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Where does polyamide come from?
Polyamide resin is made by cooking ethylene amines with dimer acid and Tall Oil Fatty acid or oleic acid. Water is removed by distillation. Various other additives may be used. HOOC-X-COOH + H2N-CH2CH2NH-CH2CH2NHCH2CH2NH ----------> [---OC-X-CO-HN-CH2CH2NH-CH2CH2NHCH2CH2NH-CO-X-CO-----]N + nH2O is the simplified schematic formula for synthesis.
What are possible dimensions for a rectangular prism with a volume of 60 cubic feet?
1 x 1 x 60 1 x 2 x 30 1 x 3 x 20 1 x 4 x 15 1 x 5 x 12 1 x 6 x 10 2 x 1 x 30 2 x 2 x 15 2 x 3 x 10 2 x 4 x 7.5 2 x 5 x 6 3 x 1 x 20 3 x 2 x 10 3 x 4 x 5 . . etc.
What is 436577467 x 324571275137451984751873645891567 x 8743218746182346891 x 3247187?
436577467 x 324571275137451984751873645891567 x 8743218746182346891 x 3247187 = 4.02300009 × 1066
What is the formula of 2sinxcosx?
In trigonometry, sin(x)cos(y)=(sin(x+y)+sin(x-y))/2.
What are Saturns moons largest to smallest?
Ordered by SizeNameSize(diameter or dimensions)Titan5,150 kmRhea1,528 kmIapetus1,436 kmDione1,120 kmTethys1,072 x 1,056 x 1,052 kmEnceladus512 x 494 x 490 kmMimas418 x 392 x 382 kmHyperion370 x 280 x 226 kmPhoebe230 x 220 x 210 kmJanus194 x 190 x 154 kmEpimetheus138 x 110 x 110 kmPrometheus148 x 100 x 68 kmPandora110 x 88 x 62 kmAtlas 37 x 34.4 x 27 kmHelene36 x 32 x 30 kmSiarnaq32 kmAlbiorix26 kmTelesto30 x 25 x 15 kmPan 20 kmCalypso 30 x 16 x 16 kmPaaliaq19 kmYmir16 kmKiviuq14 kmTarvos13 kmIjiraq10 kmErriapo8.6 kmS/2003 S16.6 kmSkathi6.4 kmMundilfari5.6 kmSuttungr5.6 kmThrymr5.6 km
Would a 40H x 40D x 91L couch fit in a 78H x 32D doorway?
No. Consider the 40 x 40 cross section. No matter how you rotate it, it will have a minimum width of 40 units which will not get through a doorway that is 30 units wide.
What size large or X-Large is equal to a 38DD?
A 38DD is larger than a 38D. They say a 38DD is equal to a 40E but from my work experience, a 38DD is closer in size to a 40D cup-wise.
Why do you put the x-ray film on top of nylon membrane in the tray?
So that your DNA does what it needs to do for your body.
What are the materials improved through technology?
glass plastics steel rayon nylon computer cellphone x-ray television
How the Nylon fabric weight is measured I heard the fabric quality as 300T. What is T denotes is it Tex. How to measurecalculate this?
300T means 300 Thread count (total of Ends/inch & Picks/inch) eg a greige construction like 70/24 x 70/24, 108 x 94 x 63" would be called a 202T (108+94) nylon fabric Hope this helps SK
A 20ft by 40 ft swimming pool is surrounded by a deck d feet wide. what is the area of the deck?
Area of deck = (20+2d)x(40+2d)-(20x40) Area of deck = (20x40)+40d+80d+4d2 -(20x40) Area of deck = 120d+4d2
What do you do after you help the man in the balloon on cryptids island?
Take the nylon rope and show it to the woman at Kitty's Kites. She will let you borrow the Kitesurfer X-250, and you can come back to the lighthouse and do some kite surfing.
Is PA6 same as Nylon 6?
Yes - see the text at this link for confirmation http://books.google.com/books?id=7Qq_vknrP4kC&pg=PA275&lpg=PA275&dq=is+PA6+the+same+as+nylon&source=bl&ots=0m6Li0BcPn&sig=7XkO7HbBZjE-hwOKe_ySnBXtTKY&hl=en&ei=WETaSeObL4_Itge-yLDhDw&sa=X&oi=book_result&ct=result&resnum=4
Use addition or substitution to find the value of y for this set of equations 4x plus 13y equals 40 4x plus 3y equals -40?
a) 4x+13y=40 b) 4x+3y=-40c) multiply b per(-1)=-4x-3y-40d) sum a and c: 4x+13y-4x-3y=40-(-40)=>10y=80 => y=8to find x replace y per its value in a or b and get x=-16
What would you wear on a warm day?
shorts and a nice light top to keep you cool x
What are 6 examples of man made fibers?
Nylon, neoprene and Gore-tex.Only nylon is a fiber of those in the list above, Neoprene is a synthetic rubber that is usually made into a foam sheet and used for waterproof clothing/protective gear. Gore-Tex is a laminate of a perforated Teflon film and a textile; the perforations in the Teflon layer are so small that water as a liquid cannot penetrate but water vapor (gas) can.Some other synthetic fibers are:ModacrylicOleofinAcrylicPolyesterCarbon
Where does polyamide come from?
Polyamide resin is made by cooking ethylene amines with dimer acid and Tall Oil Fatty acid or oleic acid. Water is removed by distillation. Various other additives may be used. HOOC-X-COOH + H2N-CH2CH2NH-CH2CH2NHCH2CH2NH ----------> [---OC-X-CO-HN-CH2CH2NH-CH2CH2NHCH2CH2NH-CO-X-CO-----]N + nH2O is the simplified schematic formula for synthesis.
