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(a) What happens when helium gas is compressed isothermally above the critical temperature?
(b) If water vapor is compressed isothermally above the critical temperature, will ice I form? Is it possible that ice VII will form?
calculate the volume of O2 the bottle could deliver to a climber at an altitude where the temp is -38 C and the atmospheric pressure is 0.40 atm.
The boiling points of HCl and CO2 are nearly the same (-85 degrees C and -78 degrees C). Explain why CO2 can be removed from an aqueous solution by boiling briefly while essentially no HCl is lost even after boiling for one hour or more
calculate the number of moles of potassium which combine with bromine to form KBr.
What is the density of hydrogen gas at 23.0^C and a pressure of 1640 psi?
How much Tris (molecular mass 121.14 g/mol) is required to react with 35 mL of 0.10 M HCl
Aluminum metal is made industrially by electrolysis of Al2O3 dissolved in molten Na3AlF6. How many grams of Al metal are produced when 8.80 X 103 coulombs pass through the cell?
calculate the ph of a solution formed by mixing 250.0 ml of 0.15 m nh4cl with 100.0 ml of 0.20 m nh3. the kb for nh3 is
Give the balanced equation for the reaction- exothermic formation of 1 mol of sodium chloride from its elements
What amount of HCl gas must be added to 1.00 L of a buffer solution that contains [acetic acid]=2.0M and [acetate]=1.0M in order to produce a solution with pH= 4.16
Explain what summary statement can be made regarding the solubility of ionic substances in water versus an organic solvent
Ammonium will react with oxygen in the presence of a copper catalyst to form nitrogen and water. At 179 C, the rate constant is 0.602 hr-1g-1 and at 160.5 C, the rate constant is 0.151 hr-1g-1. What would you expect the rate constant to be at 195...
Problem- What is the importance of the node found in the anti-bonding molecular orbital to the molecular bonding in H2. It increases the strength of the molecular bond because is shields the repulsive force between the two positive nuclei.
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