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Use oxidation states to identify the oxidizing agent and the reducing agent in the following redox reaction. Express both answers as chemical formulas. 1. 2Na(s)+2H2O(l)--->2NaOH(aq)+H2(g)
Given Radon has a density of 9.73 g/L, How many cubic Nanometers of radon would you need if you wanted 43.780g of radon?
Comment on the difference between the impure and crystallized sulfanilamide. What does the difference indicate about your ability to perform an effective crystallization
a sample of oxygen occupies 1.00 x 10^6 mL at 575 mm Hg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temperature is held Constant.
The half life for the first order decay of 99Mo is 66.02 hours. How long will it take for a sample of 99Mo to decay
If composite, define each simple sub-system and the internal restraint. If the vessel is shaken vigorously. Is the system then a simple or composite system?
A mixture of nitrogen and liquid ethanol in a closed constant-volume container has a partial pressure of 101 mm Hg of nitrogen and 66.2 mmHg ethanol at 27 C (300 K)
If 32 mL of 6.8 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid ?
Calculate the energy required to keep lightbulb burning for 3 hours in each of the energy units of Joules and Kilocalories
You are given an impure sample of a phenol and asked to purify it. You ask for information about the suspected impurities, but it seems no one really knows.
A 250 g yo-yo is swung on the end of a50 cm string at a constant speed of 4 m/s. What is the centripetal force acting on the yo-yo?
After the resulting reaction was complete, back titration required 10.40 mL of 0.1212 M NaOH. Assuming that the tablet contained only calcium carbonate and an inert binder calculate the mass of calcium carbonate and mass percent of calcium carbona..
The two molecules have the same molecular geometry but different electron pair geometries. The two molecules have different electron pair geometries. The two molecules have the same electron pair geometry but different molecular geometries.
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