Patient #1 goes to the doctor because they have not been feeling well for more than 10 days. They say they are feeling tired, swollen lymph nodes in the neck, headache, and vomiting.
What type of infectious agent is causing this and how should it be treated?

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg. how much energy e must be supplied to the device? express your answer in joules.