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By what percentage does the solubility of lead iodide decrease when dissolved in a solution of 0.02 M ammonium iodide. (Ksp for lead iodide is 8.7e10^-9)
During an extraction a student loses track of which layer is the organic layer. How could she determine which layer is the aqueous phase?
A balloon was filled to a volume of 2.50 L when the temperature was rm 30.0 C. What would the volume become if the temperature dropped to rm 11.0 0C.
Aromatic Compounds :sample question, Both naphthalene and azulene have 10 pie electrons and are aromatic. Pentalene is apparently antiaromatic and is unstable even at -100 degrees C.
Calculate the mass of ethylene glycol, C2H6O2 , that must be added to 1.000 kg of ethanol, C2H5OH, to reduce its vapor pressure by 13.2 torr at 35°C. The vapour pressure of pure ethanol at 35°C is 1.00 x 10 -2 torr.
converted completely to FeNCS 2+ when the calibration curve was prepared, would this raise or lower the value of Keq? explain?
Consider the following cell: Pt|H2(g, 0.670 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.15 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion con..
What is the partial pressure of each gas and total pressure of the mixture of gaases, in atmospheres, in the container?
Draw three six-carbon alkenes, each of which forms the same product whether it reacts with HBr in the presence of a peroxide or with HBr in the absence of a peroxide,
what are the concentrations of each component If a 10.00L vessel has 2.50 mol CO 2 and H 2 O, and 5.00 mol CO 2 and H 2 gas at 588°K, (Kc = 31.4 at 588°K), at equilibrium?
What is the concentration of toluene in air produced by vaporizing 1 ml of liquid toluene into clean air to produce a total volume of 100 liters
What is the name of the compound (NH4)3PO3? Why is special about this compound? Choose one answer. a. Ammonium phosphate; this covalent compound is made up of two polyatomic ions, ammonium and phosphate.
The temperature is increased to 45 degree celcius then determine what is the pressure in the cylinder
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