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1. Explain which element has higher ionization energy, Be or B. Start by comparing thier energy level diagram?
2. what are lewis resonance structures? illustrate with CO3(2-)
3. make a lewis model for carbon monoxide and show how to use it to calculate the formal charge on each atom in the molecule?
Determine de yield or recovery percent in the synthesis of an adduct made with 0.10 mL of furan and 0.20g of maleic anhydride.
After doing some analysis, the probe determines that the gas pocket contains an element that has an ionization energy of I= 1350 Kj/mol
Carbon oxide (carbon (II) oxide) can be purified of oxygen impurities by having it react with cobalt (II) oxide. If the impure carbon oxide contains a volume of 1.5% oxygen, and if it reacts with cobalt (II) oxide at 250 °C and 500 kPa.
What is the percent yield of a reaction in which 200 g phosphorus trichloride reacts with excess water to form 82 g HCl and aqueous phosphorus acid (H3PO3)
In the first 12.0 s of the reaction, 1.8×10-2 mol of {rm{O}}_2 is produced in a reaction vessel with a volume of 0.260 L. What is the average rate of the reaction over this time interval?
mercury(II) acetate is allowed to react completely with a solution containing 9.718 g of sodium sulfate, how many grams of the reactant in excess will remain after the reaction?
The difference between these forces is why some solids dissolve by an exothermic reaction (release heat), while other solids absorb heat and cool the solution. For an ionic solid dissolving in water, briefly identify the attractive
How many moles of NaOH will need to be added to 100.0 mL of 0.100 M acetic acid to make a buffer with a pH of 5.00?
Which of the following molecular geometries could lead to linear molecule after removal of one atom?
A cylindrical glass tube 15.0 cm in liength is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64g.
A 2kg iron bar (c of iron is 440 J.kg .K) is heated to 80 Celsius. The bar is dipped in 5kg of water at 20 Celsius in a heat insulated container. What will be the equilibrium temperature inside the container?
A modern chealting agent used for this purpose is succimer (C4H6O4S2). Suppose you are trying to determine the appropriate dose for succimer treatment of lead poisoning.
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