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3 years ago

Is a hydrogel a smart polymer/stimuli-responsive polmer?

2 answers:

8 0

Polymer scientists have been trying to mimic this behavior by creating so called smart polymers. ... One of the most important classes of stimuli-responsive polymers used for controlled drug delivery is crosslinked polymer networks, e.g., hydrogels and microgels.
Hopefully this helps if not I’ll try rewriting it

Dima020 [189]3 years ago

7 0

Answer:

Explanation:

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The following two compounds are constitutional isomers. Identify which of these is expected to be more acidic, and explain your

Vladimir [108]

Answer:

c. Compound 2 is more acidic because its conjugate base is more resonance stabilized

Explanation:

You haven't told us what the compounds are, so let's assume that the formula of Compound 1 is HCOCH₂OH and that of Compound 2 is CH₃COOH.

The conjugate base of 2 is CH₃COO⁻. It has two important resonance contributors, and the negative charge is evenly distributed between the two oxygen atoms.

CH₃COOH + H₂O ⇌ CH₃COO⁻ + H₃O⁺

The stabilization of the conjugate base pulls the position of equilibrium to the right, so the compound is more acidic than 1.

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3 years ago

Calculate the number of moles of BaF2 in a 10.0 g sample of BaF2.

UkoKoshka [18]

Answer:

The number of moles = 0.06 moles

Explanation:

i) Formula

Number of moles = Mass of the sample ÷ Molar masses of the substances

ii) Number of moles = 10.0 ÷ (137)+(19×2)

= 10.0 ÷ 175

= 0.06 moles

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3 years ago

Read 2 more answers

NEEEEEEEEEEEEEEEEED HELP

lakkis [162]

<h3> <u>Answer</u></h3>

4. loses 2 electrons

<h3><u>EXPLANATION</u></h3>

Mg²+ has 10 electrons while Mg has 12 electrons.

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2 years ago

For the following problems, identify the substance as either an element, a compound, or a mixture. Write E for Element, C for co

andre [41]

Answer:

Explanation:

34. E

35. M

36. C

37. M

38. E

39. C

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3 years ago

A 74 kg zebra is traveling 15 m/s east. What is the zebra’s momentum

svetoff [14.1K]

Mass × velocity = momentum

74 x 15 = momentum

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3 years ago

Is a hydrogel a smart polymer/stimuli-responsive polmer?​

Is a hydrogel a smart polymer/stimuli-responsive polmer?