What is the typical salinity of seawater? about 35 parts per thousand How much salt is in tap water ppm? EPA reports that seventy six percent of US drinking water contains sodium at 100 ppm or less. Only 1.3% of US drinking water supplies exceed 400 ppm. Conventional water softening systems usually add substantial quantities […]
What is the role of thin film interference?
What is the role of thin film interference? Thin-film interference explains the multiple colors seen in light reflected from soap bubbles and oil films on water. It is also the mechanism behind the action of antireflection coatings used on glasses and camera lenses. Why does the pattern of colors repeat in a thin soap film? […]
How can I speak positive?
How can I speak positive? These tips can help: Identify negative self-talk traps. Certain scenarios may increase your self-doubt and lead to more negative self-talk. Check in with your feelings. Stop during events or bad days and evaluate your self-talk. Find the humor. Surround yourself with positive people. Give yourself positive affirmations. How can I […]
Which could accept a hydrogen bond?
Which could accept a hydrogen bond? The nitrogen atom is called the hydrogen bond acceptor, because it is “accepting” the hydrogen from the oxygen. In the picture of two water molecules at lower right, the oxygen of the water molecule B is the hydrogen bond donor. The oxygen of water molecule A is the hydrogen […]
What are some good examples of insulators?
What are some good examples of insulators? Examples of insulators include plastics, Styrofoam, paper, rubber, glass and dry air. What is the strongest conductor? Silver. Silver is the strongest conductor out of all known materials. However, because silver is a relatively costly and sought-after material, it is not frequently used for its conductive properties. Is […]
What are the 2 types of operating system?
What are the 2 types of operating system? What are the types of an Operating System? Batch Operating System. In a Batch Operating System, the similar jobs are grouped together into batches with the help of some operator and these batches are executed one by one. Time-Sharing Operating System. Distributed Operating System. Embedded Operating System. […]
What will be the effect if you stop doing exercises?
What will be the effect if you stop doing exercises? If you quit your gym membership and stop exercising regularly, there can be significant changes to your body and health. You could be at greater risk of high blood pressure, high levels of fat in the blood, certain cardiovascular diseases, obesity, depression, and low self-esteem. […]
What is NaCl formula unit?
What is NaCl formula unit? Sodium chloride , commonly known as salt (although sea salt also contains other chemical salts), is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. With molar masses of 22.99 and 35.45 g/mol respectively, 100 g of NaCl contains 39.34 g Na […]
How far is the core from the crust?
How far is the core from the crust? The ball-shaped core lies beneath the cool, brittle crust and the mostly-solid mantle. The core is found about 2,900 kilometers (1,802 miles) below Earth’s surface, and has a radius of about 3,485 kilometers (2,165 miles). Do you need planning permission to dig out a basement? Excavating to […]
Will AC work if thermostat is bad?
Will AC work if thermostat is bad? Under most circumstances, a bad thermostat will not have any effect whatsoever on the air conditioning system. The AC system is a completely separate entity; the only connection it has to the engine is at the compressor pulley, which derives its power from the crankshaft. How do I […]