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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With reference to interviews with people involved in the riots, compare and contrast thematic analysis and narrative analysis
Hopefully, you enjoyed this class on Digital Media and Society. Question #1: Has your impression of digital media and society changed after taking this class?
The three (3) key concepts I learned and understood this week are Intercultural Adroitness, Cultural Intelligence and Intercultural Sensitivity.
This week's readings helped me better understand how communication works across cultures and why intercultural competence is important in diverse environments.
Subsequently, in "The Evolution of Depravity," Judson examines how the various histories of behavioral expressions and the consequences
Complete a write up, similar to the example below- The participants in this study were of multiple ethnic and religious backgrounds.
Problem 1: Suppose that you are going to conduct a research project about the problem of theft on campus.