What type of electromagnetic waves are used in ovens and cell phone communications? Learning Objectives Table 1. Electromagnetic Waves Type of EM wave Production Applications Microwaves Accelerating charges & thermal agitation Communications, ovens, radar Infrared Thermal agitations & electronic transitions Thermal imaging, heating Visible light Thermal agitations & electronic transitions All pervasive Can mobile use […]
Can you appeal a de novo hearing?
Can you appeal a de novo hearing? The established case law allows for a De Novo (meaning ‘new’) hearing as if the original hearing had not occurred, and more importantly, allows an individual to include testimony from outside parties and witnesses. If the court denies a party’s ability to a full hearing it could lead […]
Can water remain liquid below freezing?
Can water remain liquid below freezing? Yes, water can stay liquid below zero degrees Celsius. When we apply pressure to a liquid, we force the molecules to get closer together. They can therefore form stable bonds and become a solid even if they have a higher temperature than the freezing point at standard pressure. How […]
What is MgO balanced?
What is MgO balanced? magnesium + oxygen → magnesium oxide. 2. Mg + O 2 → MgO. Does MgO have a neutral charge? valence electrons …the ionic compound MgO (magnesium oxide). (Although the compound magnesium oxide contains charged species, it has no net charge, because it contains equal numbers of Mg2+ and O2− ions.) What […]
What do Earth and Jupiter have in common?
What do Earth and Jupiter have in common? Jupiter and Earth don’t appear to have anything in common. They are two different kinds of planets. Jupiter’s primary atmosphere consists of hydrogen and helium, while Earth’s atmosphere is composed of a mix of oxygen and nitrogen and other chemicals. They are not similar in size or […]
How do you calculate the IMA of a ramp?
How do you calculate the IMA of a ramp? To calculate the ideal mechanical advantage for an inclined plane, divide the length of the incline by the height of the incline. Example: An inclined plane that is 6 meters long and 3 meters high creates an ideal mechanical advantage of 2. The inclined plane increases […]
Can algae survive without coral?
Can algae survive without coral? Corals are completely dependent on the symbiotic algae. They would not be able to survive without them since they can’t produce sufficient amounts of food. The zooxanthellae can provide all the nutrients necessary, in most cases all the carbon needed for the coral to build the calcium carbonate skeleton. How […]
What is a control in biology?
What is a control in biology? In scientific experiments, a scientific control is one in which the subject or a group would not be tested for the dependent variable(s). The inclusion of a control in an experiment is crucial for generating conclusions from the empirical data. The use of controls allows to study one variable […]
Which is more difficult to remove an electron from Mg or Na?
Which is more difficult to remove an electron from Mg or Na? It doesn’t take much energy to remove one electron from a sodium atom to form an Na+ ion with a filled-shell electron configuration. The second ionization energy of Mg is larger than the first because it always takes more energy to remove an […]
What are the 8 powers denied to Congress?
What are the 8 powers denied to Congress? No State shall enter into any Treaty, Alliance, or Confederation; grant Letters of Marque and Reprisal; coin Money; emit Bills of Credit; make any Thing but gold and silver Coin a Tender in Payment of Debts; pass any Bill of Attainder, ex post facto Law, or Law […]