The heat equivalent of 1 cubic foot of propane and natural gas are 2,500 Btu for propane and 1,050 Btu for natural gas. For example, assume you are using propane gas. The heat produced by 1 cubic foot of propane when burned is 2,500 Btu. Multiply the flow rate in cubic feet of fuel per hour by the amount of heat produced by 1 cubic foot of fuel. Continuing the example, assume the flow rate of propane was 15 cubic feet per hour. The number of Btu produced per hour is 2,500 Btu / cubic foot of propane x 15 cubic feet / hour = 37,500 Btu per hour.
Klinefelter syndrome is a genetic condition that occurs in males when they have an extra X chromosome. Most people have 46 chromosomes. Chromosomes contain all of your genes and DNA, the building blocks of the body. The 2 sex chromosomes (X and Y) determine if you become a boy or a girl. Girls normally have 2 X chromosomes. Boys normally have 1 X and 1 Y chromosome. Klinefelter syndrome results when a boy is born with at least 1 extra X chromosome. Usually, this occurs due to 1 extra X. This is written as XXY. Klinefelter syndrome occurs in about 1 out of 500 to 1,000 baby boys. Women who get pregnant after age 35 are slightly more likely to have a boy with this syndrome than younger women. Symptoms may include any of the following: Abnormal body proportions (long legs, short trunk, shoulder equal to hip size)
Klinefelter syndrome can be caused by: 1  One extra copy of the X chromosome in each cell (XXY), the most common cause. 2  An extra X chromosome in some of the cells (mosaic Klinefelter syndrome), with fewer symptoms. 3  More than one extra copy of the X chromosome, which is rare and results in a severe form.