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Which of the following types of chemical reactions is illustrated below?N2(g) + H2(g) → NH3(g)(a) combination(b) decomposition(c) single replacement(d) double replacement
use the equation attached to calculate the energy of e1 e2 e3 and e energy levels of the hydrogen-like boron ion...
a chemistry student dissolved 500 grams of alcl3 in 2750grams of h20. the resulting solution had a density of1.015 gml.
Question- The solubility products of AgCl and Ag3PO4 are 1.6x10^-10 and 1.8x10^-18, respectively. if Ag+ is added to 1L of a solution containing .20 M Cl- and .2 PO4^3- calculate the concentration of Ag+ ions (in mol/L) required to initiate.
Question- A molecule has two amino groups with pKa values of 9.90 and 7.200. It also has a thiol with a pKa value of 8.20. What is the pI of this molecule? (Use 3 significant digits) Answer
calculate the change in entropy for one mole of a diatomic ideal gas cv 52 nr that is heated and compressed from
A 4.50-g sample of LiCl at 25.0 C dissolves in 25.0 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C.
Which halide will react faster with sodium iodide in acetone: 1-bromobutane or 1-chlorobutane. Explain how the nature of the leaving group affects the rate of an SN2 reaction.
Rank the fluorine species from most to least stable. To rank items as equivalent, overlap them.
Write an equation for this reaction? which species acts as the nucleophile? Which species acts as the electrophile?
Determine compound having greater Ksp or compound having smaller Ksp ? compute [Ag + ] when CuI just start to precipitate. What % of Ag + remains in solution at this point?
While 111g of 2-methyl-2-propanol was heated with phosphoric acid, a colorless gas evolved. This gas was passed through a CCl4 solution containing 0.16 g Br2 per mL solution. Exactly 1.0 L ofthe solution was discolored by the gas generated in ther..
A formate buffer (pka = 3.75) is prepared by mixing 50 mL of a 4 M formic acid and 2 g of solid sodium hydroxide (MW= 40g/mol) in total volume of 1.0 L. A peptide with the amino acid sequence C-P=T-Y-R-L-D-Q (MW = 995.12 g/mol) is dissolved in thi..
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