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Determine the relation shown for the radius of the species indicated. Explain which choice presents a valid comparison?
A) K > K+B) Ba2+ > Ba+C) Cl > Cl-D) S- > S2-
rate constant for the decomposition of N2O5 to NO2 and O2 at 70 degree celsius is 6.82 x 10^-3 s-1. Suppose we start with 0.300 mol of N2O5(g) in a .500L container. What is the half-life of N2O5 at 70 degrees celsius?
A reaction has a first order rate constant of 4.31x10-5 s-1 at 25oC and 0.00111 s-1 at 65oC. What is the value of the rate constant at 43oC
Arrange the following gasses in order of increasing density under the conditions given. a. Neon at 2 atm and 273 K b. Neon at 1 atm and 273 K c. Helium at 1 at and 273 K d. Neon at 2 atm and 73 K
Consider 4 L of a buffer composed of 2 M HCN and 3 M NaCN? How many moles of strong acid could this buffer withstand?
Consider the following liquids with similar molar masses. Predict which has the strongest intermolecular attraction based only on vapor pressure data.
A standard hydrogen electrode is immersed in an acetic acid solution. This electrode is connected by an external circuit to an iron nail dipping into 0.10 M FeCl2. If Ecell is found to be 0.24 V, what is the pH of the acetic acid solution
What is the half-life of bismuth-210 if 11.7 days are required for the activity of a sample of bismuth-210 to fall to 19.8 percent of its original value
The molar mass of quinine is 324 g/mol. Determine the empirical and molecular formulas of quinine. (Type your answer using the format CO2 for CO2 and use the order CHNO) empirical molecular
When a substance melts, bonds between the particles within the solid are broken, allowing the particles to become mobile and fluid. Ionic bonds and covalent bonds between atoms are comparable in strength
calculate the pressure change needed to completely hydrogenate this substance at room temperature and 50 degrees celcius.
Draw the mechanism of N-acetylglucosamine hydrolysis. a) under alakine conditions and b) under acidic conditions
An insulated tank is divided into two equal parts. Both halves contain the same ideal gas but one is at 300K and 2 bar while the other one is at 1 bar.
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