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A 1.00-g sample of octane (C8H18) is burned in a bomb calorimeter that has a heat capacity of 5.80 kJ/°C. The temperature of the calorimeter rises from 25.00oC to 33.20oC. What is ΔU per mole for the combustion of octane?
Perform whatever separations and tests you think necessary to determine which ions are in fact present
The sun produces energy via fusion. One of the fusion reactions that occurs in the sun is How much energy in joules is released by the fusion of 3.06 of hydrogen-1
Subsequent to building a model for cyclobutane as well as cyclohexane view down the C-C bonds in each model are the C-H bonds in each cyclic structure staggered or eclipsed
You dissolve the sample in .550 mL of water and determine that the osmotic pressure of the resulting solution is .107 torr at 35 deg C (760 torr = 1.00 atm). What is the molar mass of the compound?
what is the wavelength of radiation of frequency 4.80 times 1013
A spring is compressed 10.0 cm from equilibrium as well as the potential energy stored is 50.0 J. Explain what is the spring constant in this case
The diameter of a molecule is approximately 1x10^(-18) mets. If 1 nm is equal to 10^(-9)m and 10 Ångstroms, what is the diameter of the nucleus in Ångstroms
A gas of unknown identity diffuses at a rate of 83.3 mL/s in a diffusion apparatus in which carbon dioxide diffuses at the rate of 102 mL/s.
The vapor pressure of dichloromethane,CH2Cl2, at 0 C is 134 mmHg. The normal boiling point of dichloromethane is 40 C. Calculate its molar heat of vaporization.
The reaction of coal with water at high temperatures produces synthesis gas, which is a mixture of carbon monoxide and hydrogen. Use the bond energies in the table below to estimate the enthalpy of the reaction
Draw the best Lewis structure of CO32-. In this compound, the C atom is attached to three O atoms, and there are no O-O bonds
the mass of an average blueberry is 0.78 g and the mass of an automobile is 2100 kg. find the number of automobiles
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