chemistry(check my answer)
For the cell: C(s) C+(aq) B+(aq) B(s). Metal ______ is the "negative" electrode. is it C(s)
chemistry(check my answer)
From the Standard Potential Table in your general chemistry textbook: Which reaction has been chosen as the 'standard' against which every other reaction is measured? A. 2H+ + 2e–H2 B. Li+ + e–Li C. O2 + 4H+ + 4e–2H2O D. F2 + 2e–2F– E. H2 + 2e...
math
how do you take log(-63)
calculus
when finding area, what does it mean when it says that the function is below by the x-axis, can you give me example of this
chemistry
Wich of the following is NOT true about the blank for the experiment, 'Analysis of a Complex Iron Salt'? A. A blank is titrated to correct for any reactive impurities in the solvent. For this experiment, the impurities would be reducing agents that would react with KM...
chemistry(check my asnwer)
Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– Mn2+ + CO2 MnO4– + Fe2+ Mn2+ + Fe3+ ? A. KMnO4 is not added to either reaction. B. The presence of K+ would result in a net positive charge in the produ...
chemistry(check my work)
Which of the following is NOT true of colligative properties? Colligative properties are... A. dependent on the mass of solute present. B. independent of the chemical identity of the solute. C. dependent on the molar mass of the solute. D. responsible for lowering the vapor p...
chemistry(check my work)
The freezing point of a solution is A. lower than the freezing point of the solvent alone because higher temperature is required to accelerate solvent molecular motion enough to overcome obstructon by solute particles.. B. higher than the freezing point of the solvent alone be...
chemistry(check my explanation)
sorry to repost this question but i'm confused on this part The solubility of borax is directly proportional to temperature. Therefore, the sign of H is A. negative B. positive C. unknown with the given information like you said earlier, borax dissolves when heat is added,...
chemistry(check my work on anothe rproblem)
When a reaction mixture with a total volume of 1390 mL that is 0.00791 M aqueous Ba2+ was stoichiometrically produced as per the balanced equation, what mass (g) of Ba2+ was required? Ba(OH)2(aq) + 2 HClO4(aq) → Ba(ClO4)2(aq) + 2 H2O(l) .00791x1.39=mole of Ba2+ mole of ...
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