Is strontium positive or negative? Positive and Negative Ions: Cations and Anions Family Element Strontium Strontium cation Barium Barium cation IB Silver IIB Zinc What is the correct formula for phosphorus pentachloride? Cl₅P What is phosphorus Pentabromide formula? PBr5 How do you use phosphorus pentachloride? Uses of Phosphorus Pentachloride – PCl Used as a catalyst […]
How many points are sustainable sites?
How many points are sustainable sites? SITES certification is based on a point system: the number of points that a project earns determines the certification level it receives….SITES Rating System. Certification Level Points SITES Certified 70-84 points earned SITES Silver 85-99 points earned SITES Gold 100-134 points earned What is meant by sustainable sites? The […]
What is the new technology in ESEM?
What is the new technology in ESEM? These problems can now be overcome, thanks to the new environmental scanning electron microscope (ESEM), which permits the imaging of wet systems with no prior specimen preparation. Which gas is used in SEM? However, the first images of wet specimens in an SEM were reported by Lane in […]
Where is the best place to see the aurora borealis?
Where is the best place to see the aurora borealis? What are the best places to see the Northern Lights? Tromso, Norway. Based in the heart of the aurora zone in the Norwegian Arctic, the city is widely regarded as one of the world’s best places to see the Northern Lights. Swedish Lapland. Reykjavik, Iceland. […]
What is the heaviest thing on Earth 2020?
What is the heaviest thing on Earth 2020? Heaviest Object on Earth Weighs 116B Pounds Great Wall of China; 116 billion pounds. Three Gorges Dam (China); 20.8 billion pounds. Great Pyramid of Khufu (Egypt); 12 billion pounds. Gullfaks C installation oil storage facility (North Sea); 3 billion pounds. SSCV Thialf crane vessel (various); 2.1 billion […]
What is the effect of HCl on the pH of water?
What is the effect of HCl on the pH of water? A molecule of hydrochloric acid, for example, is composed of a hydrogen atom and a chlorine atom. When these molecules dissolve into water, they separate into a positively charged hydrogen ion and a negatively charged chlorine ion. This leads to an increased concentration of […]
Why is it important to exercise your cardiovascular and cardiorespiratory systems?
Why is it important to exercise your cardiovascular and cardiorespiratory systems? Improving cardiovascular fitness can reduce your risk of developing heart disease by increasing the efficiency of your heart, lungs, and blood vessels. The easier it is to pump blood through your body, the less taxing it is on your heart. How can you improve […]
What happens to kinetic energy when velocity decreases?
What happens to kinetic energy when velocity decreases? Decreases in mass cause decreases in kinetic energy due to the aforementioned positive relationship between the two. In the case of a decrease in mass and velocity, kinetic energy must decrease because both of the determining factors decreased. Does kinetic energy increase velocity? It turns out that […]
What is another name for non-renewable resources?
What is another name for non-renewable resources? A non-renewable resource (also called a finite resource) is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption. An example is carbon-based fossil fuel. The original organic matter, with the aid of heat and pressure, becomes […]
What are the three types of cloud services?
What are the three types of cloud services? There are three main service models of cloud computing – Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS). What are some examples of cloud services? Examples of Cloud Computing Dropbox, Facebook, Gmail. Cloud can be used for storage of […]