How can I make my PowerPoint presentation attractive and easy to understand the content? Design and Graphical Images Use design templates. Standardize position, colors, and styles. Include only necessary information. Limit the information to essentials. Content should be self-evident. Use colors that contrast and compliment. Too may slides can lose your audience. Keep the background […]
What is the typical salinity of seawater?
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 fast does ultrasound travel through air?
How fast does ultrasound travel through air? It is important in image resolution. Figure 7. Sound waves must have a medium to pass through. The speed at which a sound wave travels through a medium is called the propagation speed or velocity….C. The Basic Process in Greater Depth. Material Velocity (m/s) air 331 fat 1450 […]
Can you use PEX for underground water line?
Can you use PEX for underground water line? In slab and underground Some plumbing contractors may be surprised to know that PEX is approved for use in underground as well as in-slab applications. What type of PEX is best for underground? Although an unbroken line of PEX would be ideal, dezincification-resistant brass PEX fittings or […]
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 […]
What is full form of ch2?
What is full form of ch2? Alternative Title: ethene. Ethylene (H2C=CH2), the simplest of the organic compounds known as alkenes, which contain carbon-carbon double bonds. It is a colourless, flammable gas having a sweet taste and odour. Why is ch2cl2 called methylene chloride? It is named like methylene dichloride(Cl-CH2-Cl) because of having the -CH2- group […]
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 […]
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 […]