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A buffer is to be prepared by adding solid sodium acetate to 0.10 M CH3COOH. Which of the following concentrations of sodium acetate will produce the most effective buffer?
What is the charge on magnesium iodide? What does the charge on the magnesium ion have to do with the number of valence electrons that an atom of magnesium has?
A zero-order reaction has a constant rate of 1.60×10-4 . If after 35.0 seconds the concentration has dropped to 2.50×10-2 , what was the initial concentration?
Define Bonding and Molecule formation, Kn1 knowledge and understanding of atomic and molecular structure, chemical bonding, chemical formulas, chemical equations, mole calculations and the mole concept and the relation between elements of the Peri..
Why should a distilling flask be filled to not more than two-thirds of its capacity at the beginning of a distillation procedure?
Draw an oxygen consumption cruve for a suspension of isolated mitochondria when the following compounds are added in the indicated order. With the addition of each compound all of the previously added compounds remain present.
Calculate the individual concentrations of C and of D in the following unknown mixture: Compound C: Absorbance at 365nm = 0.150 Absorbance at 470nm
If 20.g of NaCl are used, how many grams of H2SO4 are required for complete reaction? Using the balance equation 2NaCl(s)+ 1H2SO4(aq)= 2HCl(aq)+ 1Na2SO4
When 14C labeled 4-hydroxyproline was administer to rats, the 4-Hydroxyproline in newly synthesized collage was not radiolabeled
Calculate the amount of energy present in the following photons and find the region of electromagnetic spectrum for each.
Determin whether each of the following equation is balanced or unbalanced: a) PCl3(l)+Cl2(g)--->PCl5(s), b)CO(g)+2H2(g)--->CH3OH(l), c)2KClO3(s)--->2KCl(s)+O2(g), d)Mg(s)+N2(g)--->Mg3N2(s).
Calculate the length in km of a row containing 1 mole of hydrogen atoms laid side to side if diameter of a hydrogen atom =.212 nm?
Calculate the enthalpy change in kilojoules when some KOH is added to 47.727 g of water and the temperature increases
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