What is the ph of the solution a dye
Suppose you have 0.001 M solution of a dye with pka of7.2. from the color, concentration of protonated form is found to be 0.0002 M. Assume remainder of the dye is in the deprotonated form. What is the pH of the solution?
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Draw an energy diagram that explains why pyridine is a better nucleophile AND leaving group in the following reaction.
The vapor pressure of CH3 COCH3 (propanone or acetone), is 67 Torr at 0 ? C and 222 Torr at 25 ?C. What is the standard enthalpy of vaporization of propanone? Answer in units of kJ/mol.
Calculate the standard emf of a cell that uses the Mg/Mg^2+ and Cu/Cu^2+ half-cell reactions at 25 degrees celsius. Write the equation for the cell reaction that occurs under standard-state conditions.
A calorimeter contains 34.0 mL of water at 13.5, ^{circ}C. When 1.80 g of rm X (a substance with a molar mass of 70.0 g/mol) is added. Calculate the enthalpy change, Delta H.
What is the formula for solving the following problem? The specific heat of Ti is .523 J/gcelcius. What is the final temperature of 62g of Ti intially at 41celcius after 8.5kj of heat is added?
Say you removed an ice cube at -10 ºC weighing 36 g from your freezer. Now you place the ice cube in a 90 g sample of liquid water at 20 ºC in an insulated (thermally isolated) container. Describe the final state of the system in terms o
Then 25 mL of the solution are reacted with excess AgNO3 and 0.3800g AgCl precipitate formed. What was the mass percent of D2O in the original sample of enriched water?
Gaseous germane reacts according to the balanced equation. If a total of 5240 kJ of heat is produced in the reaction as written, how many moles of O2 are consumed?
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1. What is the appropriate pharmacologic treatment for AM? 2. What is the appropriate follow up for AM? 3. How should AM be counseled regarding his contact lens
Describe a conflict you have encountered in your nursing practice. Identify the roles of the stakeholders involved. Do not identify the stakeholders by name.
ZM is an 8-year-old male who is brought to the clinic by his mother for complaints of acute left ear pain. She has recently picked him up from a week-long stay
Identify a specific public health issue that you believe needs to be highlighted more in health policy and based on your textbook readings
Based on Lovasi et al (2018), what local policies would you recommend making the micro-food environment more reflective of healthy eating?
Modern psychopharmacology is largely the story of chemical neurotransmission. One must be fluent in the language and principles of chemical neurotransmission to
1. Define treatment refractory anxiety. 2. Describe two common comorbidities of treatment refractory anxiety.