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Problem- What is the molar solubility of Ni(OH)2 (Ksp = 2.0 x 10-15) in an aqueous solution where the hydroxide ion concentration is 0.25 M at 25°C?
Please define why you think that's the right answer
Which isomer of 1-bromo-3-isopropylcyclohexane reacts faster when refluxed with potassium tert-butoxide, the cis isomer or the trans isomer? Explain your reasoning and draw the structure of the expected product from the faster reacting isomer.
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
Draw 5 compounds that are constitutional isomers with the molecular formula C8H17O2N that contains at least an ester or an amide.
a 81 l sample of dry air cools from 145c to -22c while the pressure is maintained at 2.85 atm. what is the final
For 2 SO2(g) + O2(g) 2 SO3(g), Kp = 3.0 104 at 700 K. In a 2.00-L vessel the equilibrium mixture contains 1.72 g of SO3 and 0.171 g of O2. How many grams of SO2 are in the vessel
If you wanted to prepare a solution of CO in water at 25 degrees celsius in which the CO concentration was 2.2 mM, what pressure of CO
Calculate pH of a solution of L-glutamic acid in which the ionic species with net charge=-1 is 5 times greater than that of the isoelectric structure
Write equations to show how you would synthesize salicylic acid
If the CO2 and O2 in the above reaction are measured at the same temperature and pressure, 1. How many milliliters of O2 are produced per minute. At what rate is the Na2O2 consumed, in grams per hour
A voltaic cell consists of an Mn/Mn2+ half cell and a Pb/Pb2+ half cell. Calculate [Pb2+] when [Mn2+] is 2.1 M and Ecell= 0.27 V
The mass of the crucible, cover and sample of Ti was 36.383 g. Following the reaction of the Ti metal with Oxygen, the contents of the crucible, cover and reaction mixture was heated to a constant mass of 37.472 g. Determine the mass of the oxide ..
Why is the boiling point of octane, C8H18, higher than that of methane, CH4, if they are both nonpolar molecules? 7-Using a diagram to illustrate your answer, explain the effect of temperature on the vapor pressure of a liquid.
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