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What steps would you use in the designing of a experiment to classify compounds as Ionic or Covalent, given these materials: Well plate, Water, Ethanol, Candle, Matches, Beaker, Watch Glass, Spatula, Light Bulb Conductivity Tester; and unknown compounds? (Several Methods)
Electrolytes and Molarity, Iii)salt is added to 81.4 g of water? iv) Identify the electrolytes and the non-electrolytes among the following compounds
Compute the change in energy necessary in making 55.0 mL of water from its elements under standard conditions. The chemical equation for the formation of water is -H2(g) + 1/2 O2(g) --> H2O(l)
How many grams of IBr were initially put into the vessel and determine the equilibrium constant - How many grams of IBr were initially put into the vessel?
what product and how much of it would you obtain if you heated 1.0mL of ethanol with 2.0 mL of glacial acetic acid in the presence of a few drops of sulfuric acid?
Each tablet contains 80. mg of the active ingredient and comes in bottles of one hundred. How many mL of a 0.100 M solution of HCl are required to dissolve ther active ingredient in a full bottle of Gaviscon tablets?
For the given reaction, how many moles of ammonia will result from 3.0 moles of nitrogen and sufficient hydrogen
express the work of isothermal reversible expansion of a van der waals gas in reduced variables and find a definition
A 24 L sample of a gas at fixed mass and constant temperature exerts a pressure of 3.0 atm. What pressure will the gas exert if the volume is changed to 16 L?
A shelf containing several chemicals (Salicylic acid, 4-(4-Hydroxyphenyl)butan-2-one {a.k.a. Raspberry Ketone} and 4-methylaniline) fell and the vials shattered.
Calculate the internal energy change (deltaU) for vaporization of 100 g of Cl2(liq.) at this temperature and 1 bar? (b) Calculate its molar entropy change (AS) for vaporization at this condition
A certain weak base has a Kb of 7.80 × 10-7. What concentration of this base will produce a pH of 10.16
Aspirin C9H8O4 is a weak monoprotic acid. To determine its acid-dissociation constant, a student dissolved 2.00 g of aspirin in 0.600 L of water and measured the pH. What was the Ka value calculated by the student if the pH of the solution was 2.6..
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