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Which compound in each pair has a higher melting point? can you explain why or show how you got the answer
A) RbI or KI
B) MgCl2 OR MgBr2
H2O2 serves as an oxidizing agent or as a reducing agent. write equations for the reactions involved. what is the major difference between the conditions of the two reactions.
Enter the coefficient for each compound, seperated by commas, in the order in which they appear in the equation (e.g., 1,2,3,4,5,6,7).
silver iodide in grams will dissolve in a solution that is a 2.0 x 10^-4 M silver nitrate when the system reaches equilibrium
The flask was then shaken until the solution was uniform. A 55.0-mL sample of this glucose solution was diluted to 0.500L . How many grams of glucose are in 100mL of the final solution?
Calculate the pH of a buffer that is 0.158 M HClO and 0.099 M NaClO. The Ka for HClO is 2.9 x 10-8
for the reaction represented by the equation cl2 2kbr reg 2kcl br2 calculate the percentage yield if 200. g of
The common forms of nitrogen and phosphorus are N2(g) and P4(s) respectivly. Account for the difference in terms of the single and multiple
a nugget of pure gold of 4.80 grams is absorbed 284 joules of heat. if the initial temperature was twenty eight degree
capacity change if you add 0.2 M of benzoic acid to the buffer made of 0.3 M of acetic acid and 0.5 M of sodium acetate
2 Al2O3(s) → 4 Al(s) + 3 O2(g) . ?H = +3339.6 kJ/mol What is ?H for the formation of one mole of Al2O3(s) from the elements?
If a buffer solution is 0.260M in a weak base (Kb=5.6x10^-5) and 0.550M in its conjugate acid, what is the pH.
Suppose 1.07 g of FeCl3 is placed in a 75.0 mL volumetric flask, water is added, the mixture is shaken to dissolve the solid, and then water is added to the calibration mark of the flask. Calculate the molarity of each ion present in the solution.
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