    By definition, a BTU is the amount of energy required to raise one pound of wat â¦ er one degree F.     But you have one gallon of water, which weighs approximately* 8.34 pounds. So, you'd need 8.34 BTU to increase one gallon of water one degree F.     Note how the amount of time was not important. BTU is required to raise 1lb of water 1 degree F in 1 hour. 212-75=137 degrees 600 lbs water x 137 degrees= 82,200 BTU's required to change 75 degree water to 212 degree w â¦ ater.
Additional symptoms of Lymphangitis might include: Fever; Chills; Headache; Rash; Vomiting; Lymphangitis Causes. Lymphangitis is known by the painful, red streaks that can be seen beneath the skin surface. These streaks typically run from the origin of the infection to the armpit or groin area. The entire arm might swell, and blisters might also develop.
Final Thoughts on Lymphadenitis. 1  Lymphadenitis is when one or more of your lymph nodes is enlarged, which is usually due to an infection. 2  The main symptom of lymphadenitis is enlarged or swollen lymph nodes. 3  Lymphadenitis occurs when the lymph nodes become swollen and enlarged.