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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
Would it be a good idea for a person to take a couple of aspirin tablets before attending a cocktail party? Explain your reasoning. This needs to be from a chemistry stand poi
A compound is 40.0%C, 6.70%H, and 53.3%O by mass. Assume that we have a 100.g sample of this compound. What are the subscripts in the empirical formula of this compound?
Ozone molecules in the stratosphere absorb much of the harmful radiation from the sun. How many ozone molecules are present in 1.00 L of air under the stratospheric ozone co
If the density of gasoline is 0.66 g/mL , how many kilocalories of energy are obtained from 2.2 gal of gasoline?Express your answer using two significant figures.
What amount of energy in Joules is necessary to melt a 14.5 gram piece of ice at 0 C to form liquid water at the same temperature 0? heat of fusion of water is 6.01 kJ/mol o
White Phosphorus P consist of P4 molecules it spontaneously ignites on contact with air. If there are 0.350 mole of P4 molecules. how many P4 molecules are present? What is
Freons are controversial because of the damage they do to the ozone layer in the stratosphere. A 4.33-g sample of a particular freon in a 2.55 L bulb at 25°C has a pressure
Calculate the Ecell for the reaction below when [Zn2+] = 1.00M, [H+] = 1.00 x 10-6 M and PH2 = 1.00 atm Zn (s) + 2H+ ----> Zn2+ + H2 (g) a.+0.76 V b. + 0.64 V c. + 0.41V d.
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