|
Author Question: What mass of sulfur hexafluoride, SF6, has the same number of fluorine atoms as 50.0 g of oxygen ... (Read 187 times) |
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
On average, the stomach produces 2 L of hydrochloric acid per day.
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.