Friday
May 24, 2013

# Posts by Jeremy

Total # Posts: 220

math
Never mind, I guess I misinterpreted the problem because the radius actually does change

math
Gravel is being dumped from a conveyor belt at a rate of 40 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 22 feet high? Here are th...

calculus
F(x)= ln (cos theta) f'(x)

Calculus
Find an equation of the tangent line to the curve at the given point y^2 = x^3 (2-x) (1,1)

Chemistry
For the oxidation of glucose ( C6H12O6 + 2O2---6H2O +6CO2), how many moles of O2 will it take to consume 6 moles of glucose. Can someone explain it?

Chemistry
The nuclide 96Nb decays by a first-order process with a rate constant of 2.96 × 10-2 h-1. How long will it take for 85% of the initial amount of 96Nb to be consumed? I believe it is 5.07 hrs...

Chemistry
In the first order, reaction A yields products, A=0.400M initially and 0.250M after 15.0 min. What is the value of the rate constant, k?

Chemistry
Is the bond in the molecular orbital energy level diagram of Li2 stable?

Chemistry
Why does I2 have a higher boiling point than F2? And why does NH3 have a higher boiling point than PH3?

Physics
A fire hose 10 cm in diameter delivers water at the rate of 23 kg/s. The hose terminates in a nozzle 3.1 cm in diameter. (a) What is the flow speed in the hose? (b) What is the flow speed in the nozzle?

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