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While 50.0mL of 0.500 M H2SO4 is added to 25.0mL of 1.00 M KOH at 23.80 degree C in a calorimeter, the temperature increases to 29.57 degree Celsius. The heat capacity of the calorimeter is 5.3 J/k. Explain how much heat in joules is produced by the reaction between H2SO4 and NAOH?
Write a semi-quantitative expression which describes the lattice energy of an ionic crystal. Define and explain all terms used, and explain how they may effect the properties of the crystal.
assume that the enthalpy fusion of ice is 6020 jmol and does not vary appreciably over the temperature range of 270-290
Explain why bubbling a solution with an inert gas such as argon or nitrogen causes deoxygenation of the solution?
imagine that you have two iron blocks one with a mass 226 g at a temperature of 46.0 oc and another with a mass 380 g
A liquid has an equilibrium pressure of 130 torr at 25C and is placed into a 1L vessel. What is the pressure difference shown on the manometer, and what is the composition of the gas in the vessel, under each of the following conditions
What is the pH of the solution during the titration when the following volumes of the NaOH have been added to 34.5-mL of the acid.
During a strenuous workout, an athlete generates 1950.0kJ of heat energy. What mass of water would have to evaporate from the athlete's skin to dissipate this much heat?
Look up and write the structures of D-galactose and D-mannose. How do they differ from D-glucose
What properties of soil and its components could be measured to determine whether two soil samples are consistent with having a common origin?
a sample contains 67.0% of the R isomer and 33.0% of its enantiomer, what is the observed specific rotation of the mixture?
A reaction has an activation energy of 40 kJ/mol. What happens to the rate if you increase the temperature from 70 C to 80 C? Does the rate increase by
Explain how a calibration curve could be used to determine an unknown quantity
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