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1kg of wáter that is initially at 90 centigrados with a quality of 10 percent occupies a spring-loaded pyston -cylinder device,this device is now heated until the pressure rises to 800Kpa and the temperatura is 250 centigrados .Determine the total work produced during this process.
an activation energy of 43.6 kJ/mol, what will be the rate constant for this reaction at 75oC?
A titration was performed to standardize an EDTA solution. use the following data to calculate the molarity of the EDTA solution. A 50.00 mL aliquot of a standard solution containing 0.025000 M Ca^2+ required 39.92 mL of EDTA to reach a distinct b..
Explain why it takes longer time when anyone cook an egg in boiling water while camping at in elevation of 0.5km in the mountain than it does it home.
What is the pH of 0.549 M piperidinium iodide, C5H11NHI? The Kb of piperidine, C5H11N, is 1.3 x 10-3.
The new electronic configuration of neon -the atomic number of the element with a completed shell -the number of unpaired electrons in fluorine
What is the quantity of Fe2O3 that will be produced if 5.00g of FeS2 is reacted with 11.0g of oxygen according to the following reaction
Predict the products of and balance the redox reaction of molten sodium and molten magnesium chloride. Predict the products of and balance the redox reaction of molten magnesium and molten sodium bromide.
moist air exerts lower pressure and dry air exerts high pressure. how would the volume of the hydrogen gas that was ollectes been different if this eperiment was done on a very rainy day/ on a very dry day?
Question- Explain why more elimination occurs in competition with substitution in the preparation of t-butyl chloride than in the preparation of n-butyl bromide
Water is about 15% denser than oil, What implications does this difference have on: An oil-based fire hazard such as burning oil slick, and cleaning up an oil spill.
A certain gas has a volume of 200 dm3 at 27oC and 2 atmospheres of pressure. What is its volume at STP?
What is the percentage by mass of CH4 in the mixture. The standard enthalpies of combustion for CH4 and C2H6 are -890.3 kJ mol-1 and -1569.7 kJ mol-1, respectively.
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