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237Np is the parent nuclide of a decay series that starts with alpha emission, follow by beta negative (-) emission, and then two more alpha emissions. Write a balanced nuclear equation for each step.
The reaction takes place at around room temperature in solvents such as. The specific rate constant at 293 is found to be and at 303 the specific rate constant is found to be.
Why is anhydrous sodium sulfate added to the organic solution remaining after the extractions with 6M NaOH
If you titrate a second 100.0mL portion of the Ag/Cu solution and add Cl- to precipitate out Ag+ leaving only Cu2+ in the solution, it requires 35.00mL of the same EDTA titrant to reach the endpoint. Calculate of both Ag and Cu in the original sol..
In tables of thermodynamic data provided in chemistry books, one finds delta Hf, delta Gf, and delta S listed. Briefly explain why the entropy data are supplied as S
Explain in detail why the sugar would cause the ice cubes to melt while it causes the temperature to drop. Is this related to freezing point depression? please explain.
What is the mass in grams of 4.12 moles of CaCO3. How many moles are in 75.0g of CCl4
The equilibrium system H2 + I2 ? 2HI has equilibrium constant K = 6.2. Starting from the nonequilibrium state [H2] = 0.3 M, [I2] = 0.5 M, and [HI] = 0.7 M, what are the concentrations of the three molecules when equilibrium is established
What problems might arise if a hot solution is filtered by vaccum filtration. What is meant when aniline is referred to as the "limiting reagent" in the reaction with acetic anhydried
A sample of oxygen gas has a volume of 131 L at 25°C and a pressure of 0.982 atm. Calculate the volume of this oxygen sample at STP.
What is the molar solubility of AgCl in water. For AgCl, Ksp=1.8 x 10-10. Give your answer in moles per litre, accurate to two significant figures
What is the molarity of a solution made by mixing 213.6 ml of 1.5 M NaCl with 328 ml of 4.3 M NaCl.
How much energy is evolved in the transition from the n = 2 to the n = 1 level for 0.5 mole hydrogen
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