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Define what is the pH of the solution when 18.30 mL of 0.137 M trisodium hemimellitalate (trisodium benzene 1,2,3, tricarobxylate) is mixed with 25.00 mL of 0.274 M HNO3 (to two d.p.)?
a work moment and energy all have the same units. what are the difference between them ? answer should be 2 to 3
Not enough sodium hydroxide was added, so the solution was still acidic when the beaker was heated to convert the copper(II) hydroxide to copper(II) oxide.
to what temperature will a 50.0 g piece of glass raise if it absorbs 5275 joules of heat and its specific heat capacity
How much heat is required to convert 46.0 grams of ethanol in the liquid state at 25 degrees C to the vapor state at its boiling point of 78 degrees C, given the specific heat of the liquid is 2.3 J/g-K and its delta Hv is 38.56 kJ/mol
copper ii sulfate dissolve sin water to form a blue solution. what species are present in the solution ie what is
Which has the lowest freezing point: CaF2, (NH4)3PO4, C6H12O6, or NaNO3?
The addition of S2- ion to Fe(OH)2(s) results in the formation of FeS(s). Explain why the addition of S2- ion to Cr(OH)3(s) does not result in the formation of Cr2S3(s).
If replacing magnesium with an equal weight of sodium, how would the enthalpy of the reaction changed?
Calculate the solubility-product constant for Zn3(AsO4)2. Ksp = (c) The Ksp of Ag2CO3 at 25 oC is 8.46e-12. What is the molar solubility of Ag2CO3? solubility = mol/L
Given stock solutions of glucose (1M), asparagine (100 mM), and NaH2PO4 (50 mM), how much of each solution would you need to prepare 500 mL
Calculate the standard reduction potential for the X half-reaction. The standard reduction potential of the copper half-reaction is 0.52 V. (Hint, write the half-reactions and the overall chemical equation for the spontaneous reaction.)
Calculate the standard free energy change, and determine whether or not the following reaction is spontaneous under standard conditions:
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