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When a sky diver free-falls through the air, the process is a. non-spontaneous because he is accelerating due to the force applied by gravity. b. non-spontaneous because he is losing potential energy. c non-spontaneous because he had planned the jump for two weeks. d spontaneous. e equillibrium.
what is the standard-state heat of reaction for the dissociation of dinitrogen tetroxide b.) determine the equilibrium composition of this mixture of 50C and 0.1, 1, and 10 bar. c.) repeat the calculation at 200C
a weather balloon at earths surface has a volume of 3.9 l at 275 k and 775 mm hg. if the balloon is released volume
What is the correct order of the following inert electrolytes in their ability to increase the degree of dissociation of acetic acid?
3-ethyl-5,5,6,6-tetramethylhexane. Draw the molecule that fits this description and then name it correctly
how many calories are given to a household radiator when 1000 grams of 100c steam condences and drops in temperature to
Calibration of a glass electrode gave a reading of 148.7 mV with 0.05 m potassium dihydrogen citrate buffer standard (pH = 3.766) and a reading of -167.4 mV with 0.01 m borax buffer standard (pH = 9.139), both measured at 30°C.
Limestone (CaCO3) is decomposed by heating quicklime (CaO) and carbon dioxide. Calculate how many grams of quicklime can be produced from 9.0 kg of limestone.
What is the PH of the buffer that results when 12.0 g of NaH2PO4 and 8.00 g of Na2HPO4 are diluted with water to a volume of .50 L? (Ka of H2PO4=6.2*10^-8, the molar masses are 120.0 g/mol and 142. mol respectively.
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
what mass of oxalic acid dihydrate, H2C2O4 + 2H2O is required to prepare 280.0 ml of a 1.51 M solution of oxalic acid
Microwave ovens emit microwave energy with a wavelength of 12.0 cm. What is the energy of exactly one photon of this microwave radiation
if the oven uses microwave radiation of wavelength 12.2 cm how many photons of this radiation are required to heat 1.28
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