Category: Physics

What is the important of matter? Matter is important for us because it has mass and it occupies space therefore all things that we can touch and see is part of matter. We students should have our own background in matter because matter have many forms and we should study and know them well so […]

What are the four elements that can have double bonds? Double bonds are common for period 2 elements carbon, nitrogen, and oxygen, and less common with elements of higher periods. Metals, too, can engage in multiple bonding in a metal ligand multiple bond. How do you know if it’s a single double or triple bond? […]

Is pOH acidic or basic? pOH gives us another way to measure the acidity of a solution. It is just the opposite of pH. A high pOH means the solution is acidic while a low pOH means the solution is basic. Is H+ acidic or basic? Now there are more hydrogen ions than hydroxide ions […]

Can a refrigerator be used to maintain a cool temperature inside a room? You can fan yourself with the door to cool yourself down, but you can’t actually lower the temperature of the room. This is because refrigeration is not a perfectly efficient process. More heat enters the room through the exhaust vent than is […]

How many grams are there in 7.40 moles of AgNO3? Answer. Answer: The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles AgNO3, or 169.8731 grams. How many moles of cabr2 are in 5.0 grams of cabr2? Therefore, there are 0.025 moles of calcium bromide. How many […]

What are the six most common NDT methods? The six most frequently used NDT methods are eddy-current, magnetic-particle, liquid penetrant, radiographic, ultrasonic, and visual testing. Is NDT dangerous? Certain nondestructive testing methods used by the military, such as ultrasonic or eddy current testing, are almost entirely benign and do not pose a hazard to testing […]

What is a group of humans called? Community,gathering,crowd,mob,guerillas’ or terrorists! There are all sorts of words for groups of humans: nation, corporation, family, club, mob, gang, etc etc. What is a group of snakes called? A group of snakes is generally a pit, nest, or den, but they’re generally thought of as solitary creatures, so […]

What is valve angle? Valve angle defined as the angle between a valve axis and a cylinder axis is one of the most important design factors that may have an influence on valve train design, cylinder head size, in-cylinder flow, etc. What is Valve face angle? The face of the valve is usually ground to […]

What do we call rising hot liquids? The particles in these fluids can move from place to place. Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. The liquid or gas in hot areas is less dense than […]

How many lines is 150 words? 17 lines Why is I am the shortest sentence? The sentence I am. certainly has a subject (I) and a predicate (am), and it expresses a complete thought, as well. So when your school paper stated that I am. is the shortest sentence in English, its editors meant that […]