Calculate the calorimeter constant
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.
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With this, and assuming a space crew of five, how much LiOH must be taken in a seven day mission? Take into consideration a safety factor of 200%.
Calculate the pH at the equivalence point for the titration of a solution containing 1250.0 mg of hilariamine (MW = 104.75 g/mol, Kb = 7.1×10-4) with 0.1000MHCl solution.
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,
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.
Determine the emf of a fuel cell that oxidizes hydrogen according to the reaction:
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.
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You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
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Early food experiences can impact development over several learning domains, including Social and Emotional Development, Language
Describe the results, including any scores. Result: E6% Extraverted Action oriented, Outgoing, Expressive, Hands-On S17% Sensing Traditional,
Based on information provided in Ch. 11 & 12, how do you define "being an adult"?
Outline a social issue that is important to you. Describe why it is important to you, why it is important from a societal perspective and how you think
Problem 1: Identify a specific theory of cognitive or moral development, and summarize the major assumptions.