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How many grams of lead will be deposited at the cathode from a solution of Pb2+ ions by a 0.15 ampere current flowing for 1.00 hour.
Determine the Ka value of acetic acid at 105 degrees C from the following data: A 0.3 Molar aqueous solution of acetic acid shows a pH of 2.642 at 105 degrees C. You can use the approximation formula here because the concentration of the acetic ac..
When 0.0172 mol HI is heated to 500 K in a 2 L sealed container, the resulting equilibrium mixture contains 1.9 g of HI. Calculate Kc for the decomposition reaction 2HI(g) *) H2(g) + I2(g) .
Draw a structural formula of the R configuration of the compound shown below. Illustrate the stereochemistry about the chiral carbon using the "single up" (solid wedge) and "single down" (hashed-line wedge) bond tools. Show explicitly the bonds to..
at 986°C is 0.63. A rigid cylinder at that temperature contains 1.2 atm of carbon monoxide, 0.20 atm of water vapor, 0.30 atm of carbon dioxide, and 0.27 atm of hydrogen. Is the system at equilibrium?
A gas mixture composed of helium and argon has a density of 0.727g/L at a 755mmHg and 298K .What is the composition of the mixture by volume?
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 5 state to the n = 3 state
When an alkyne, such as but-2-yne, is subjected to D2 and palladium, 2 equivalents of D2 are added. When an alkene, such as cis-but-2-ene, is subjected to these conditions, only 1 equivalent of D2 is added. When an alkane, such as butane is subjec..
A real gas behaves more like an ideal gas at high pressures and low temperatures. 4. The individual gas particles are not attracted to one another.
Backside attack on the bromonium ion by a bromide ion results in a trans products. The bromine is added to opposite sides of the carbon-carbon double bond.
A solution is 0.1 mM in NaF, Na2CO3, and Na3PO4. What would be the order of precipitation as a source of Ca2+ is added gradually to the solution? The relevant Ksp values are Ksp [CaF2] = 4.0×10-11, Ksp[CaCO3] = 8.7×10-9, Ksp[Ca3(PO4)2] = 1.3×10-32..
An alkaline earth metal, M, combines with a halide, X. Will the resulting compound be ionic or covanlent. Why. What is the Lewis structure for the compound
What is the density of an object with a weight of 32 grams if it has a volume of 4 cubic centimeters
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