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If 1.0mL of 10-ON NaOH is added to 1L of the buffer prepared in (a) how much would the pH change?
Calculate the mass of ethylene glycol required to lower the freezing point of 200 mL of water/ice by 4.5 degrees celsius. The K(f) for H20 is 1.86 degrees celsius/m. Assume the density of water is 1.00 g/ml.
natural gas at standard conditions is transferred to 9.50 kilograms of water (specific heat = 4.18 J/g K), calculate the increase in temperature of the water
A minute sample of AlCl3 is analyzed for chlorine. The analysis reveals that there are 24 chloride ions present in the sample. How many aluminum ions must be present in the sample
the fact that the number of each type of atom on each side is equal is related to the law of conservation of mass.
Which of these is not a protease that acts in the small intestine?
the hydrogen atom relaxes to a lower energy level, emitting light of 397nm. What is the value of n for the level to which the electron relaxed
Calculate the pH at the midpoint and at the equivalence point for a titration of 25mL of 0.100M potassium hydrogen phthalate with 0.100M KOH.
Predict just the first step that might occur between the polyphenol shown below and Na2CO3
Reaction Mechanism: Draw a reasonable reaction mechanism (i.e. show the electron movement) for the synthesis of 2-butoxynaphthalene.
Its activation energy is 262 kJ/mol. At 477 celcius its half life is 5 minutes. What is its half life at 527 celcius (in seconds)?
What is the pH of a solution that has a formic acid (HCHO2) concentration of 0.39 and a potassium formate (KCHO2) concentration of 0.12? The Ka for formic acid is 1.7 x 10-4.
A certain medal hydroxide M(OH)2, contains 32.8% oxygen by mass. What is the identity of the metal M
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