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A 41 kg person drinks 440. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 17% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake?
A reaction has an activation energy of 110 kJ/mol and a rate constant, k=1.2 x 10^-12 s-1 at 0?C. At what temperature will the rate constant k=5.1 x 10^-7 s-1
The number of different constitutional isomers that can be drawn for C2H4Br2 is equal to
An aqueous solution containing 10g of optically pure fructose was diluted to 500mL with water and placed in a polarimeter tube 20 cm long. The measured rotation was -5.20 degrees. Calculate the specific rotation of fructose.
Thermal decomposition of KClO3(s) yields KCl(s) and O2(g). When 4.289 g of KClO3 (0.03500 mol) undergo this reaction, how many grams of oxygen are produced
The temperature of a 12.58 g sample of calcium carbonate increases from 23.6 c to 38.2 C. if the specific heat of calcuim carbonate is 0.82 J/g-K, how many joules of heat are absorb
The carbonyl carbon of an aldehyde, ketone, carboxylic acid, or ester cannot be a stereocenter. Why or why not
The density of Hg (l ) is 13.6 g/mL. Compare this heat energy transfer with the amount needed to vaporize 0.500 mL water. See Table 11.2 for the molar enthalpy of vaporization of H2O.
Many power plants produce energy by burning carbon-based fuels, which also produces carbon dioxide. Carbon dioxide is a greenhouse gas, so over-production can have negative effects on the environment. Use enthalpy of formation data to calculate th..
How do you know if the bond is ionic, polar covalent and non covalent by looking at the molecular formula
The physical phenomenon that governs the shape of the Temperature/Reaction Completion Time curve is
What is the molality of ethylene glycol in an engine's cooling system to ensure the solution doent freeze in a "normal" winter. (minimun temperature of -10C)
An unknown material begins to emit electrons from it's surface when exposed to photons with wavelengths shorter than 540 nm. Give the threshold frequency and the work function for this material.
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