Chemistry, 26.04.2021 21:40 joey333

What is glue made up of

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Glue is made up of - combination of polyvinyl acetate (PVA), water, ethanol, acetone and other substances. The animal remains that are the raw materials for glue may include ears, tails, scraps of hide or skin, scrapings from the fleshy sides of hides, tendons, bones and collagen taken from animal parts, particularly horse hooves and bones.

Explanation:

Oof hope this helps =)

Answer from: mbarber3994

Synthetic glues and adhesives are made from polyvinyl acetate, water, ethanol, acetone and some other substances. The water is used to modify the glue's consistency while the other substances are used to control the drying rate of the glue.

Answer from: Quest

i think it's letter a.

Answer from: Quest

answer : (a) volume of the gas = 8.67 × $10^{-3}$ l

(b) second virial coefficient b = -1.21226 l/mole

solution : given, t = 300k

p = 20atm

z = 0.86

n = 8.2 mmoles = 8.2 × $10^{-3}$ moles

r = 0.082 l atm/k/mol

find, (a) volume of gas and (b) second virial coefficient b at 300k.

formula used : $z=\frac{pv}{nrt}$

and $z=1+\frac{b}{v}$

(a) $z=\frac{pv}{nrt}$

$v=\frac{znrt}{p}$

= $\frac{0.86\times 8.2\times[tex]10^{-3}$ \times 0.082\times 300}{20}[/tex]

= 8.67 × $10^{-3}$ l

(b) $z=1+\frac{b}{v}$

$b=(z-1)v$

= (0.00867-1) × 8.659

= - 8.5839 l/mole

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