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Define in terms of the electronic structure of an element, chemical activity as it relates to metals, nonmetals, and noble gases. Discuss the change in chemical activity of metals as you go down a group. Discuss the change in chemical activity of nonmetals as you go down a group.
The student plotted pH versys volume (mL) of NaOH added and found the titration required 26.66mL of NaOH to reach equivalence point. Describe how you would use the students
The concentration of Pb2+ in a commercially available standard solution is 1.000 mg/mL. What volume of this solution should be diluted to 6.0 x 10^2 mL to produce a solution
Explain the electron configuration of B is 1s2, 2s2, 2p1 if each core electron that is the 1s electrons were entirely effective in shielding the valance electrons that is 2p
The most important commercial process for generating hydrogen gas is the water-gas shift reaction: CH4(g) + H2O(g) ? CO(g) + 3H2(g) Use tabulated thermodynamic data to find
What is the final temperature in a squeezed cold pack that contains 40.0 g of NH4NO3 dissolved in 135 mL of water? Assume a specific heat of 4.18 J/(g·°C) for the solution,
consider the reaction H2S+I2>2HI with equilibruim K= 0.81 . if an initial concentration 1.0 M of each component is placed in close container, what will be the concentration
A chemist wants to resolve a particular amine, but she has only meso-tartaric acid on hand.She scans the lab inventory and finds several acids, but they are listed only by t
If 115 of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m. ?
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