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The North American record for highest recorded barometric pressure is 31.85in Hg , set in 1989 in Northway, Alaska. 1. Convert this pressure to millimeters of mercury (using 4 significant figures) 2. convert this pressure to atmospheres (using 4 significant figures) 3. convert this pressure to torr (using 4 significant figures) 4.convert this pressure to kilopascals (using 4 significant figures)
Calculate the amount of heat needed to convert 96 g of ice at 24 C to water at 28 C. The specific heat capacity of H2O(s) is 2.1 J/(g C).
looking down from C2-C3 and starting at lowest energy conformer, draw all conformers for all the following molecules and rank the on the energy diagram.
Express the concentration of a 0.0720 M aqueous solution of fluoride, F-, in mass percentage and in parts per million
Propose a structure for a compound A that has an infrared absorption at 1820 cm-1 and a single proton NMR absorption at ? 1.5. Compound A reacts with water to give dimethylmalonic acid and with methanol to give the monomethyl ester of the same aci..
carbon monoxide and oxygen react to produce carbon dioxide. if 75.3 l of carbon monoxide and 38.0 l of oxygen are used
A 0.2436-g sample of an unknown substance was dissolved in 20.0 mL of cyclohexane. The density of cyclohexane is 0.779g/mL. The freezing-point depression was 2.5ºC. Calculate the molar mass of the unknown substance. (Kf cyclohexane = 20.0ºC/m)
A mutant hemoglobin has His146 of the beta chain replaced with a threonine residue. predict what the consequence of this mutation might be. specifically
what is the molarity of a solution of sodium hydroxide that contains 47.0 g of naoh in 205.0 ml of solution? use a
1.00 mol of glucose was dissolved in water to form 1.00 L of solution at 298 K and 1 bar. Calculate the chemical potential of water, glucose and free energy of mixture. Data for water: density 1.00 g/cm3, molar mass 18.02 g/mol, ?fGo(H2O,l) = -237...
in the formation of bromohydrin is there two water molecules being added to the reaction? One water molecule attaches to the carbon and the second one pulls off and H from the OH2 already attached to form H3O
A truck is initially 6.0km north of the gas station and is moving with a constant speed of 45km/h due south. How far are the vehicles from the gas station when they pass each other
Butadiene, C4H6(used to make synthetic rubber and latex paints) dimerizes to C8H12 with a rate law of rate=0.038L/(mol*s)[C4H6]^2. What will be the concentration of C4H6 after 2.0 hours if the initial concentration is 0.044M?
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