Category: Physics

Are ionic structures strong? Ionic compounds have regular structures, called giant ionic lattices . In a giant ionic lattice, there are strong electrostatic forces of attraction acting in all directions between the oppositely charged ions. The structure and bonding of ionic compounds explain their properties . Why do giant ionic structures dissolve in water? To […]

How do you find the flux of a curved surface? The flux associated with the base of the hemisphere is ϕ=-EπR2 (negative as it is the incoming flux). Hence, the same amount of flux wil be associated with curved surface, but the sigh of the flux will be positive as it is as outgoing flux. […]

Why is there no change in temperature during a phase change? The term change of phase means the same thing as the term change of state. i.e. during phase change, the energy supplied is used only to separate the molecules ; no part of it is used to increase the kinetic energy of the molecules. […]

What is the largest group of rock-forming minerals? Silicates What are the two main group of minerals? All minerals, however, can be classified into two main groups—silicate minerals and nonsilicate minerals—based on the chemical compositions of the minerals. What are the 7 mineral groups? Silicates, oxides, sulfates, sulfides, carbonates, native elements, and halides are all […]

Which one of the following is not a requirement for becoming a naturalized citizen? The following is not a requirement for becoming a naturalized citizen: A high school diploma. This answer has been confirmed as correct and helpful. How much does 2020 Citizenship cost? What are the Citizenship by Naturalization fees? As of 10/14/2020, $725 […]

What are 3 examples of differentiated animal cells? The sperm cell, ovum cell, ciliated epithelial cell, and nerve cells are examples of differentiated cells in animals. Why do you need differentiated cells? Differentiated cells are important in a multicellular organism because they are able to perform a specialised function in the body. However, specialisation comes […]

Did Diego Rivera have cancer? His fifth application for his re-admission to the Communist Party of Mexico is accepted. 1955: Rivera marries his art dealer, Emma Hurtado. Rivera is found to have cancer. The Mexican government instead had him buried in the National Rotunda of Illustrious Men. Who did Diego Rivera sleep with? Leon Trotsky […]

Does the heart control the brain? Armour, in 1991, discovered that the heart has its “little brain” or “intrinsic cardiac nervous system.” This “heart brain” is composed of approximately 40,000 neurons that are alike neurons in the brain, meaning that the heart has its own nervous system. What part of brain controls fear and anxiety? […]

What are the only two rivers in the world that flow north? Johns River and the Nile River are the only two rivers in the world that flow north.” In this editorial he explains that there are hundreds of rivers that flow north and; in fact, the St. Johns River flows south as well. What […]

Why do players use leather gloves when playing baseball? A baseball glove or mitt is a large leather glove worn by baseball players of the defending team, which assists players in catching and fielding balls hit by a batter or thrown by a teammate. Why do baseball players leave index finger out? Infielders who keep […]