Category: Physics

What happens to pressure if volume decreases in gas? Explanation: Gas particles exert pressure by colliding with the walls of their container. If you reduce the volume, you are effectively increasing the density of the particles and they will collide with the walls more frequently, leading to an increase in pressure. Why does the volume […]

How many natural realms are there what are they? The Four Great Realms: The natural systems encountered in physical geography operate within the four great realms, or spheres, of the Earth. These are the atmosphere; the lithosphere, the hydrosphere, and the biosphere. What are the 3 realms of earth? 3 — EARTH SURFACE REALMS. We […]

What is the latent heat of fusion of ice of 2 grams? The value of latent heat of fusion = 160 cal. What does J kg K mean? Joule Per Kilogram Per Kelvin Is J GC and J gk the same? There is no difference. The specific heat is measured on a unit degree change […]

Which is the most common type of synthetic polymer? Low-Density Polyethylene What are the 5 uses of nylon? Uses of Nylon Clothing – Shirts, Foundation garments, lingerie, raincoats, underwear, swimwear and cycle wear. Industrial uses – Conveyer and seat belts, parachutes, airbags, nets and ropes, tarpaulins, thread, and tents. It is used to make a […]

What would you use to measure 1 mL of DI water? If it does not have to be exact, 1 drop from a eye drop or similar type device will be about 1ml. You can probably even use something like the tip of a pencil to form a droplet and that will be about 1ml. […]

Are 2s and 2p degenerate? The 2s and 2p orbitals have the same energy for hydrogen. They are said to be degenerate energy levels, all the same. When the electron is held in the 1s orbital, it is said to be in its ground state, its lowest energy state. When the electron is a higher […]

Why are evenings cooler than afternoons? Answer. Because in afternoon the sun is on the top and the rays of sunshine comes direct to the earth so we feel warmer and in morning and evening the sun is slightly to the earth so we feel colder then afternoon. Why does the coolest temperature of the […]

Can nuclear waste be destroyed? It can be done. Long-term nuclear waste can be “burned up” in the thorium reactor to become much more manageable. Where does nuclear waste go? More than a quarter million metric tons of highly radioactive waste sits in storage near nuclear power plants and weapons production facilities worldwide, with over […]

Where is most energy found in a food web? The vast majority of energy in food webs originates from the sun. Energy is not recycled in ecosystems and each ecosystem requires a continuous input of energy to sustain it. There is some energy transformed at each level of the food chain or food web in […]

Can you see North Star from equator? As you travel northward, Polaris climbs higher in the sky. If you go as far north as the North Pole, you’ll see Polaris directly overhead. If you get as far as the equator, Polaris sinks to the horizon. South of the equator, Polaris drops out of the sky. […]