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Suppose that 2.00mL of isopently alcohol was reacted with excess acetic acid and that 2.00g of isopentyl acetate was obtained as product. Calculate the percentage yield.
A mixture of acetaldehyde CH3CHO and propanal C2H5CHO under basic conditions
If the pressure exerted by a gas at 25°C in a volume of 0.032 L is 2.79 atm, how many moles of gas are present?
An aqueous solution is six percent by mass methanol,, and has a density = 0.988 g/mL. Determine the molarity of ethanol in the solution.
A solution contains Cr3+ ion and Mg2+ ion. The addition of 1.00 L of 1.55M NaF solution is required to cause the complete precipitation of these ions as CrF3(s) and MgF2(s). The total mass of the precipitate is 50.2g.
The enthalpy change for the reaction below at 25oC is -1,850 kJ (per mole of C9H20). What is the internal energy change for the reaction at 25oC
Based on the Hume-Rothery Rules, speculate on the possible driving forces behind the tendency for ordering in this system.
the LDH molecule always contains 4 polypeptide subunits and each subunit can be either a H (heart) or a M (muscle) subunit. how many isozymes are possible
Calculate the vapor pressure of a solution containing 27.5 g of camphor (C10H16O) dissolved in 94.4 g of benzene.
Calculate the binding energy of the 6Li nucleus in Joules per nucleon, given the following nuclear masses: 6Li = 6.01348 amu, proton = 1.00728 amu and neutron = 1.00867 amu.
Acetic acid, CH3COOH, is a weak organic acid, pKa 4.47. Determine the position of the equilibrium for the reaction of acetic acid with CH3ONa. Draw the species that predominate at equilibrium. Skip drawing the metal counter ion.
The normal boiling point of the liquid is 425 K. Liquid, X, and Y are all in equilibrium at 342 K and 1800 bar. Tc = 571K, Pc= 46 bar
If the chemistry of a plant is the same on a different planet as it is on earth, would it still be green in color if no light with wavelength less than 650 nm reaches the surface. Would they be this color everywhere
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