Draw the lewis structure of the perbromate ion
Draw the Lewis structure of the perbromate ion with an octet on bromine and one example of each resonance form with an expanded octet on bromine. Using formal charges, determine the best structure for this ion.
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Cooling air at 25oC flows through the fin array with a heat transfer coefficient of 28 W/m2K. Calculate the temperature of the base of the semiconductor. Use k = 175 W/m-K for the aluminum.
Compare the bond order of the carbon-to-carbon bond in the diatomic molecule C2 that you would establish from a Lewis structure and from a molecular orbital diagram. Why are the not the same?
Estimate the temperature at which the top land (very top of the piston) would be touching the liner that is kept at a constant 100 degrees Celsius by a coolant.
If the mass of the point charge is 5.5 kg, how far does the charge travel before it stops due to the electric force alone (ignore weight force)? Answer in meters
Determine the inertia force required to move the piston at 6,000 rpm and the required valve spring force when operating at 6,000 rpm.
The frictional losses in the pipeline are two times the velocity head in the pipeline. The flow in the pipeline is turbulent. What is the pressure in the pipeline?
If the pressure exerted by ozone, O3, in the upper stratosphere is 2.28 torr of Hg and the temp is 250k, how many molecules of ozoneare in one liter? (1 mole of any gas contains 6.022 x 10^23molecules)
If the initial velocity of the ball is horizontal, what minimum magnitude must it have if the ball is to clear the net?
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