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Author Question: When hydrogen is added to 1-pentene in the presence of a platinum catalyst, the product is 1-pentyne. (Read 36 times) |
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.