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describe the change in conductivity as the concentration of the NaCl solution was increased by the addition of NaCl drops. what kind of mathematical relationship does there appear to be between conductivity and concentration?
In a reaction mixture at equilibrium, the partial pressure of NO is 119 torr and that of Br2 is 175 torr. What is the partial pressure of NOBr in this mixture? Kp=28.4 at 298 K.
Determine the pressure of a gas using the ideal gas law - Calculate the pressure inside the vessel after all the dry ice has been converted to CO2 gas.
How much heat is evolved when 1235 g of water condenses to a liquid at 100°C? ΔHcond = -40.7 kJ/mol.
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?
Write the balanced net ionic equation for this reaction. How many H+ are there in the balanced equation?
Calculate how many grams of ATP must be produced to walk a mile. ATP synthesis is coupled to the oxidation of glucose (?Go' = -686 kcal/mol). How many grams of glucose are actually metabolized to produce this amount of ATP?
The wavelength corresponding to threshold frequency to tungsten surface is 230nm . Calculate the kinetic energy of the photoelectron ejected from the surface of tungsten metal.
Consider the following reaction: 2A + B → 3C + D If 63.0 mol A and 42.0 mol B react to form 54.0 mol C. What is the percent yield of this reaction.
If you take a 10.5mL portion of the stock solution and dilute it to a total volume of 0.350 L, what will be the concentration of the final solution.
If a sample containing 3.00 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?
How many grams of KOH are required to neutralized 300ml of 5.0 N HN03 solution.
How much would the beaker and its content weigh if it was completely filled with mercury? The density of mercury is d = 13.5 g/mL ? = g
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