A mixture of heptane (bp 98oC) and 1-propanol (bp 97oC) is not fully resolved using SE-30 as the stationary phase, but is easily separated using a column of DEGS. Explain with your own words.

Evaluate the poem Nature's first green is gold,Her hardest hue to hold.Her early leaf's a flower;But only so an hour.Then leaf subsides to leaf.So Eden sank to grief,So dawn goes down to day.Nothing gold can stay. Which of the following describes a phenomenon that occurs when we observe plants that wilt?A. The roots begin to rot, causing them to no longer uptake water. B. The xylem releases all its water. C. The stomata close, cutting off transpiration and gas exchange. D. The plant begins absorbing oxygen and releasing carbon dioxide into the atmosphere. PLEASE HELP ILL GIVE BRAINLIESTjames bought a movie ticket for $4.05. he paid the movie ticket with quarters and dimes. if james used 18 coins in all, how many quarters (q) and dimes (d) did he use? How do you find the arc length of the partial circle? student chapter packet weasel. How many moles in 16 grams of oxygen? Making late payments on credit card bills has what kind of effect on a person's credit score? aLate payments have a negative effect on a person's credit score. bLate payments have a positive effect on a person's credit score. cLate payments do not affect a person's credit score. An author wants to show that is preposterous times are coming to an end for a character what setting would show the audience this change?Please help will give Brainliest! Help picture below problem 9 4) Good Work Company charges by the word to run classified ads. This company charges $12 forthe first 15 words and $0.55 for each additional word.a. How much would a 25-word classified ad cost?b. How much would a 50-word classified ad cost? Identify the statements that describe the temperance movement. Read the scenario than determine whether the person should use library or internet research, and why. "Violet has to write a one page paper about martin Luther king Jr. She needs just a couple of sources and has to submit the assignment within two days."A. Violet should use the internet to make sure she has access to the most trustworthy sources available.B. Violet should use the internet because she needs to complete the assignment quickly.C. Violet should use the library because she needs sources from all over the world.D. Violet should use the internet so she can get help from experts to find the sources she needs. The elongation of a planet is the angle formed by the planet, earth, and sun. it is known that the distance from the sun to venus is 0.723au (see exercise 65 in section 6.2 ). at a certain time the elongation of venus is found to be 39.4. find the possible distances from the earth to venus at that time in astronomical units (au). Why is there is a difference between the roles of a manager, a monitor and an entrepreneur? Support your answer with an example. 1.2 Explain in your own words the following two factors that managers should consider when using teamwork competency in the workplace: 1.2.1 Creating a supportive environment 1.2.2 Managing team dynamics [tex]\sqrt{50} +\sqrt{18}[/tex] This year, a small business had a total revenue of 89,700 . If this is 38% more than their total revenue the previous year, what was their total revenue the previous year? Sami opened an account with a deposit of $4,000. The bank pays 3.5% annual simple interest on this account Sami did not make any additional deposits or withdrawals. How long will it take for Sami to earn $2,100 in interest on this account? Should I go to a College or Trade School for a welding degree ? What can you take from 60 to make 20? What advice might you give a teenager who is going to have an operation?