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The first ionization energy of magnesium isgreater than the first ionization energy of calcium. Explain. The first ionization energy of nitrogen is lower than the first ionization energy of oxygen. Explain.
Although the formula of this new chemical is a trade secret, it can be revealed that the formula for Herbigon is X-acetate (XCH3COO, where "X" represents the top-secret cation of the salt).
Calculate the mass of minerl azurate, Cu3(OH)2(CO3)2 required to produce 12.5 g of copper . ans : 22.6 g
a tanker truck carrying 5.0 x 103 kg of concentrated sulfuric acid h2so4 tips over and spills its load. if the solution
Calculate the pH of each of the following buffered solutions. to 1.00 L of each of the four solutions. (a) 0.100 M propanoic acid (HC3H5O2, Ka= 1.3 10-5) (b) 0.100 M sodium propanoate (NaC3H5O2)
What volume of 3 M H2SO4 is needed to neutralize all of the disodium salicylate and the excess NaOH (2.17 mL excess) present after the initial reaction?
1.0 mol of CaCN2 and 1.0 mole of water are mixed together: CaCN2 + 3H2O → CaCO3 + 2NH3 How much NH3 could be produced?
Verify the following statements (a) One part per million corresponds to one minute in two years, or a single penny in $10,000.
Using information from the table of Standard Thermodynamic Data in the textbook, calculate the equilibrium constant, Keq, for the reaction given below at 298 K. C2H6O (g) ? C2H4 (g) + H2O (g) Keq =
Calculate the mass of KI in grams required to prepare 8.00 multiplied by 102 mL of a 1.00 M solution
Which of the following is not true regarding social development?
Calculate the molarity of a solution of glycerol made by dissolving 63.000 glycerol at 15 in enough water to make 300.00 of solution.
Find the pH during the titration of 20.00 mL of 0.1350 M benzoic acid, C6H5COOH (Ka = 6.3 multiplied by 10-5), with 0.1350 M NaOH solution after the following additions of titrant.
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