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In the lab you make 10-5.5 M solutions of HCl and of NaOH using pure distilled deionized water. What pH will would measure for these solutions immediately? What would be the pH after the solutions equilibrate with the atmosphere?
We have a refrigeration unit that works at a pressure of 0.1MPain the evaporator and 1 MPa in the condenser. The refrigeration unit uses a compressor with an efficiency of 90%
A 2.85 g sample containing only MgO and CuO is placed in a 3.00 L container. The container is filled with CO2 to a pressure of 740 torr at 20 degrees C. After the reaction has gone to completion, the pressure inside the flask is 390 torr at 20 deg..
The best means of personal protection from radiation for emergency responders is the implementation of three basic principles: time, distance and shielding.
the bond dissociation energy is the amount of energy required to break a bond? chose your answer from the followings? (a) homolytically (b) heterolytically (c) so as to produce the more stable pair of ions (d) via hydrogenation (e) none of the abov..
Why can't i reduce carboxylic acid using sodium borohydride while lithium aluminium hydride can do the same thing.
The half life of Iodine-131 is 8.0252 days. If 14.2 grams of I-131 is released in Japan and takes 31.8 days to travel across the Pacific
The pH of a 0.100 M formic acid solution (HCHO2) is 2.38 at 25 °C. Determine the Ka and pKa of formic acid
Do all ionic compounds dissolve in water, Do all covalent compounds dissolve in water? answer should be 50 to 100 words.
What is the heat of vaporization(kJ/mol) if it takes 3,452 J of heat to completely vaporize 2.68 moles of the liquid at its boiling point?
Determine the mass of aluminum acetate that can be made if you do the reaction with 125 grams of acetic acid and 275 grams of aluminum hydroxide.
Because the turnover number for both substrates is nearly identical, what factors might be involved that explain the different ratio for the two substrates?
How many liters of hydrogen gas are collected over water at 18 0C and 725 mm Hg when 0.84 g of lithium reacts with water. P= 15.5 torr
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