The boiling temperature of nitrogen is â195.8 Â°C (â320.4 Â°F), about 13 Â°C (â23 Â°F) below that of oxygen, which is therefore left behind. Nitrogen can also be produced on a large scale by burning carbon or hydrocarbons in air and separating the resulting carbon dioxide and water from the residual nitrogen.
Acidic foods like citrus fruits can stimulate acid production and increase heartburn. Avoid oranges, grapefruit, lemons and their juice. Like citrus fruits, tomatoes and products made from tomatoes (tomato sauce and paste, tomato juice) can stimulate the stomach to produce more acid.
Pepper, Mexican food, chili, and any other food that is loaded with pepper or other spices can trigger heartburn, says Deepa A. Vasudevan, MD. Vasudevan is an assistant professor of family medicine at The University of Texas Medical School at Houston.kip the after-dinner mints -- especially after a rich meal. They may be good for your breath on a date, she says, but they are not so good if you are prone to heartburn.. Peppermint may increase your chances of heartburn because it relaxes the sphincter muscle that lay between the stomach and esophagus.