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Consider the combustion of one mole of H2 with 1/2 mole of O2 under standard conditions, as discussed in the text. How much of the heat energy produced comes from a decrease in the internal energy of the system, and how much comes from work done by the collapsing atmosphere? (Treat the volume of the liquid water as negligible.)
A canister is filled with 390 of ice and 100 of liquid water, both at 0.0 . The canister is placed in an oven until all the has boiled off and the canister is empty. How much energy in calories was absorbed?
Assuming the solution's final volume is 150.0 mL, the density is 1.00 g/mL, and the specific heat is 4.184 J/(g C), calculate the heat of the reaction.
Nitrate ions present in industrial waste waters should be removed before discharge of the solutions. Uchida as well as Okuwaki [Hydrometallurgy, 49, 297-308 (1998)] have proposed that lead metal can serve as a appropriate reducing agent for nitrat..
A solution is prepared by dissolving calcium chloride in water and diluting to 500.0 mL. If this solution contains 44 ppm chloride ions, the concentration of calcium ions is how many ppm
A particular smoke detector contains 2.85uCi of 241Am , with a half-life of 458 years . The isotope is encased in a thin aluminum container. Calculate the mass of 241Am in grams in the detector. detector.
What is the solubility (in g/L) of silver(I) iodide at 25ºC. The solubility product constant for silver(I) iodide is 8.3 × 10-17 at 25ºC.
Converse the utility of electronic configurations in relation to elements, ions, their formulae, their names as well as chemical reactions.
What bromination product(s) would you expect to obtain when the following compound undergoes ring mono-bromination upon reaction with Br2 and FeBr3. Only the organic product is required (draw the molecule)
A 25.00 mL sample containing Fe3+ was treated with 10.00 mL of 0.0367M EDTA to complex all of the Fe3+ and leave excess EDTA in solution. The excess EDTA was then titrated, requiring 2.37 mL of 0.0461M Mg2+ standard solution.
Imagine that you have a 5.00L gas tank and a 4.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
Conversion for a Specific Product, Indicate the reaction conditions you would employ to accomplish the following
Question- Why does a heavier molecule like O2 compared to N2 move at a lower average velocity. Temperatures are the same. I know 02's molecular mass is higher but why else
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