Sunday
May 26, 2013

# Posts by Jess

Total # Posts: 745

Volume of a solid - calculus
Find the volume of the solid generated by revolving the region bounded by the curves: y=2 Sqrt(x), y=4, x=0 about the x-axis

calculus
Find the volume of the solid generated by revolving the region delimited by 5x+5y=40, y=0, and x=0 about the x-axis.

math
If the government finances \$184 billion worth of 20 year old bonds at a fixed rate of 1.8% compounded quarterly , how much will it have to pay back when the bonds mature?

la serra hs
population of N = 10 scores has a mean of μ = 80. If 5 points are added to every score in the distribution, what is the value of the new mean

Chemistry
What is the mass, in grams, of NaCl formed from the reaction of 2.75 mL of a 6.00 M Na2SO4 solution and 8.30 mL of 2.5 M solution of HCl?

Chem
The electrochemical cell described by the balanced chemical equation has a standard emf of -0.25 V. Calculate the value (kJ) for the ΔG˚ of the cell. Round your answer to 3 significant figures. MnO2(s) + Pb2+(aq) → Mn2+(aq) + PbO2(s) St. Red. Pot. (V) PbO2/Pb2+...

Chem
The galvanic cell described by the cell notation has a standard emf (electromotive force) of 4.05 V. Calculate the value (kJ) for the ΔG˚ of the cell. Round your answer to 3 significant figures. Mn(s) l Mn2+(aq) ll F2(g) l F-(aq) l Pt(s) St. Red. Pot. (V) Mn2+/Mn -1....

calculus
1/sqrt(x^2 - 4)

Chemistry
Calculate the amount of heat in kcal it would take to convert 1.45 mol of ice at 0 degrees C to steam at 100 degrees C.

chemistry
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s) + H2O(l) ¨ Ca(OH)2(s) In a particular experiment, a 2.00-g sample of CaO is reacted with excess water and 2.14 g of Ca(OH)2 is recovered. What is the percent yield in this ...

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