?

Math
4*10=40 slices of bread. 18 ppl eat 2 slices each, making 36 eaten 36/40 slices were eaten

Chemistry--Plz HELP!
How would i go about balancing the following equation? My teacher said something about the charges: Silver Nitrate + Sodium Phosphate = Silver Phosphate + Sodium Nitrate

Chemistry-Stoichiometry
A 1.146 mixture of the solid salts Na2SO4 and Pb(No3)2 forms an aqueous solutionwith the precipitation of PbSO4. The precipitate was found to weigh 0.672g. The limiting reactant is Na2SO4. What is the percent by mass of each salt in the mixture?

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