Is a Van de Graaff generator dangerous? Preliminary cautions: The Van de Graaff can produce a spark that is simply irritating or quite dangerous. A spark several centimeters long can be the equivalent of 100 000 volts or more. What is the principle of the Van de Graaff generator? The Van De Graaff generator works […]
What percentage of our goods come from China?
What percentage of our goods come from China? 21.2% What food does the US import? United States agriculture imports total $127.6 billion with coffee and cocoa, fresh and processed vegetables, and grains and feeds accounting for the majority. Does US import meat from China? The US does import multiple types of food from China. Including […]
In what way are the chemical equations useful to us?
In what way are the chemical equations useful to us? ↵Chemical equation gives us the complete information about the reaction taking place. It tells the number of atoms of each element participating in the reaction. It tells the neccerssary requirements such as temprature, catalyst, etc. It also tells us the state of the elements in […]
How many atoms are in FEOH?
Who invented 360 degrees?
Who invented 360 degrees? Timocharis, Aristarchus, Aristillus, Archimedes, and Hipparchus were the first Greeks known to divide the circle in 360 degrees of 60 arc minutes. Eratosthenes used a simpler sexagesimal system dividing a circle into 60 parts. What is 360 rotation? “Doing a 360” means spinning around completely once (spinning around twice is a […]
What is another name for the vernal equinox?
What is another name for the vernal equinox? The vernal equinox (also called the spring equinox) is one of the two equinoxes—the times of the year when the amount of daylight and nighttime hours are just about of equal length. Will there be a early spring 2021? In 2021, the March equinox happens on Saturday, […]
What is the relation between CP CV and R?
How accurate is a spectrophotometer?
How accurate is a spectrophotometer? The minimum is not sharp and good results can be expected in a transmittance range from 0.2 to 0.6 or an absorbance range from 0.7 to 0.2. An inspection of the graph below indicates that transmittance values of 0.1 and 0.8 are the outside limits between which one can expect […]
Which compound would have a stronger ionic bond?
Which compound would have a stronger ionic bond? Alf3 Why do some ionic compounds have low melting points? The melting and boiling points of molecular compounds are generally quite low compared to those of ionic compounds. This is because the energy required to disrupt the intermolecular forces between molecules is far less than the energy […]
Which of the following is not true concerning the curl up test?
Which of the following is not true concerning the curl up test? The curl-up only tests the endurance of the abdominal muscles, not their strength. This statement is wrong regarding curl- up. What is the impact of age on flexibility quizlet? What is the impact of age on flexibility? Younger people tend to be more […]