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A Venus probe detects an element with a first ionization energy of 2088. Given the table of known ionization energies provided in the introduction, what is the most likely identity of this element?
The value of ?Go for the reaction, N2(g) + 3 H2(g) 2 NH3(g) is -32.90 kJ at 298 K. Calculate the value of ?G in kJ at 298 K if the partial pressures of N2, H2 and NH3 are 9.139, 8.009, and 9.718 atm respectively.
If 56.4 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 748 mg sample of Na2SO4, what is the molarity of the solution?
A solution is 0.10 M in Pb(NO3)2 and 0.10M in AgNO3. Solid NaI is added until the second solid compound is on the verge of precipitating. Which compound precipitates first and what is the I^- concentration when the second compound begins to precip..
A solution initially 0.100 M in HOCl and 0.300 M in NaOCl. What is the pH in 0.030 mol of solid NaOH is added to 1.00 L of this solution? Assume no volume channge.
Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.
show the flow of electrons and predict which resonance structure is the major contributor
A student dispensed 20.00 mL of 2x10^-5 M blue #1 solution into a test tube. He then added 2.00 mL of NaCl solution and 2.00 mL of 2.50 % bleach solution.
Use the values from the table of reduction potentials on the last page to determine ?Gº and Keq for the reaction as listed below. Pb (s) + Sn2+ (aq) ? Pb2+ (aq) + Sn (s) ?Gº
Write the correct equation for the ready formation of a metallic deposit on placing a Ni(s) strip into 0.1 M copper nitrate.
The best reagent or sequence of reagents for carrying out transformation A and transformation B are
The solution of iron (III) chloride used in this experiment is 0.02M. Determine the amount of iron (III) chloride hexahrdrate
Solid lithium metal and diatomic nitrogen gas react spontaneously to form a solid product. Give the balanced chemical equation (including phases) that describes this reaction.
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