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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You have just been hired. You learned during the interview that the facility was cited during the most recent survey for not providing adequate incontinent care
Design a press kit for a sport event (this may be a fictional event, or a real event from your institution) that includes a short press release.
Because you are certifying or hoping to certify in a content area that includes the Science of Teaching Reading standards, you must provide evidence
First thing in the morning, the DNS receives a report from Mrs. A's daughter that someone was rough with her mother during the night.
A child with a Wilms tumor has had surgery to remove a kidney and has received chemotherapy. The nurse should include which instructions at discharge?
A child has a desquamative rash of the hands and feet. Which additional finding should the nurse expect to observe with this rash?
What are the steps taken by the first police officer arriving at a crime scene?