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On scrap paper, draw the lewis dot structure for Te. How many total paired electrons, unpaired electrons and empty orbitals does this element contain, in this order?
Equilibrium constant Kc for the reaction: H2 (g) + CO2 (g) - H2O (g) + CO (g) a) in one experiment, a container is introduced in a mixture formed by the four shown in the reaction gases.
Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 3.80 g of sodium carbonate is mixed with one containing 5.43 of silver nitrate.
a metal m can readily form the m cation. a nonmetal x is a gas at room temperature and can easily form the x- anion.
Compound B is quite soluble in toluene, but only slightly soluble in petroleum either. How could these two solvents be used in combination in order to recrystallize compound b
2-methyl-2hexanol is reacted with sulfuric acid at around 800C. The two products formed are 2-methyl-1-hexene (19%) and 2-methyl-2-hexene (81%). Show the chemical equation for this reaction. Explain fully why 2-methyl-2-hexene is the major product..
The carbon-14 activity of some ancient Native American corn was found to be 7.0 disintegrations per minute (dpm) per gram of carbon. If present-day plant life has 16 dpm per gram of carbon
Give the enthalpies of the reaction P4 (s) + 3O2(g)-->P4O6(s) Delta H= -1640.1 kJ. P4 (s) + 5O2 (g)--->P4O10 (s) Delta H= -2940.1 kJ Calculate the enthalpy change for reaction: P4O6(s) + 2O2 (g)--->P4O10(s)
A small hot air balloon is filled with 1.02 x 10^6 L of air (d=1.20 g/L). As the air in the balloon is heated, it expands to 1.13 x 10^6 L. What is the density of the heated air in the balloon
Explain which of the two substances below would you expect to be more soluble in water. Explain. Must mention specific intermolecular forces involved for both substances.
How many grams of nickle would be electroplated by passing a constant current of 7.2(A) through a solution of NiSO4 for 90.0 min
What is the difference between July and January temperatures in the Celcius scale? What is the difference between July and January temperatures in the Kelvin scale?
A standard solution was made when 1.276g of pure copper wire (MM= 63.546g/mol) was weighed, dissolved in concentrated HNO3, and diluted to 1.00x102mL. What is the concentration of the stock solution
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