What is the equation for the alpha decay of radium 222? Radon-222 has an atomic number (Z) of 86 so an atom of radon-222 contains 86 protons in its nucleus. We now have a description of the particle lost as a nucleus that contains 4 nucleons, two of the nucleons are protons….Alpha Decay. 4 He […]
Why is sociology so important in this changing society?
Why is sociology so important in this changing society? The study of sociology helps the individual to understand human society and how social system work. A comparative study of human societies enables us to understand that people in different societies have many different solutions to the universal human problems of making a living. What are […]
What are two factors that affect specific heat?
What are two factors that affect specific heat? This quantity is known as the specific heat capacity (or simply, the specific heat), which is the heat capacity per unit mass of a material . Experiments show that the transferred heat depends on three factors: (1) The change in temperature, (2) the mass of the system, […]
How do you determine cause and effect relationships?
How do you determine cause and effect relationships? To find cause and effect relationships, we look for one event that caused another event. The cause is why the event happens. The effect is what happened. Sam has no cavities is the effect or what happened. What are the three criteria for establishing cause and effect […]
What are the 3 types of mid ocean ridges?
What are the 3 types of mid ocean ridges? The ocean crust at slow spreading ridges breaks into ridges and valleys as the seafloor gets pulled apart. Axial Ridge. Magnetics & Polarity. Fast/Slow Spreading. What comes out of mid ocean ridges? Mid-ocean ridges occur along divergent plate boundaries, where new ocean floor is created as […]
How does energy move in an ecosystem?
How does energy move in an ecosystem? Energy flows through an ecosystem in only one direction. Energy is passed from organisms at one trophic level or energy level to organisms in the next trophic level. Organisms need it for growth, locomotion, heating themselves, and reproduction. How does an ecosystem work? An ecosystem is a geographic […]
What movie is the song Faith by George Michael in?
What movie is the song Faith by George Michael in? Jappeloup (Original Motion Picture Soundtrack) Did George Michael play guitar on faith? More videos on YouTube He then plays a guitar next to a Wurlitzer jukebox. The music video also sees the jukebox playing his other song ‘I Want Your Sex’, and is then interrupted […]
Which indicates that thermal energy is no longer?
Which indicates that thermal energy is no longer? Explanation: The thermal energy is no longer being transferred from boiling water to a mug in the case when water and the mug are at the same temperature. Matter is made up of atoms and molecules which keep moving all the time. How is heat transferred in […]
Is rock a homogeneous mixture?
Is rock a homogeneous mixture? A homogeneous mixture has the same composition throughout. Another example of a homogeneous mixture is salt water. The rock in Figure above is an example of a heterogeneous mixture. A heterogeneous mixture varies in its composition. Are cookies a mixture? For example….a chocolate chip cookie is a heterogeneous mixture. If […]
Does gas have more matter than liquid?
Does gas have more matter than liquid? Explanation: A billion particles will have a greater volume than one particle. If you have the same number of particles, then the gas will have the greater volume. The particles of matter in the liquid state are still close together but they are far enough apart to move […]