Calculate the heat of reaction for 2pbs 3o2 yields 2pbo
calculate the heat of reaction for 2PbS +3O2 yields 2PbO +2SO2 given the following information. PbS= -93.3 kj/mol. PbO=-219.7. SO2=-296.6. O2 = 0. I got -846kj, is that correct
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Sewage flows through a 12" diameter pipeline then through an 18" diamenter pipeline. The flow is the same (unknown) value in each pipe, and the slope is the same (unknown) contant value for both pipes.
use electron configurations to rationalize the octet cule. show how it works with covalent and ionic bonds
The aluminum bar has an electrical coil imbedded in it, so that known amounts of heat can be transferred to it. Aluminum has a specific gravity of 2.70 and a specific internal energy given by the formulaU (kJ/kg)=0.94T(C).
Solve for Cash Flows in a finance problem. The question states : Abrey has a lease with 5 years remaining, and pays 2500 at month for rent.
Write the equilibrium expression for this weak acid dissociating in water? b. What is the pH of the solution after it had reached equilibrium
Which of the following reactions would be classified as oxidation-reduction? 2Na(s)+Cl2(g)-----2NaCl(s) Na(s)+CuCl(aq)-------NaCl(aq)+Cu(s) NaCN(aq)+CuCl(aq)NaCl(aq)+CuCN(s)
Calculate the number of moles of aluminum, sulfur, and oxygen atoms in 8.00 moles of aluminum sulfate Al2(SO4)3 . Express the number of moles of Al, S, and O atoms numerically, separated by commas.
A transformer takes 120V (RMS) from a household circuit and drops it to supply a secondary circuit at 8V (RMS) to power a dorbell at 3.75A (RMS). What is the peak current in the primary coil of the transformer
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Keeping in mind your answers above, provide a clear, concise definition for violence that should be used when watching the video.
In the United States, we expect that cab drivers will know how to get around a city. This expectation is an example of which of the following?
Problem: Rural-to-urban migration in Latin American cities often results in large squatter settlements surrounding the city.
Discuss specific examples of environmental disparities or injustices that exist in your local community or region.
Although divorce seems very common, it is very complicated. What are some of the changes and decisions that must be made
Assess societal standards and stereotypes regarding social media. Examine cultural issues of race and ethnicity in regards to social media.
During this module, you were to do an experiment using your own social media (Module 03 Activity). Looking back at your social media experiment from the week