Category: Physics

What is oxidation number of CO? The oxidation number of monoatomic ions is the same as their charge. You already know this one. This means that for Na+, the oxidation number is +1 and for Cl-, the oxidation number is -1. Oxygen is assigned a -2 oxidation number in covalent compounds. This refers to compounds […]

What is the pH of soft drinks? around 2.5 to 3.5 What pH is skin? around 5.5 What pH is harmful to skin? “The pH of your cleansers matters because something that is high pH, 9 and above, can be too drying and stripping for your skin, says Cho. “When your acid mantle and skin […]

How long does an atomic battery last? The California-based startup NDB has unveiled a battery that uses nuclear waste and lasts up to 28,000 years. The power of the nano-diamond battery comes from radioactive isotopes used in nuclear reactors. What do atomic batteries power? An atomic battery, nuclear battery, radioisotope battery or radioisotope generator is […]

In what stage is carbon dioxide converted into carbohydrates? Atmospheric carbon dioxide is converted to glucose during the Calvin-Benson cycle. This requires the overall reduction of CO2, using the electrons available from the oxidation of NADPH. Thus the dark reactions represent a redox pathway. NADPH is oxidized to NADP+ and CO2 is reduced to glucose. […]

What is the lifespan of ISS? Although its modules were originally designed for a 15-year lifespan, the ISS is slated to operate until its 30th anniversary in 2028, and possibly beyond. Do Astronauts get Internet in space? Originally Answered: Do astronauts have internet access in the outer space? Yes, the International Space Station has an […]

Is there normal force in free fall? Gravity causes the object to travel downward and horizontally along the plane’s surface. Eventually, if the angle of incline increases enough, we would be taking , which is zero; if the object is in free fall (the plane is vertical), then there is no normal force. What is […]

What should reply of Wassup? Folks the answer to wassup is “nothing much”, please don’t say any of the stuff like fan, sky, ceiling. That’s plain stupid and reflects poorly on the one saying it more than anyone else. How do you respond to a flirty way? But if you need a little help or […]

Is dark screen better for eyes? While dark mode has a lot of benefits, it may not be better for your eyes. Using dark mode is helpful in that it’s easier on the eyes than a stark, bright white screen. However, using a dark screen requires our pupils to dilate more to take in information. […]

What is the scientific notation for 23000? 23,000 (twenty-three thousand) is an even five-digits composite number following 22999 and preceding 23001. In scientific notation, it is written as 2.3 × 104. How do you write 23000 as a decimal? So, 9728 is the decimal equivalent of the octal number 23000. How do you say 23000? […]

What is the meaning of findings? Someone’s findings are the information they get or the conclusions they come to as the result of an investigation or some research. One of the main findings of the survey was the confusion about the facilities already in place. Manufacturers should take note of the findings and improve their […]