Education

Which pair of compounds will form a buffer in aqueous solution? HCN and NaCN HCl and NaOH NaCN and NaOH HCN and HCl HCl and NaCl NaCN and KCN General guidance Concepts and reason The concept used to solve this problem is that a buffer is formed by the combination of a weak acid and […]

Provide the correct IUPAC/systematic name for the following compound? Provide the correct IUPAC/systematic name of the following compound. 2 3

An open organ pipe (i.e.. a pipe open at both ends) of length L_0 has a fundamental frequency f_s If the organ pip is cut in half what is the new fundamental frequency? After being cut in half in partA the organ pipe is closed off at and what is the new fundamental frequency? As,

9. Which of the following solutions has the greatest buffering capacity? [A] 0.243 M HF and 0.192 M NaF [B] 0.485 M HF and 0.383 M NaF [C] 0.970 M HF and 0.766 M NaF [D] 0.160 M HF and 0.126 M NaF [E] They are all buffer solutions and would all have the same

I want to know the meaning of the title of Kansas’ song. The closest thing I found was a Star War planet called Belex, but I honestly don’t think it has something to do with it… Belex is Smart Viper Statistics Mashups. http://wn.com/Kansas__Belexes http://www.lyricsmode.com/lyrics/k/kansas/belexes…. Since “Belexes” came out long before STAR WARS, I think the

DNA The next is proteins RNA leaves the nucleus to be translated into protein by the ribosomes. DNA isn’t normally found except in the nucleus. DNA is your answer. Nucleic acids that make up DNA and RNA.

mr smith had four daughters, each daughter have four brothers how many Kids did mr smith have Since Mr. Smith had 4 daughters, so total kids until now = 4 Now each daughter had four brothers which means Mr. Smith had 4 sons too so that each of his daughters had 4 brothers. So, total

Which of the following is not a core job characteristic for good job design? Autonomy Fair pay Job identity Skill variety There are five job characterstics namely skill variety, task identity, task significance, aotonomy and feedback. Fair pay is not one of the core job characterstics for good job design. Option 2 is right.

The table gives data on the economy of Iberia. Calculate Iberia’s imports of goods and services. Iberia’s imports of goods and services equal $ billion. Since GDP = consumption+saving+net taxes = 63+14+16 billion = 93 billion Also, GDP = C+I+G+(E-I) 93 = 63+25+18+(26-I) 93 = 132-I I = 132-93 = 39 BILLION

What is the circumference of Tirth? You are an astronomer on planet Tirth, which orbits a distant star. It has recently been accepted that Tirth is spherical in shape, though no one knows its size. One day, you learn that on the equinox your sun is directly overhead in the city of Tyene, located 600