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Author Question: Ka for HCN is 4.9 10-10. What is the pH of a 0.068 M aqueous solution of sodium cyanide? A) 0.74 ... (Read 114 times) |
If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Asthma cases in Americans are about 75% higher today than they were in 1980.
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.