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You are asked to determine the value of Kf for an unknown liquid (or solvent). Which of the following experiments would give you the most accurate value?
What is the volume in mL of 0.585 M HCl(aq) needed to reach halfway to the equivalence (stoichiometric) point in the titration
Calculate the molar solubility of AgBr in 4.0 M NH3. Kf for Ag(NH3)2 is 1.7 x 10^7 and Ksp for AgBr is 5.0x10^-13 5. What is the pH at the equivilaence point when 45 mL of 0.125 M acetic aced is titrated with 0.225 M NaOH? Ka for acetic acid is 1.7..
If a breath of air, with a volume of 0.50 L, is drawn into the lungs and comes to thermal equilibrium with the body at 37°C while the pressure remains constant, calculate the increase in enthalpy of the air if the initial air temperature is 20 °C ..
assuming the density of water is 1.00gml at ambient temperature what is the exact volume in ml of teh 250-ml erlenmeyer
question which one of the following would furnish the highest yield of a methyl ether on reaction with naoch3 under
A solution of I- gives 301.0 mV in a cell with an iodide ion selective electrode. 10.0 mL of the solution is mixed with 3.00 mL of 1.00 x10^-6 M AgNO3, and the Ag is completely precipitated as AgI. The cell then gives 310.2 mV. Assume the electrod..
When doing a recrystallization, why is it important to allow the saturated solution to boil for ~1 minute and cool SLOWLY to room temperature before placing it in an ice-water bath?
The maximum pressure of H2(g) should not exceed 0.5 atm. According to the balanced chemical equation, approximately what is the maximum amount of magnesium (in grams) that should be used in this experiment? Mg(s) + 2 HCl(aq)------->H2(g) + MgCl2(a..
a tank of compressed o2 gas is 6.00 ft high and has a diameter of 8.00 in. the tank is filled with o2 to a pressure of
A solution of cough syrup contains 5.00\% active ingredient by volume. If the total volume of the bottle is 34.0mL , how many milliliters of active ingredient are in the bottle? Express your answer with the appropriate units.
Consider the following endothermic reaction at Equlibrium; 2 H20(l) 2H2(g)+O2(g) if .5 mol water is added what will happen and why
determine the variation of temperature within the wall and the value of temperature at x=0.1m.
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