Questions asked by Quinn

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• 1.00kj of energy transferred as heat to O2, external pressure is 2.00atm. O2 expands from 1.00L to 3.00L against this constant pressure. Calculate w and change in internal energy (delta U) when O2 is ideal gas?
  
• S With a short time remaining in the day, a FedEx driver has time to make deliveries at 6 locations among the 9 locations remaining. How many different routes are possible?
  
• Use the enthalpy of combustion of propene CH2= CHCH3(g), #Delta#HCo =-2058 kJ mol-1, and the fact that #Delta#Hfo[H2O(l)] = -285.83 kJ mol-1, and #Delta#Hfo[CO2(g)] -393.51 kJ mol-1, to find its enthalpy of formation?
  
• Use the definition of ΔU to find the molar change in internal energy for the formation of urea?
  
• Without computing the actual value of the entropy change, predict its sign for the following reactions. Begin by balancing the equation for each, paying close attention to the phases that are stable at T = 298K and 1.00 bar of pressure?
  
• Calculate the standard entropy of vaporization of argon at its normal boiling point ?
  
• Use Trouton’s rule to estimate the standard enthalpy of vaporization of liquid bromine, which boils at #59.8^@ "C"#?
  
• Expected Value for the Ohio Pick 4 Lottery In the Ohio Pick 4 lottery, you can bet $1 by selecting four digits, each between 0 and 9 inclusive. If the same four numbers are drawn in the same order, you win and collect $5000?
  
• Normal probability Distribution question from a small sample?