Friday
December 13, 2013

# Posts by tara

Total # Posts: 306

Discuss generally the role of planning in each of the three levels of positive behavior support (PBS).

Describe two planning processes typically used in programs for children, youth, and families.

science
how do you make a phytoplankton at home

Physics
When I initially did it I got 2.23Hz.. which was also incorrect.

Physics
Original Question: A block hangs in equilibrium from a vertical spring. When a second identical block is added, the original block sags by 5.00 cm. What is the oscillation frequency of the two block system? bobpursley s'ltn: F=kx = mg x=mg/k but for the second block we hav...

Physics
A block hangs in equilibrium from a vertical spring. When a second identical block is added, the original block sags by 5.00 cm. What is the oscillation frequency of the two block system?

math
Consider a simple game in which you will roll a six-sided die and receive \$3.00 if you roll a 6. If it costs you \$0.90 for each roll, what is the expected value?

chemistry
a buffer is made by mixing 0.1 moles of acetic acd a sodium acetate in 500 ml of solution. determine the pH of the buffer. (Ka for acetic acid - 1.8E-5)

chemistry
the molar solubility of PbS, in a 0.150 M ammonium sulfide (NH4)2S solution is? The Ksp for PbS= 3.2E-28.

chemistry
calculate the pH of a 1.94M solution of nitrous acid (HNO2 - ka = 4.5E-4).

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