Calculate the ph of a buffer
Calculate the pH of a buffer that is 0.158 M HClO and 0.099 M NaClO. The Ka for HClO is 2.9 x 10-8
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Addition of HBr to 1-phenylpropene yield only (1-bromopropyl)benzene. Propose a mechanism for the reaction and explain using resonance structures why none of the other regioisomer is produced?
At 50 degree's Celsius the vapor pressure for methanol and ethanol are 406 and 222 torr, respectively. Given a mixture at 50 degree's Celsius that contains 0.2 mol of methanol and 0.1 mol of ethanol, compute the partial pressures of each liquid an
For Na+ and Mg+ ions, compare the ratios of the number of ions in the 3p excited state to the number in the ground state in
When a 45 g sample of an alloy at 100 c is dropped into 100 g of water a 25C, the final temperture is 37 C. what is the specific heat of the alloy?
A metal object with a mass of 19g is heated to 96 degrees Celsius, then transferred to a calorimeter containing 75g of water a1 18 degrees Celsius. The water and metal object reach a final temperature of 22 degrees Celsius. What is the specific he
How enzymes work Sometimes the difference in (standard) free-energy content, G", between a substrate S and a product P is very large, yet the rate of chemical conversion, S P, is quite slow. Why?
Boron has two naturally occurring isotopes, 10B (19.9%)and 11B (80.1%). Although the B2 moleculedoes not exist naturally on Earth, it has been produced in thelaboratory and observed in stars. (a) How many differentB2 molecules are possible? (b) Wh
What volume of fuel should you bring? Assume each of the following: the fuel has an average formula of C7H16; 15% of the heat generated from combustion goes to heat the water.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult