Why is the Ph of ethanol 7? Ethanol’s hydroxyl group causes the molecule to be slightly basic. It is almost neutral like water. The pH of 100% ethanol is 7.33, compared to 7.00 for pure water. This reaction is not possible in an aqueous solution, as water is more acidic, so that hydroxide is preferred […]
What is the fastest unit of time?
What is the fastest unit of time? This apparent limit on time interval is about 10-43 second and is called Planck time. The Planck distance–how far light travels in one unit of Planck time–is about 10-35 meters, or about 1020 times smaller than the size of the nucleus of an atom. What is the shortest […]
What is the most powerful ocean current?
What is the most powerful ocean current? Antarctic Circumpolar Current What is the longest current in the world? Why is Lake Erie so dangerous? The reason: The water was contaminated with algae-like cyanobacteria, which can produce toxins that sicken people and kill pets. This is the noxious goo that cut off about 500,000 Toledo-area residents […]
Is apple juice heterogeneous or homogeneous?
Is apple juice heterogeneous or homogeneous? the apple juice which we get in supermarkets and stores is a homogeneous mixture , as, it does not show the ‘Tyndall Effect’, the particles of apple do not settle down when left undisturbed for a while, there is no visible separation of particles in it, so the particle […]
What is called Neutralisation reaction give its two examples?
What is called Neutralisation reaction give its two examples? A neutralization reaction is when an acid and a base react to form water and salt and involves the combination of hydrogen ions and hydroxyl ions to generate water. The neutralization of a strong acid and strong base has a pH equal to 7. Example – […]
What instrument is used to measure the average kinetic energy in a substance?
What instrument is used to measure the average kinetic energy in a substance? thermometer What is the relationship between temperature and kinetic energy of particles in a substance? As stated in the kinetic-molecular theory, the temperature of a substance is related to the average kinetic energy of the particles of that substance. When a substance […]
Is Apple an oligopoly?
Is Apple an oligopoly? Big Tech. Operating systems for smartphones and computers provide excellent examples of oligopolies in big tech. Apple iOS and Google Android dominate smartphone operating systems, while computer operating systems are overshadowed by Apple and Microsoft Windows. Are cars an oligopoly? The US automobile industry is a good example of an oligopoly. […]
What are the top 3 most expensive cars?
What are the top 3 most expensive cars? The Top 10 Most Expensive Cars In The World Koenigsegg CCXR Trevita ($4.8M) Lamborghini Veneno ($4.5M) W Motors Lykan Hypersport ($3.4M) Mansory Vivere Bugatti Veyron ($3.4M) Ferrari F60 America ($2.5M) Koenigsegg One:1 ($2.0M) Aston Martin One-77 ($1.4M) Pagani Huayra ($1.4M) What is the most expensive cars in […]
What are 2 key features of an experiment?
What are 2 key features of an experiment? In an experiment, an independent variable (the cause) is manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled. An advantage is that experiments should be objective. The views and opinions of the researcher should not affect the results of a study. How […]
What are 3 uses for lanthanum?
What are 3 uses for lanthanum? Lanthanum and other rare-earth compounds are used in carbon arc lighting, specifically in the film and television industry for studio lighting and projection. Lanthanum oxide (La2O3), also called lanthana, improves the alkali resistance of glass and is used in making camera lenses and in other special glasses. Is scandium […]