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Why is practicing "mentally" a pitfall and how will you avoid this?
How might technology aid the practice phase of your speech presentation?
What is your best strategy for effective practice?
Cyanide ions are oxidized by the permanganate ions in basic solution according to unbalanced equation: CN- + MnO4- → MnO42- + CNO-
How many electrons are transferred in the following oxidation reduction reaction. 3 Sn2+(aq) + Cr2O72-(aq) + 14 H+ = 3 Sn4+(aq) + 2 Cr3+(aq) + 7 H2O(l)
Chemicals that minimize changes to pH in a solution.- At pKa you have maximum resistance to pH change. Buffering zone usually +/- 1 pH unit.
Calculate the pH at each point listed for the titration of 25.00 mL of 0.1000 M formic acid with 0.1000 M KOH. The points to calculate are Vb = 0.00, 12.50 and 25.00 mL
a steel cylinder holds 150.0 mol argon gas at 25 degrees c and a pressure of 9.53mpa. after some argon has been used
Volume after mixing is 131mL. Kf=1.86 C/m -- Kb=0.512 C/m Calculate the freezing point and boiling point?
Please explain the difference between Formula Units and Molar Mass. Discuss what a "Kelvin" is and for what it is used.some details please. Does a baseball have a deBroglie wavelength? If no, why not? If yes, why can't we see it?
calculate the mass of nitrogen dissolved at room temperature in an 77.0 home aquarium. assume a total pressure of 1.0
Compound A (C11H16O) has a band in the IR spectrum at 3450 cm%u20131 (strong, broad) and does not react with pyridinium chlorochromate (PCC) in CH2Cl2
What is the movement of electrons in an ammonia and hydrochloric acid reaction?
consider a solution formed by mixing 51.0 ml of 0.100 m h2so4 27.0 ml of 0.100 m hocl 25.0 ml of 0.200 m naoh 25.0 ml
A 10.00-mL sample of sulfuric acid from an automobile battery requires 35.08 mL of 2.12 M sodium hydroxide solution for complete neutralization.
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