What is the oh- of a buffer that consists of 0700 m
What is the [OH-] of a buffer that consists of 0.700 M methylamine CH3NH2 and 0.848 M methylammonium chloride CH3NH3Cl? pKb of methylamine is 3.35. Use E notation and 3 significant figures.
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How can I find the pH and volume (mL) of 0.0411M KOH needed to reach the equivalence point in the titration of 23.4mL 0.0390M HNO2? The question doesn't give me a Ka or Kb value.
In July 2005, NASA's "Deep Impact" mission crashed a 372-kg probe directly onto the surface of the comet Tempel 1, hitting the surface at 37000 km/h. What change in the comet's velocity did this collision produce
find the Laplace transformation to find the v(t) that satisfies the following firs-order differential equation : a) 500 dv(t)/d(t) +2500 v(t)= 0 , v(-0)= 100V b) dv(t)/d(t) +200v(t)= 400u(t)V , v(-0)= -100V
A stock has the required rate of return at 16%. The most recent dividend paid D0 = $2.00 and the expected dividend growth rate g = 10%. What's the first dividend expected to pay at the end of this year?
You are at the controls of a particle accelerator, sending a beam of 3.90×107m/s protons (mass m ) at a gas target of an unknown element. What is the speed of the unknown nucleus immediately after such a collision
Using straight line depreciation, calculate depreciation expense for the first year.
Suppose that you wish to offer a voice over IP wireless service. The target packet error rate (or drop rate) is 10^3 and you determine that if the signal is confined to within a coherence band, about 20% of the packets are dropped due to fading.
The standard reduction potentials listed in any reference table are only valid at standard-state conditions of 25 C and 1 M. To calculate the cell potential at non-standard-state conditions, one uses the Nernst equation
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