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Draw a cube and Cartesian axes. All points of the cube lie in the (+,+,+) octant of the coordiante system. Determine the angle (in degrees) between the vectors OA and OC
Imagine two 5.0 g bags of protons, one at the earth's north pole and the other at the south pole. Calculate the electrical repulsion
A conducting sphere that carries a total charge of -9.1 µC is placed at the center of a conducting spherical shell that carries a total charge of +1.7 µC. Determine the charge on the out
Consider the following thermochemical equations : 8Mg(s) + Mg(NO3)2(s) ? Mg3N2(s) + 6MgO(s) ?H°rxn = -3884 kJ Mg3N2(s) ? 3Mg(s) + N2(g) ?H°rxn = +463 kJ 2MgO(s) ? 2Mg(s) + O2(g) ?H°rxn =
The frequency of vibration in a quartz watch is 33 kHz. What is the energy required to excite this vibration? Also compute omega for this vibration.
Two charges are separated by a distance d and exert mutual attractive forces F on each other. what are the new mutual forces
Assume ^35^Cl_2_ is a harmonic oscillator( it is slightly anharmonic). If K=329 N/m compute the zero-point energy for this molecule. ^35^Cl= 34.9688g/mol.
Calculate the values for Z1 and Z11 for mercury (Hg) vapor at 40 degrees C at P = 0.10 atm. How does this quantity depend on pressure
A 0.200 L sample of H2 is collected over water at a temperature of 298 K. Atmospheric pressure is 99.00 kPa. Water has a vapor pressure of 23.00 Torr at this temperature. What is the mass of the sam
When the stopcock between the manifold and the flask is opened, the pressure in the system is 287 torr. Assuming no temperature changes, what is the volume of the manifold
Develop an argument to be delivered to the hospital board about the types and capabilities system of telemedicine you might adopt. How would you explain the similarities and differences between type
The right arm is open to the atmosphere (Patm=783.0 Torr) and the height of the mercury in that arm is 40.00 cm. What is the pressure of the sample of gas
A ball is thrown straight upward and reaches the top of its path in 1.71 s (before it starts to come back down). At what speed must the second ball be thrown
Define the composition of solid waste and how has the consumption of plastics and paper products changed in the last 30 years? State possible reasons for such changes.
which obeys the Van der Waal's equation. Investigate graphically using appropriate software (like Maple) the behavior of Z above and below the Boyle temperature. Obtain an expression for the Boyle t
A hypothetical gas obeys the equation P=RT/(V-b)-a/V. Does this gas exhibit a critical point? Why or why not
A J tube is filled with air at 22C and 760 Torr. The long arm is closed off at the top and is 100 cm long. The short arm is 40 cm. Mercury is poured into the short arm with a funnel. What is the pre
Calculate the mean free path and the binary number of collisions per liter per second between HI molecules at 300 K and 1.00 atm. The collision diameter of the HI molecules may be taken to be 5.10 A
How much heat is required to raise the temperature of a mole of oxygen from 298 to 3000 K at constant pressure
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. what is the length (in m) of the fiber
Write the balanced chemical equation for the following reaction. Phases are optional. Solid iron(II) hydroxide decomposes to form solid iron(II) oxide and liquid water.
Would you drive there and buy it, how does your decision benefit you and what is the opportunity cost of your decision?
Two capacitors are connected in series. Let 3.40mF be the capacitance of first capacitor, Calculate the potential difference across each capacitor
How much heat is required to raise the temperature of a mole of oxygen from 298 to 3000 K at constant pressure. The book gives the following values for Cp (specific heat at constant pressure): 29.37
If it takes you about 2 minutes to fill your 12 gal (or 0.48 m3) gas tank. Estimate the velocity of the gas as it leaves the nozzle