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For the following reaction KClO3---->KCl+1/2 O2 assign oxidation states to each element on each side of the equation...reactants and products. Which element is oxidized? Which element is reduced?
Calculate the pH at the equivalence point for the titration of 0.240 M methylamine
What are the procedural difference between the preparation of tin oxide and magnesium oxide
Draw the structure(s) of the aldehydes with the molecular formula C5H10O that have a three-carbon chain.
buffer contains 0.50 mol NH4+ and 0.50 mol NH3 diluted with water to 1.0 L. How many moles of NaOH are required to increase the pH of the buffer to 10.00? pKa of NH4+ = 9.25.
calculated the concentration of B-Carotene in your 2.00mL sample to be 2.082x10-6 M, how many grams of B-Carotene are in your sample?
Peaks that appear to the right of 3000 cm-1 in an IR spectrum are characteristic for which stretching vibration
Write the net ionic equation for the precipitation of chromium(III) hydroxide from aqueous solution
0.25 mol of formic acid (HCO2H) is dissolved in enough water to make one liter of solution. The pH of that solution is 2.19. The Ka of formic acid is
A solution was prepared by dissolving 432 mg of K4Fe(CN)6 in water and diluting to 1.5L. Calculate the K+ concentration in ppm
According to the activity series, which of these metals will react with most acids to produce H2 gas?
must be added to obtain iced tea at 11.5 C? The specific heat of the tea is 4.18 J/(g*C), and delta H for ice is +6.01 KJ/mol.
Write the balanced equation for the decomposition of one mole of NH4CO2NH2. b) Calculate K at 313 K.
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