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Electronic configurations and valance electrons of Li.
For Li element, give complete electron configuration, draw valence electron configuration and give the number of unpaired electrons present.
A. How many milliliters of a 0.72 MHCl solution do you need to obtain 0.0032 mol of HCl? B. A flask containing 470 mL of 0.50 M H2SO4 was accidentally knocked to the floor. How many grams of NaHCO3 do you need to put on ...
If 62.8 g Ca react with 92.3 g HCl according to the reaction below, how many grams of hydrogen gas will be produced, and how many grams of the excess reactant will be left over? Unbalanced equation: Ca + HCl → CaCl2+ H2 ...
Write a reserch paper on Gas chromatography. This is a 10 pages research paper that should include an introduction on chromatography, principles of separation, type of columns, resolution, detection methods and applicati ...
Jenny and Mark complete a reactivity experiment by placing samples of metals into water. They initially place small shards of potassium into water and observe that hydrogen gas and potassium hydroxide solution are produc ...
Consider a 0.65 m column with van Deemter parameters A=0.22 mm, B=21.7 mm mL/min, and C=0.018 mm min/mL. If it takes at least 85 theoretical plates to fully separate two solutes, what range of flow rates can be used to s ...
Calculate the magnitude of the diffusion-controlled rate constant at 298 K for a species in (i) water, (ii) pentane. The viscosities are 1.00 × 10-3 kg m-1 s-1, and 2.2 ×10-4 kg m-1 s-1, respectively.
What is the net ionic equation for the following reaction? AgNO3 (aq) + NaCl (aq) AgCl (s) + NaNO3 (aq)
1. Reacting molecules or ions in a solution at room temperature are in constant motion and collide. Some collisions lead to formation of product and some don't. what determines a reaction will take place. 2. Is there any ...
Write three reactions for the oxidation of pyrite and explain how these can result in the production of acid waters that are enriched in trace metals and metalloids.
Determine the percent yield(with respect to CO2 and CH4) of the reaction if 1.25g of CO2 was formed by reacting 2.50g of CH4(g) with excess O2 in the reaction: CH4(G) +O2(g) ---->CO2(g) +H2O(g).
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