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An experiment involves heating a very small sphere that is suspended by a fine string in air with a laser beam in order to induce the highest sphere temperature possible. After inspecting Equation 9.64, a research assistant suggests inducing a uniform downward airflow to exactly offset free convection from the sphere, thereby minimizing heat losses and maximizing the steady-state sphere temperature. In the limiting case of a very small sphere, what is the minimum value of the convection heat transfer coefficient expressed in terms of the sphere diameter and thermal conductivity of the air?
The difference between voltages measured when 71.1 mL and 22.1 mL of AgNO3 have been added is 0.3929 V. Using this voltage difference and your answers to questions (a), (b), and (c), calculate the numerical value of the quotient Ksp,AgCl/Ksp,AgI.
why the no. of electron changes by one or increases by one in
The 45.0 kg mass is now dropped from a height of 1.50 m into a cup containing 125 g of water. The water is initially at 20.0oC. Explain what will be the final temperature of the water. Specific heat of water: 4.184 J g-1 deg-1
A trisubstituted cyclohexane compound is given below in its chair conformation. Draw the corresponding planar (overhead) representation, using wedge-and-dash bonds to indicate the substituent positions
Calculate the mass deficiency in amu, binding enery in J/atom, and binding energy in MeV/nucleon for zinc-64, with an actual mass of 63.9291 amu.
What is the rate law and rate constant for the decomposition of HF at 25 degrees Celcius
what mass of ethanol ch3ch2oh should be dissolved in 450. g of water to obtain a freezing point of
how would entering into the global arena affect your business your region and the country as a whole? what are the
THe first equivalence point was reached after the addition of 15.25 mL of base. THe second equivalence point was reached after the addition of 30.98 mL. Find two values for the molarity of H3Y in the original sample.
oxygen gas is collected over water at 21 degrees c and an atmosperic pressure of 748 mm hg. what is the partial
In the acid-catalyzed dehydration of cyclohexanol, the mechanism requires only catalytic acid, but in the experiment we used large excess.
What is the equilibrium constant for the following reaction CO(g) + 2 H2(g) ? CH3OH(l); [CO] = 0.530 M and [H2] = 0.824 M
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