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1. A. Briefly explain why hydrogen atoms in methane are all in equivalent positions? B. Briefly explain why there are no structural isomers of propane (c3h8) C. Briefly explain how geometric isomerism differs from structural isomerism in carbon compounds? 2. Use the structural formulas to explain how the other two structural isomers of C5H12 differ: a. from n-pentane b. from each other 3. Use the structural formulas to explain how the other structural isomers of C6H14 differ: a. from n pentane b. from each other
A 55.0-{ g} piece of ice at 0.0 C is added to a sample of water at 8.0 C. All of the ice melts and the temperature of the water decreases to 0.0 C.
When 83.6 joules of heat is added to 2 grams of water at 10 degrees Celsius, the temperature of the water increases to what value?
Calculate the diffusion limiting current for the oxidation of an organic compound at an electrode in stagnant solution. Assume 6 electrons are involved in the reaction (n=6). C(org) = 0.01 M, D(org) = 2x10^-5 cm^2/s.
The specific heat capacities of Fe(s) and water are 0.45 J/g? and 4.184 J/g?, respectively. What is the final temperature of the system?
Calculating Delta H, Use some or all of the following reaction enthalpies to calculate delta H for the reaction:
how many moles O2 of are present? (The mole fraction of in dry air is 0.2095.) How many grams of C8H18 could be combusted by this quantity of O2
what mass of water is required to dissolved in 175g KNO3 to produce a 2.25 m solution?
Determine the boiling point of the solution If 11.9 grams of a nonelectrolyte with molar mass = 30.5 g/mol are combined with 200.0 grams of the solvent,?
Calculate the molality of a sucrose (C6H22O11) solution containing 14.3 g of sucrose in 676 g of water
Determine the energy change associated with these changes in state: a. 138g of steam condenses,b. 261mg of solid mercury melts,c. 8.36g of rubbing alcohol freezes d. 52g of liquid methane boils
Calculate the P-Cl bond energy, given the following reaction and the average bond dissociation energy of chlorine as 240kJ/mole.
A gas expands and does P-V work on the surroundings equal to 337 J. At the same time, it absorbs 177 J of heat from the surroundings. Calculate the change in energy of the gas.
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