Recent content by kkcool

  1. K

    A 137 g rat enters a kitchen and eats 5 sugar (sucrose) cubes each

    Don't even know where to start. Can you give pointers in how to begin?
  2. K

    Calculating the Cost of Heating Water for a 10 Minute Shower

    I don't even know how to begin to solve the problem. Can you give pointers on how to start?
  3. K

    A 137 g rat enters a kitchen and eats 5 sugar (sucrose) cubes each

    A 137 g rat enters a kitchen and eats 5 sugar (sucrose) cubes each weighing 2.5 g. The sugar is rapidly metabolized aerobically to CO2 and H20. Assuming the only weight loss for the rat is the loss of CO2 gas (water is retained) how many grams does the rat weigh once the sugar is metabolized...
  4. K

    Calculating the Cost of Heating Water for a 10 Minute Shower

    If you have a 10 min shower using hot water at a rate of 10L/min, how many dollars does it cost to heat the water using natural gas if hte price of natural gas is $9.00 per GJ? Assume the T of the hot water is 45 C and the T of the cold water that needs to be heated is 10 C. Heat capacity of...
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