Category: Physics

What happen when potassium oxide is mixed with hydrochloric acid? Answer: KOH+HCl→KCl+H2O is a neutrailization as H+ ions combines with OH− ions to form water. What happens when HCl reacts with potassium carbonate? Potassium carbonate having chemical formula K2CO3 when reacts with hydrochloric acid having chemical formula HCl will give products namely potassium chloride having […]

How fast is a Challenger RT 0-60? The 0-60 mph acceleration is 3.4 seconds. It can do a quarter mile in 10.8 seconds at a speed of 131 mph. The R/T Scat Pack Challenger has a much more modest 485 horsepower but is just as impressive. Its quarter mile was 11.7 seconds at 115 mph. […]

Is it illegal to have LED reverse lights? NSW and SA will only allow work lights on the rear of the vehicle while Tas only allows them to be fitted to the sides. There’s very few laws regarding reverse lights – most dealing with automatically coming on when reverse is engaged and the angles the […]

How often does a roof need dethatching? Generally the ridge of the thatch will require replacing every 10 – 15 years. The coatwork will vary depending on the material used and its associated lifespan. To keep the roof in best condition: Allow it to dry well, remove trees and plants which may hinder the sun […]

Is US on UK Red List? There will be different travel restrictions for each group; the U.K. and the U.S. are on the amber list, which crucially only allows non-essential travel for vaccinated travelers. All EU countries are rated green, meaning they can visit without any travel restrictions. Is America allowing UK tourists? The USA […]

How many chromosomes are in sex cells? In humans, cells other than human sex cells, are diploid and have 23 pairs of chromosomes. Human sex cells (egg and sperm cells) contain a single set of chromosomes and are known as haploid. Are sex chromosomes only found in sex cells? This XY sex-determination system is found […]

What is the setting of the Jack and the Beanstalk? There are several answers to the question “what is the setting of Jack and the Beanstalk?” One answer is that there is no real setting – the story takes place in your imagination, or wherever you happen to hear it. You could also say that […]

What colleges have won national championships in football and basketball? The top two that have won titles in both sports are Michigan and UCLA, with 12 apiece. Of Michigan’s titles, 11 come in football, while 11 of UCLA’s come in basketball. How many schools have won a national championship in football and basketball in the […]

How do I send an international fax to Australia? To send a fax to Australia use the following fax number format +61 – area code – local number. In the fax number format, the country code for Australia is 61, and the Australia area code is 1 digits. Local numbers are 8 digits in Australia. […]

What is thermite reaction give an example? The thermite reaction is an exothermic reaction between the metal and metal oxide. For example the reaction between the aluminium with the metal oxides, where aluminium acts as a reducing agent. The aluminium reduces the metal oxide most probably an iron (lll) oxide to produce ferrous and aluminium […]