Category: Physics

What is the chemical name for n2o3? Dinitrogen trioxide Is N2O3 acidic or basic? Dinitrogen trioxide (N2O3), nitrogen dioxide (NO2) and dinitrogen pentoxide (N2O5) are acidic. Acidic character increases with increase in oxidation number so the order is as follows: N. What is the name for CO? Carbon monoxide What is the chemical name for […]

Which elements can have more than 8 valence electrons? Unlike atoms from periods one and two that only have the s and p orbitals (total of 8 valence electrons), atoms like phosphorus, sulfur, and chlorine can have more than 8 electrons because they are not restricted to the s and p orbitals and have a […]

Why is heat treatment important? Heat treatment is commonly used to alter or strengthen materials’ structure through a heating and cooling process. It offers many advantages, including: It can change a material’s physical (mechanical) properties and it aids in other manufacturing steps. It relieves stresses, making the part easier to machine or weld. What are […]

What is the value of 1 ATP? The energy derived from exergonic ATP hydrolysis is used to pump sodium and potassium ions across the cell membrane. The hydrolysis of one ATP molecule releases 7.3 kcal/mol of energy (∆G = −7.3 kcal/mol of energy). How do you convert ATP to calories? 1 ATP = 7.3 kcal/mol […]

What is rounding to 1 SF? The method of rounding to a significant figure is often used as it can be applied to any kind of number, regardless of how big or small it is. When a newspaper reports a lottery winner has won £3 million, this has been rounded to one significant figure. It […]

What is the tab on the mirror for? By flipping the tab, you change the angle of the mirror so that the headlights bounce off the silvered surface and away from your eyes, while a small amount bounces off the front surface of the glass so you can see a dim image of the headlights. […]

What is glacier give the example of two types of glacier? The biggest types of glacier are called continental ice sheets and ice caps. They often totally cover mountains. Glaciers that flow down a valley are called valley glaciers. Outlet glaciers are valley glaciers that flow out from an ice cap or an ice sheet. […]

What is a disadvantage of a CT scan? In general, a CT scan has the advantage of short study time (15 to 20 minutes) with high quality images. However, disadvantages include the need for ra- diation exposure and the use of a contrast material (dye) in most cases, which may make it inappropriate for patients […]

What is a reliable source of information? A reliable source is one that provides a thorough, well-reasoned theory, argument, discussion, etc. based on strong evidence. Scholarly, peer-reviewed articles or books -written by researchers for students and researchers. Original research, extensive bibliography. Anatomy of a Scholarly Article. What is the source of information? An Information Source […]

Is fan an example of rotational motion? In this kind of motion, the body rotates about an axis that also rotates about some other axis. Another example of rotation about axis in rotation is a table-fan swinging while rotating. Table-fan rotates about its horizontal shaft along which axis of rotation passes. What is the concept […]