Calculate the enthalpy of vaporization
Calculate the enthalpy of vaporization. For water, at its boiling point, the entropy of vaporization is118 J/(K mol). Assume a pressure of 1 atm.
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Let X be the time (in minutes) between two successive purchases at a commercial website. We believe that X has an exponential distribution with parameter alpha = 0.2 purchases per minute.
Analyze the average kinetic and potential energies,(Ekinetic) and (Epotential), for the ground state (n=0) of the harmonic oscillator by carrying out the appropriate integrations.
Identify the expected change in temperature for 3.5 g of NH4NO3dissolved in the 75.0 mL of H2O. Assume that the calorimeter absorbs no heat, ie: C cal=0
A 0.4512g of the primary standard Na2CO3 needed 36.44mL of HCl solution to reach the endpoint in the reaction. How can obtain the molarity of HCl?
According to manufacturer of M&M candy, the color distribution for plain chocolate M&Ms is 13% brown, 13% red, 14% yellow, 24% blue, 20% orange, and 16% green. A Stat 200 student found a bag of 350 M&M's at Costco.
Discuss what volume will 5.4 moles of sulfur hexafluoride (SF6) gas occupy if the temperature and pressure of the gas are 128°C and 9.4 atm?
Determine the activation energy for this reaction when heated to a high temperature, cyclo-propane is converted to propane; the rate constants for this reaction are 1.10 x 10-4 s-1 at 470oC abd 1.02 x 10-3 s-1 at510oC.
Determine ΔU for the process. Assume the gas behaves as a van der Waals gas under these conditions when a sample of 2.0 mol of N2 (Cv, m= 1.5R) is initially at 100 bar and 301.15K. The sample is then compressed to 500 bar while it is cooled
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Laurie's study also validated that among the study participants the topic of sexual abuse/assault was a top choice of interest for group
Problem: Pick a mental health/behavioral disorder or issue that typically presents in childhood or adolescence.
Carl Rogers identified active listening, unconditional positive regard, and accurate empathy as core conditions for successful helping relationships.
Discuss why researchers generally try to ensure that the participants in the comparison group are similar, as much as possible, to the participants
write a HPI for an Initial Psych intake based on these information: Patient comes in for an initial evaluation for medication management of past psych history
state of Georgia frequently mandates specific rehabilitative services during sentencing to address the underlying behavior of substance abuse.
Research Questions: How does social media influence interpersonal communication among different age groups?