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What is the empirical formula of the comound composed of 42.580% carbon, 7.147% hydrogen, and 50.273% chlorine?
Predict whether zinc and silver react with 1 M sulphuric acid to give out hydrogen or not. Given that the standard potentials of zinc
discharged into a small stream saturated with oxygen from the air at 25 celcius. How many liters of this water could be contaminated to the extent of removing all the dissolved oxygen by biodegradation?
Calculate the mass (in grams) of sodium azide required to generate enough nitrogen gas to fill a 57.0-L air bag at 1.37 atm and 25.0 degree C
For the reaction shown, calculate how many grams of each product form when the following amounts of reactant completely react to form products. Assume that there is more than enough of the other reactant.
A sample of carbon monoxide gas whose mass is 7.75 g is heated from 25 oC to 166 oC at a constant pressure of 5.52 bar.
Nuclides below the valley of stability can become more stable through which of the following processes
A 1.20 gram sample of dry ice is added to a 755mL flask containing nitrogen gas at a temperature of 25.0 degrees Celsius and a pressure of 725 mmHg. The dry ice is allowed to sublime and the mixture is allowed to return to 25.0 degrees Celsius. wh..
A 1L flask is filled with 0.25 mol N2and 0.65 mol H2 at 20 oC. These gases react to make NH3, heating up the flask to a temperature of 45 oC.
Consider the titration of 80.0ml of 0.100M Ba(OH02 by 0.400 M HCl. Calculate pH of the resulting solution after 20.0mL of HCl is added.
You are the chief environmental officer of an industrial operation of your choosing. Describe your operation, its different components or stages, the materials used and the type of wastes generated.
assume that the activation energy for a certain reaction is 173 kjmol and the reaction is started with equal initial
The common forms of nitrogen and phosphorus are N2(g) and P4(s) respectivly. Account for the difference in terms of the single and multiple
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