Determine the emf of a fuel cell
Determine the emf of a fuel cell that oxidizes hydrogen according to the reaction:
2H2 (g) + O2 (g) --> 2H2O (l)
under the following conditions: pH = 0, PH2 = 1 atm, PO2 = 0.2 atm.
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What volume and mass of steam at 100 degrees C and 1.00 atm would, during condensation, release the same amount of heat as 100.cm^3 of liquid water during freezing? What do you note, qualitatively, about the relative volumes and masses of steam an
A sample of H½O with a mass of 46.0 grams has a temperature of -58.0 àC. How many joules of energy are necessary to melt 46.0 grams of ice? (Use 2.1 J/gàC for the specific heat of ice,
Consider 25.0 g of water at 21.7°C that are mixed with 25.0 g of water at 43.3°C in a foam cup calorimeter. The equilibrium temperature reached was 30.4°C. Calculate the calorimeter constant in J/°C.
Calculate the molality and molarity of an NH3 solution made up of 37.0 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
A 2.5-L sample of a 6.3M NACl solution is diluted to 75L. What is the molarity of the diluted solution?
Choose a current issue of consumer reports, money, BusinessWeek, or Kiplinger's Personal Finance and summarize an article that updates the costs of health care.
Calculate the density of a solid cube that measures 4.79 cm on each side and has a mass of 420
From the case study, determine Staples’ competitive advantage and its current business model. Next, use a brief SWOT analysis to analyze the primary way in which the company executes a strategy for growth based on its SWOT analysis.
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: The National Council for the Social Studies (NCSS) outlines a developmental sequence for social studies-the youngest children learn about their neighborhood
Begin your work by examining each of the following therapeutic approaches and consider the counseling theory that best aligns with each approach:
A counseling center receives a referral for a college student struggling with academic motivation, relationship problems, and anxiety about the future.
Formulate different questions by same topic from the questions below? How might connection to one's culture improve their ability to engage in somatic psycholog
This week, share your thoughts regarding the measurement of behaviors in applied behavior analysis. Identify something in your own life
This week we are examining Counselor Competence and Training. Complete the Self Inventory on page 342. Answer the questions below:
Clinical mental health counseling versus school counseling really brought to light for me how influential professional organizations are on our field.