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Draw a Newman projection of cyclohexane looking along two C-C bonds that are separated by one carbon
A 12 inch diameter ball of pure cobalt metal at 225 deg celcius was placed in 10 gal of water at 15 deg celcius. what is the final temperature of the water. assume no heat lost to surrounding
Calculate the pH of the solution that results when 40.0 mL of 0.100 M NH3 is mixed with 20.0 mL of 0.250 M HCl solution.
the normal respiratory rate for a human being is 15.0 breaths per minute. the average volume of air for each breath is
the element neptunium possesses 93 electrons and weighs 237 amu. Calculate the contribution (in %) of its electrons to its total mass.
Zinc hydroxide is only very slightly soluble in water. The reaction by which it goes into solution is: Zn(OH)2 Zn2+ + 2 OH- b. its possible to dissolve significant amounts of Zn(OH)2 in solutions in which the concentration of either Zn2+ or OH- ..
Write the differential form of the energy and entropy representations of the fundamental equation. Identify the new intensive variables and how they relate to partial derivatives of the fundamental relations.
what is the density of a block of marble that occupies 253 cm3 and has a mass of 752
Fuel is a mixture of different hydrocarbon compounds containing only hydrogen and oxygen. Calculate the volume of carbon dioxide, at 300 °C and 100 kPa, passing through a vehicle's exhaust during the combustion of a full tank of fuel
When 2.00 g of NaOH is added to 50.0 ml of 1.0 M HCl solution in a constant pressure calorimeter, the temperature increased by 13.1oC. Calculate the heat of neutralization in KJ/mol
Use a spreadsheet to calculate the composition of dry air at 5400K and 1 bar. Take the initial composition as .78 mol N2, .21 mol O2 and .01 mol Ar. Neglect the ionization of NO.
statements is true concerning the applicability of the E1, E2, SN1, and SN2 mechanisms to reactions
calculate the mass in grams for a gold sample that absorbs 210 j to change its temperature from 13.0 c to 53.0
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