18.1.4 – 18.1.6 CALCULATIONS INVOLVING ACIDS AND BASES Review of Important formulas pH = ‐ log10[H+] [H+] = 10‐pH pKa = ‐ log10 Ka Ka = 10‐pKa pOH = ‐ log10[OH‐] [OH‐] = 10‐pOH pKb = ‐ log10 Kb Kb = 10‐pKb The ionic product of water = Kw = [H+] x [OH‐] = 1.0 x 10‐14 mol2 dm‐6 at 298 K The expression varies with temperature
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Economic Base Description The county has a successful agricultural and manufacturing base holding a top 10 ranking in the state for a number of agricultural categories. The Capital Region International Airport is also located in the southern tier of Clinton County. A Clinton County Economic Alliance has been formed to promote the region as a great place to live and do business. The Clinton County Economic Alliance is a partnership of government and private sector organizations in Clinton County
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execution. The situation was certainly no different with the Midsouth Chamber of Commerce (MSCC). With respect to the MSCC’s information systems‚ each decision put the organization into an increasingly worse position that finally reached its apex as this case begins. Summarize what processes can be used to manage the chaos in Midsouth Chamber of Commerce information systems. The Vice President of Marketing at the Midsouth Chamber of Commerce (MSCC) Leon Lassiter has updated their systems but are having
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Acids and Bases Shane Purpose- To study the relationship between pH and metabolism. 10/21/13 Materials- see attached Per. D Biology Procedure- see attached Data and Results- see attached Theory- PH stands for the power of hydrogen. People refer to the pH scale as a tool for finding out if a substance is acidic‚ basic‚ or neutral. This scale goes from zero to fourteen. The number seven is neutral. Any number higher than seven on this scale is basic. Any number lower is acidic
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consistency. Consistency requires minimal temperature sensitivity. For those who anticipate shooting in different climate settings‚ single-base propellants (also known as nitrocellulose) will have less performance variation with temperature fluctuation when compared to double-base powders. Hodgdon and Vihtavuori 100 series are great examples of single-base powders.
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ACID/BASE You might need to know the following K values: CH3COOH Ka = 1.8 x 10–5 Benzoic Acid Ka = 6.5 x 10–5 HNO2 Ka = 4.5 x 10–4 NH3 Kb = 1.8 x 10–5 HF Ka = 7.2 x 10–4 H2S Ka = 5.7 x 10–8 HSO4– Ka = 1.2 x 10–2 HS– Ka = 1.2 x 10–13 HCOOH Ka = 1.8 x 10–4 HOCl Ka = 3.0 x 10–8 SIMPLE ACIDS AND BASES 1. According to the Brønsted–Lowry definition‚ which species can function both as an acid and as a base? (A) Cl– (B) SO42– (C) NH4+ (D) HCO3– (E) H3O+ 2. Which of the following
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oblongata as well as airway obstruction may cause respiratory acidosis. 3. Explain how the renal system would compensate for respiratory acidosis. The kidneys regulate the amount of H+ ions and HCO 3- excreted in the urine which regulate acid base balance. A C T I V I T Y 3 Renal Responses to Respiratory Acidosis and Respiratory Alkalosis 1. Describe what happened to the concentration of ions in the urine when the PCO2 was lowered. How well did the results compare with your prediction
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Harry Potter and the Chamber of Secrets has the Muggle-born wizards and witches at Hogwarts under threat from the mysterious Heir of Slytherin. The Heir opens the Chamber of Secrets that is hidden in Hogwarts and unleashes the monster inside‚ which petrifies some of the “Mudbloods”. Harry Potter finds the Chamber of Secrets and faces a basilisk; a creature known for its killing gaze. Harry Potter‚ in his latest adventure‚ saves the Muggle-born witches and wizards in Hogwarts from a powerful adversary
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and leftovers is a way of counting that same quantity. Counting plays a role in constructing base-ten ideas about quantity. Each approach helps children think about the quantities in a different way. Counting by one‚ is a primary way they can name
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lubricating system. The crushing chamber is decided by the purpose of ore‚ the standard model is suitable for medium crushing; the medium model is suitable for fine crushing and the short head model is suitable for fine crushing. The installation of the main parts of the machine maintains the same for the purpose of convenient to the installation and maintenance‚ saving investment and optimization of the crushing effects. Adopting the pentagon crushing chamber‚ and on the condition of keeping the
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