Category: Physics

What are physical and chemical properties? physical property: Any characteristic that can be determined without changing the substance’s chemical identity. chemical property: Any characteristic that can be determined only by changing a substance’s molecular structure. What are 5 physical properties of hydrogen? At standard temperature and pressure, hydrogen is a nontoxic, nonmetallic, odorless, tasteless, colorless, […]

What is on the 102 floor of Empire State Building? 102 floors above New York City, the Top Deck observatory takes your Empire State experience higher, with breathtaking views in every direction. See the entire length of Manhattan and all of New York City’s iconic landmarks, from the Statue of Liberty to Central Park and […]

What are the steps in a Catholic Mass? Contents 4.1 Introit, procession, and introductory rites. 4.2 Liturgy of the Word. 4.3 Liturgy of the Eucharist. 4.4 Communion rite. 4.5 Concluding rite. What is the first part of the Mass called? The mass consists of two principal rites: the liturgy of the Word and the liturgy […]

What is the centripetal force equal to? The magnitude F of the centripetal force is equal to the mass m of the body times its velocity squared v 2 divided by the radius r of its path: F=mv2/r. According to Newton’s third law of motion, for every action there is an equal and opposite reaction. […]

How do I replace #value with 0 in Excel? You can use the Go To Special feature to select all cells that contain Error value. Then you can type zero in formula bar, and press Ctrl + Enter keys to apply the same formula to replace errors with zero value. Why won’t Excel let me […]

Is Br or as more reactive? Yes, chlorine is more reactive than bromine because the chlorine atom has fewer shells and the electronic bonding is much stronger. The electrons are held closer to the nucleus. It is easier for chlorine to attract and hold electrons in its outer shell forming stronger bonds with other atoms. […]

What are the two types of peppered moths? Biston betularia betularia morpha typica, the white-bodied peppered moth. Biston betularia betularia morpha carbonaria, the black-bodied peppered moth. What did Kettlewell find when he recaptured the moths? Kettlewell analyzed the percent recaptured and concluded that twice as many dark moths were recaptured in a polluted forest so […]

What are the 10 categories of Aristotle? Instead, he thinks that there are ten: (1) substance; (2) quantity; (3) quality; (4) relatives; (5) somewhere; (6) sometime; (7) being in a position; (8) having; (9) acting; and (10) being acted upon (1b25–2a4). What is Aristotle’s theory of forms? Aristotle’s theory of forms centers on forms being […]

What is the main theory of evolution? In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. The theory of evolution is based on the idea that all species? are related and gradually change over time. What are the two ways to […]

Which is the strongest acid HClO4? perchloric acid Is HClO2 stronger than HClO4? HClO2 is a stronger acid than HClO. The general rule is that the acid is stronger if it has more O atoms in a series such as this. HClO4, perchloric acid, is a very strong acid as is HClO3. HClO2 is a […]