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Explain will a slower chemical reaction be expected to give a semilog absorbance/time plot with a slope that is more shallow or steeper that is closer to or further from the horizon than one that is faster?
1. Explain what is meant by the term doublet in the description, as well as why does this occur in potassium?
2. Compute the ratio of atoms in the 4p states all three to those is the 4s state for a flame temperature of 2800K
3. Potassium can be determined by flame-AES or flame-AAS, however the signal in Flame-AES is very noisy. Define why this is so and also why ICP-AES achieves a less noisy signal.
How many grams of cisplatin are formed from 54.4g of K2PtCl4 and 36.4g of NH3 if the reaction takes place in 95% yield based on the limiting reactant.
A particular smoke detector contains 2.85uCi of 241Am , with a half-life of 458 years . The isotope is encased in a thin aluminum container. Calculate the mass of 241Am in grams in the detector. detector.
a polyatomic ion is composed of c n and an unknown element x. the skeletal lewis structure for this polyatomic ion is
Calculate the degree of dissociation and dissociation constant of the salt and how many times the reaction rate changes in the presence of catalyst at the same temperature.
How many grams of CO2(g) would occupy a volume of 326 mL at 20.6°C and 703 torr?
two previously undeformed cylindrical specimens of brass are to be strain hardened by reducing their cross-sectional
If the absolute temperature of a gas is doubled, what happens to the root-mean-square speed of the molecules?
Twenty grams of a solute are added to 100g of water at 25C. the vapor pressure of pure water is 23.76 mmHg, the vapor pressure of the solution is 22.41 torr.
Chlorine gas can be produced commercially by passing an electric current through a concentrated solution of sodium chloride (brine).
Draw the molecule by placing atoms on the grid and connecting them with bonds. If there is more than one answer, draw all o
If .050 moles of HA were dissolved in 1L of water, calculate the concentration of [HA], [H30+], and [A-] in the solution at equilibrium. What is the pH? Ka=7.94 x 10^-7, equivalence point ~ 9 mL, pH at equivalence ~ 9]
Some homeowners, upset at the sight of weeds in their yards,argue "Its my house and I have the right to put herbicides on my lawn if I want to". How would you respond to this argument if you were the officer having to enforce the by law
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