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3 years ago

Name the type of polymer formed when propane-1,3-diol and butanedioic acid react together.

Chemistry

1 answer:

Alex Ar [27]3 years ago

8 0

Answer:

Although PPT was initially prepared from terephthalic acid (TPA) and 1,3-propanediol (PDO) in the 1950s, it has been mainly synthesized by transesterification of PDO with dimethyl terephthalate (DMT) similar to poly(ethylene terephthalate) (PET) and poly(butylene terephthalate) (PBT).

Explanation:

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a liquid that boils at a low temperature and evaporates rapidly at room temperature is describe as being

Sunny_sXe [5.5K]

Answer: Volatile

Explanation:

like ethanol(alcohol) it evaporates when you put it in the hand, really fast.

Some people think that it dries when it really evaporated at room temperature from liquid to gas

5 0

3 years ago

Consider 100.0 g samples of two different compounds consisting only of vanadium and oxygen. one compound contains 61.4 g of vana

xxMikexx [17]

Answer:

2:1

Explanation:

The Law of Multiple Proportions states that when two elements A and B combine to form two or more compounds, the masses of B that combine with a given mass of A are in the ratios of small whole numbers.

That is, if one compound has a ratio r₁ and the other has a ratio r₂, the ratio of the ratios r is in small whole numbers.

1. Compound 1

Mass of O = 100.0 - 61.4 = 38.6 g

$r_{1} = \dfrac{\text{mass of O}}{\text{mass of V}} = \dfrac{ 38.6}{61.4} = 0.6287$

2. Compound 2

Mass of O = 100.0 - 76.1 = 23.9 g

$r_{2} = \dfrac{ 23.9}{76.1} = 0.3141$

3. Ratio of the ratios

$r = \dfrac{r_{1}}{r_{2}} = \dfrac{ 0.6287}{0.3141} = \dfrac{2.00}{1} \approx 2\\\\\text{The relative amounts of O per gram of V are in the ratio }\boxed{\mathbf{\dfrac{2}{1}}}$

For example. the compounds might be VO₂ and VO.

7 0

3 years ago

For H3PO4, Ka1 = 7.3 x 10^-3, Ka2 = 6.2 x 10^-6, and Ka3 = 4.8 x 10^-13. A 0.10 M aqueous solution of Na3PO4 therefore would be

zmey [24]

Answer:

The aqueous solution of $Na_{3} Po_{4}$ therefore would be "strongly basic."

Explanation:

Strongly basic because the $Na_{3} Po_{4}$ is completely an ionic compound. These compound can be 100% splitted into metal ions and hydroxide ion when used in the aqueous solution. Each moles dissolves which can give rise to mole of hydrogen ions when used in the solution. Whereas strong bases are not soluble in water as well. in the presence of water equilibrium can also be achieved. A strong base has the capability which can just remove the proton from the molecule.

3 0

3 years ago

Powerful_____________________________ in nature, such as wind, temperature, and ice, can exert enough pressure to cause the wall

stich3 [128]

Answer:

I believe forces would be the word you are looking for.

Explanation:

I hope this is what you needed, have a great day! (;

3 0

3 years ago

Define the kinetic theory of matter (use these words “explains, energy, particles, increase, decrease.”

pashok25 [27]

Answer:

The kinetic theory of matter explains that all matter is made of particles which are constantly moving/have energy. The energy varies depending on the temperature of the matter, therefore determining if the matter is solid, liquid, or gas. When the energy of a particle is increased or decreased, a phase change can occur.

5 0

3 years ago