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A spherical interplanetary probe of 0.5-m diameter contains electronics that dissipate 150 W. If the probe surface has an emissivity of 0.8 and the probe does not receive radiation from other surfaces, as, for example, from the sun, what is its surface temperature?
What is the mole fraction of acetone, C3H6O, in the vapor phase from a solution consisting of a mixture of acetone and ethyl acetate, CH3COOCH2CH3, at 30.00 °C, if the total pressure above the solution is 184.6 torr?
Combustion analysis of naphthalene, a hydrocarbon used in mothballs, produced 8.80 CO2 and 1.44 H2O. Calculate the empiracle formula for naphthalene.
Given the hypothetical redox reactions involving substances A, B, and C: A + B+ g? A+ + B C + A+ g? C+ + A B + C+ g? no reaction What is the arrangement of the substances in their order from strongest reducing agent to weakest reducing agent
How many hours are required for .235 mol of electrons to flow through ta circuit if the current is 1.68 A
what is the vsepr formula for the nitrogen atom as the central atom in
The antibacterial agent sulfamethoxazole is an unionized acid with a pKa of 5.0. What is the ratio of this drug in buffered gastric fluid of pH 3.0. What is the percent ionized to unionized
Use the Boltzmann equation to calculate the excited-state and ground-state population ratio for HCl (g*/g0=1) at room temperature (25 oC). The frequency of the absorption from the ground to the excited state is 2885 cm-1. What is the population ra..
What is the maximum number of orbitals that can be identified by each of the following sets of quantum numbers?
0.330 mol of HI are introduced to an evacuated 3.00l reaction vessel. at a specific temperature,the rquilibrium constant is 0.0156. Calculate the concentration of all substances at equilibrium.
what is the freeenergy change for the equilibrium between hydrogen iodide hydrogen and and iodine at 453deg? i
Imagine that you have a 5.00L gas tank and a 4.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
A typical home uses approximately 2000 kWh of energy per month. If the energy came from a nuclear reaction, what mass would have to be converted to energy per year to meet the energy needs of the home
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