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Which of the bonds that maintain the conformation of proteins are most sensitive to disruption by high concentration of ethanol? Explain
if iodine gas reacts with excess fluorine gas to produce 7.575g of iodine pentafluoride gas what was the pressure of
Question enthalpy and entropy values are given and were asked to find boiling point of mercury
what is the final volume of the air saturated with water vapor if the total pressure is maintained at 1 bar? what are the mole fractions of N2, O2, and H20 in the moist air? Assume all gases are ideal
the total volume of hydrogen gas needed to fill the hindenburg was 2.0x108 l at 1.0 atm and 25degc. how much heat was
A solution of ammonia and water contains 1.90×10^25 water molecules and 5.20×10^24 ammonia molecules. How many total hydrogen atoms are in this solution
The MnO4(-) is often used to analyze for the Fe(2+) content of an aqueous solution via the reaction MnO4(-)+Fe(2+)---> Fe(3+)+Mn(2+) in acidic solution. What is the ration Fe(2+):MnO4(-) in the balanced equation
A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 67 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 24 s for 1.0 L of O2 gas to effu..
Two solutions of an unknown slightly soluble salt, A(OH)2, were allowed to equilibriate- one at 25 degrees C, the other at 80 degrees C. A 15 mL aliquot of each solution is tiotrated with .200 M HCl. 8 mL of the acid is required to reach the endpo..
A chemist produces 460 mL of oxygen gas at - 43 °C and constant pressure. To what Celsius temperature must the oxygen be warmed in order for it to have a volume of 600 mL?
You start with 50 mL of 1.0 M acetic acid. How many mL of the acid should you place in a 100?mL volumetric flask in order to prepare
Draw an energy diagram for the enthalpy of solution of NaCl given that the lattice energy is 773 kJ/mol, the enthalpy of hydration is -769 kJ/mol with an enthalpy of solution equal to 4 kJ/mol.
The pressure gauge on a 20.0 m3 tank of nitrogen at 25 C reads 10 bar. Estimate the mass of nitrogen in the tank by : (a) Direct solution of the ideal gas equation of state. (b) Conversion from standard conditions.
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