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Utilizing standard enthalpies of formation, find out how much heat is released when 25.0g of CH4 is subjected for combustion is excess O2? All reactants and products are gases.
consider the following tetra-substituted cyclohexane. Draw both chair conformations of this compound. Determine which conformation is more stable
Calculate the amount of 10% acetic acid you will need to add to 100.0 ml of your milk in order to bring the final acidity to 1.00% acetic acid.
Hydrogen and oxygen react under a specific set of conditions to produce water according to the following equation. 2 H2(g) + O2(g) -> 2 H2O(g)
Identify the Lewis acids in the following two equilbrium systems: System A: CO2 + H2O ? H2CO3 System B: Zn2+ + 6H2O ? Zn(H2O)62+ A. A: H2O; B: H2O B. A: CO2
what is the total vapor pressure4 at 20deg c of a liquid solution containing 0.30 mole fraction benzene c6h6 and 0.70
Describe and explain the possible effect on your results of the following experimental errors or variations. in each case, specify the component(s) whose percentage(s) would be too high or too low
which types of solutes tend to be insoluble in pure water but soluble in acid or in base
Concentrated sulfuric acid is roughly an 18 molar solution. To prepare 500 mLs of a 3 M solution, mLs of sulfuric acid should be.
The Ksp for bismuth (III) iodide is 8.1 x 10-19. Calculate its solubility, molar solubility, and concentration of each species at equilibrium.
correlation of structure with the melting point.the melting points of a series of 18-carbon fatty acids are stearic
State a mechanism for the dehydration of 4-methylcyclohexanol catalyzed by an acid? In the case utilize H3PO4 and a little bit of H2SO4 plus heat. The products are 4-methylcyclohexene + H20.
acetone is one of the most important solvents in organicchemistry used to dissolve from fats and waxes to airplane
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