A weak acid ha has a ka value of 386 x 10-9 what is the kb
A weak acid, HA, has a Ka value of 3.86 x 10-9. What is the Kb of A-? Use E notation and 3 significant figures.
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Use the values of Ka1 = 0.056 and Ka2 = 5.4 x 10-5 to calculate the [OH-] in a 0.898 M solution of oxalic acid (H2C2O4). Use E notation and 3 significant figures.
Is Porter's five-factor model the best framework to use to evaluate the competitive environment of an industry? Why or why not?
The formula for 1000 g of a cosmetic cream calls for 14.7 g of potassium carbonate (K?CO? x 1.5 H?O). How many grams of potassium hydroxide (KOH) could be used to replace the potassium carbonate?
Describe salient features of two of the three heirs of the Roman Empire (Byzantium, Islam, Western Christian).
A weak acid, HA, has a Ka value of 3.86 x 10-9. What is the Kb of A-. Use E notation and 3 significant figures.
A 1100 kg car increases it speed from 40 km/hr to 60 km/hr in 5 seconds. What is the resultant work done on the car
Using AND and OR gates, design a circuit to gate a single data input to one of four output lines, determined by the binary-encoded index on the two control lines. Which of the following did you design: decoder, demultiplexer, or multiplexer
A 100 kg running back is moving with a speed of 4.0m/s. What average force must be applied to stop him in 0.25 s
What is the significance of the rise of Charlemagne and the Carolingian renaissance in the West? Discuss medieval feudalism, that is, the relationship between a lord and his vassal: the king and queen, the prince, the knight, and the serf.
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