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A water solution contains molecule Z molecular weight 230 and NaCl. The solution is ionized with ESI method, as well as injected to a mass analyzer. In the collected mass spectrum what m/z peaks (value) might you expect to observe?
The following charges on individual oil droplets were obtained during an experiment similar to Millikan's determine a charge
In going from room temperature (25.0 °C) to 10 °C above room temperature, the rate of a reaction doubles. Calculate the activation energy for the reaction.
These compartments are connected by a partition that transmits heat. What is the final temperature in the box at thermal equilibrium
A rigid plastic container holds 1.00 L methane gas at 630 torr pressure when the temperature is 20.3°C. How much more pressure will the gas exert if the temperature is raised to 44.3°C?
Predict whether each of the following should form a normal or inverse spinel (hint: think about CFSE's): MgV2O4, VMg2O4, NiGa2O4, ZnCr2S4, NiFe2O4, Mn3O4, Fe3O4
Draw the electron-dot formula for each of the following molecules or ions: a) HCCH (ethyne); b) CS2 (C is the central atom); c) NO^+
a sample of the active ingredient in a nutritional mineral supplement was found to contain 0.0392 moles of iron 0.0393
What is the pH at the equivalence point when 0.0300 M NaF is titrated with 0.0610 M HClO4. (pKa = 3.17.)
Why is it that benzylic and allylic carbons undergo Sn1/E1 reactions even if they are primary carbons
Water with an alkalinity of 2.00 X 10^-3 equivalents/L has a pH of 7.00. Calculate [CO2], [HCO3-], [CO3^2-], and [OH-].
If it takes 1.0 gram of solid NaOH (a strong base) to change the pH of a solution containing a strong acid from 1 to 2, how much solid NaOH (in g) would be needed to change the pH of this solution from 2 to 3? You may assume that there is no chang..
Four kg of steam in a piston/cylinder device at 400kpa and 175C (448.15) undergoes a mechanically reversible, isothermal compression to a final pressure
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