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The EPA has determined that permissible free cyanide levels are 0.20ppm. What mass of cyanide would this be in a 65kg person?
Show with the aid of a form of the Nernst equation that when using a pH sensitive glass electrode and reference electrode that the measured potential is proportional to pH.
find the uncertainty in position in nm associated with anelectron that is moving with a velocity of 274 kms.
if 82.7874 grams of oxygen was given off during the decomposition, how many grams of KCIO3 were used?
I'm working on a Lewis Structures sheet. After we have completed the structures, which i have, we need to predict the shape of the molecule in VSEPR. What is the shape of a C2H6 amd a C2H4 molecule in VSEPR?
Give the balanced total and net ionic equations and predict whether a reaction occurs. indicate whether the reactions are precipitation reactions or acid-base reactions.
In a molecule of H2S, the four electron groups around the sulfur atom are arranged in tetrahedral geometry. However, the shape of the molecule is bent. Why does the shape of the molecule have a different name from the name of the electron group ge..
A solution is prepared by adding some solid CaF2 to water and allowing the solid to come to equilibrium with the solution. The equilibrium constant for the reaction below is Kc = 3.9x10-11.
You have prepared a saturated solution of at 20 degree celcius using 31.0 of water. How much more solute can be dissolved if the temperature is increased to 30 degree celcius.
Which species would react fastest with electrophiles? How are enolate ions prepared? How are enolate ions prepared? Are enolate ions formed when a weaker base is used?
when the initial concentration of reactant is 0.71 m a second-order reaction has a half-life of 18 s then determines
What information is required in order that you are able to diagram an atom?
Describe and explain the possible effect on your results of the following experimental errors or variations. In each case specify the component(s) whose percentage(s) would be too high or too low.
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