What is the standard enthalpy of vaporization of propanone
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.
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A 0.5078g sample of impure nitrobenzene was treated with 1.044g of tin. when the reaction was complete, the residual tin was found to weight 0.338g. Calculate the percentage of nitrobenzene in the sample.
The vapor pressure of chlorine dioxide (ClO2 ) is 155 Torr at -22.75 ?C and 485 Torr at 0 ? C. What is the normal boiling point of chlorine dioxide? The universal gas constant is 8.314 J K/mol .
Biological organisms live at great depths in the ocean and they have adapted their bodies to survive at extreme temperatures and pressures in the dark. One of the adaptations is to equilibrate their internal pressure with the external pressure. Ca
Draw an energy diagram that explains why pyridine is a better nucleophile AND leaving group in the following reaction.
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.
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?
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?
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How can different research methods support culturally responsive and client-centered practice? Share an example of how a method might help
Sociologist John Lee identified six "colors" or categories of love: Eros is the name for love that is passionate, romantic, and physical.
Describe some factors that lead to social mobility in the K-12 system. Summarize how education can help or hinder social mobility
Explain a strategy social workers can use for each tenet to challenge Eurocentric norms or address the pervasive influence of Whiteness within the profession.
Question: Which of the following is NOT true of the sociological perspective on religion?
One social justice issue I am particularly drawn to would be the gap between the rich and the poor, but specifically the greed of the rich.
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