All categories

4 years ago

What are insulated foam cups most likely made out of? polyethylene polystyrene nylon thread vulcanized rubber

Chemistry

2 answers:

Solnce55 [7]4 years ago

6 0

Answer:b

Explanation:I d the

tankabanditka [31]4 years ago

3 0

Answer is: polystyrene.

Expanded polystyrene is used to manufacture foam cups.

Polystyrene production is several million tonnes per year.

Polystyrene is a synthetic aromatic hydrocarbon polymer made from the monomer styrene.

Styrene (ethenylbenzene) is an organic compound with the chemical formula C₆H₅CH=CH₂. It is a colorless oily liquid.

You might be interested in

Compared with halogens, the alkali metals in the same period has

Rufina [12.5K]

Alkali metals have the lowest electronegativities, while halogens have the highest.

3 0

3 years ago

Evaporation is commonly used to concentrate dissolved solids in a liquid feed stream and produce pure water vapor.

Sergio [31]

Answer:

True

Explanation:

Evaporation is the process by which a substance changes its state from liquid to gas. evaporation occurs at all temperatures but it's rate increases as temperature increases.

Pure water vapour can be produced by evaporation.

As the liquids are removed, the solids present in solution becomes more concentrated.

7 0

3 years ago

Draw the products of the complete hydrolysis of an acetal. Draw all products of the reaction.

jolli1 [7]

Answer: the product is ketone or aldehyde

Explanation:

The first step is the conversion of acetal to hemiacetal in the presence of H3O+/ ROH, and then the final conversion of hemiacetal to ketone/aldehyde using

H3O+/ ROH...

Attached is the structural conversion

8 0

3 years ago

How many moles of O2 are consumed if 20 moles of SO2 are produced

tatiyna

Answer:

I hope this helps

5 0

3 years ago

Someone Please HELP Me

scoray [572]

Use a calculator to add those thank you ur welcome

7 0

3 years ago