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When 1.00 moles of HI(g) is sealed in 1.00L flask at 225 degrees Celcius, it decomposes until the equilibrium amount of I2(g) is 0.182 moles. Calculate Keq using this information. The decomposition reaction is HI(g)=I2(g) +H2(g).
maleic anhydride gives a compound A that undergoes acid-catalyzed dehydration to give 3,6-dimethylphthalic anhydride.
The standard molar enthalpy of vaporization for water is 40.79 kJ/mol. What mass of steam is required to release 500. kJ of energy upon condensation? (Molar mass of water is 18.02 g/mol.)
Problem- What is the percent yield of the reaction in which 76.0 g tungsten (VI) oxide (WO3) reacts with excess hydrogen gas to produce metallic tungsten and 7.88 mL of water (d= 1.00 g/mL)
The equilibrium constant for a reaction at 800K is 14.2. If the enthalpy of the reaction is 30 kj/mole, what would be the equilibruim constant
Calculate the freezing point of a solution of 23.4 grams of benzoic acid (C6H5CO2H) dissolved in 613 grams of naphthalene.
if potassium bromide of 25.5 grams is dissolved in enough H 2 O to make 1750 mL of solution, determine the molarity of the solution?
Assuming complete dissociation of the solute, how many grams of must be added to 275 of water to produce a solution that freezes at 14.5? The freezing point for pure water is 0.0 and is equal to 1.86
A single celled animal lives in a fresh water lake. The cell is transferred into ocean water. Does it stay the same, shrink, or burst. Explain why.
Problem 2.2 The temperature of 1.30 mol of an ideal gas increases from 10.4 celciusto 48 .8 celcius as the gas is compressed adiabatically. Part A Calculate q for this process, assuming that .C=3R/2 Express your answer to one significant figure an..
In the parent involvement study (Deslandes & Bertrand, 2005), the authors reported results for parent involvement at home for ninth-grade students. They say that the statistical analysis of the independent variables and the level of parent involvemen..
Problem- Another common electrode is called the calomel electrode which is given by the following equation and has an E(not)cell=.268 V, H2(g, 1 bar) + Hg2Cl2 = 2H+(aq) + 2Cl-(aq 1 M) + 2Hg(l)
Compare the 2p electrons in nitrogen to the 2p electrons in oxygen (both at ground state). WHich electrons feel the largest effective nuclear charge. Why
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