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A sample ofnitrogen gAs at 298 k And 745 torr has a volume of 37.42 L. what volume will it occupy if the pressure is increaaed to 119kpA at 345 K
how much pv work is done if 88.0 grams of c 2h 4 ethylene and 120 grams of hydrochloric acid hcl are permitted to react
A particular reaction is spontaneous at 450K. The enthalpy change for the reaction is 34.5 kJ. What can you conclude about the sign and magnitude of the standard entropy change for the reaction
Car manufacturers are developing engines that use H2 as fuel. In Iceland, Sweden, and other parts of Scandinavia, where hydroelectric plants produce inexpensive electric power, the H2 can be made industrially by the electrolysis of water.
A weak monoprotic acid is exactly neutralized by 11.17mL of a standardized 0.1455M NaOH solution. If the Ka of the acid is 0.00084, what is the pH at the half-equivalence point.
A fossil was analyzed and determined to have a carbon-14 level that is 42.0 that of living organisms. How old is the fossil
the solubility of silver sulfate in water is 0.223 wv at 35degc. calculate the solubility product of this salt at this
Write out a wave function for a one dimensional free particle with constant probability of finding the particle at amynpoint in one dimension
A solid sample containing some Fe^2+ ion weighs 1.062 g. It requires 24.12 mL 0.01562 m KNno4 to titrate Fe^2+ in the dissolved sample to a pink end point
What is the mass of air in the cylinder? What is the temperature in the cylinder when the volume reaches 4.00 in3?
At 25 °C and 795 Torr, carbon dioxide has a solubility of 0.0356 M in water. What is its solubility at 25 °C and 2030 Torr?
Calculate the number of grams of NaOH per 100ml to give a pH8.0 solution if pure water at pH7.0 is used in the experiment
Calculate the grams of sloute required to perpare 750ml of a 7.5 x10-3 M from NiSO46H2O.
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