Tuesday
May 21, 2013

# Posts by jo

Total # Posts: 345

chil development
keeping systematic record of observations of children provid useful information for

math
Can you show 2 hundredths using only tenths place value blocks?

child development
agood technique to prevent children from talking to you while you,re observing is to.

Biology
Inducible

Biology
Inducible

Shelving units
The average thikness of a medical chart is 1/4 inch. If a practice has 1200 patients with each chart 1/4 inch thick, how many shelving units will it take if a unit can hold 368 inches.

math
there Are four children in a family, the sum of the squares of the ages of the three youngest children equals the square of the age of the oldest child. How old are all the children.

Calc
A paper cup is to be designed in the shape of a right circular cone. It must have a capacity of 12 fluid ounces (1 fluid ounce = 1.80469 cubic inches) of soft drink but it must use a minimum amount of material in its construction. What should the dimensions of this paper cup b...

Chemistry
Use Ksp to find the concentration of an ion in a saturated solution. Consider a 2.50E-3 M solution of Al2(SO4)3. (a) What [OH^-] is required to initiate precipitation of Al^3+ from the solution? (b) What [OH^-] is required to lower the [Al^3+] to 2.00E-7 M ?

Chemistry
Given a diprotic acid, H2A, with two ionization constants of Ka1 = 3.9× 10–2 and Ka2 = 5.9× 10–8. Calculate the pH and molar concentrations of each protonated form for a: (a)0.135 M solution of H2A pH= [H2A]= [HA]= [A2-]= (b)0.135 M solution of NaHA pH= [...

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