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Choose all of the processes from below which describe changes which are independent of the path by which the change occurs.
a) the elevation increase experienced by a traveller travelling from Grand Isle, LA to Denver, Colorado
b) the number of rotations the earth undergoes over a specified period of time
c) the energy evolved when a cube of sugar is oxidized to CO2(g) and H2O(g)
d) the energy released by the combustion of a gallon of gasoline
e) the odometer mileage increase observed by a traveller travelling from Louisiana to Canada
f) the change in the score of a football game as the game progresses
g) the potential energy gained by a satellite as it is shot into a specific orbit
Which solution will have the lowest boiling point?
Four (4.00) moles of a perfect gas at 250.0 K and 1.50 bar pressure undergo a reversible isothermal compression until the pressure becomes 3.00 bar.
The vapor pressure of water at 32 C is 35.7mmHg. What is the vapor pressure of water-ethylene glycol solution at 32 C? Ethylene glycol is non-volatile.
Bromine addition to trans-cinnamic acid, During bromine addition to trans-cinnamic acid, why is it necessary to maintain excess bromine in the reaction mixture
Calculate how many grams of ATP must be produced to walk a mile. ATP synthesis is coupled to the oxidation of glucose (?Go' = -686 kcal/mol). How many grams of glucose are actually metabolized to produce this amount of ATP?
Calculate the empirical formula and then determine the molecular formula of this compound using the given molar mass. b) Draw three lewis structures for molecule that satisfies the octet rule for each atom.
sample of a gas at 25.0 oC and at a pressure of 3 atm, what will the pressure be if the temperature is raised to 50.0 oC?
How many moles of MgI2 are in 1.3L of a 0.2M solution? How many moles of Mg2+ are in the solution? How many moles of I-?
According to the above expression how many moles of KHC8H4O4 are needed to neutralize 25.00 mL of 0.10 M NaOH
what is the osmolarity of a solution that has a concentration of NaCl of 0.300 mol/L?
A cylinder of compressed gas rolls off a boat and falls to the bottom of a lake. Eventually it rusts and the gas bubbles to the surface. A chemist collects a sample of the gas with the idea of trying to identify the gas.
Experiments show that the molecular weight of acetic acid in the vapor state (just above its boiling point) is approximately 120. Explain the discrepancy
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