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nexus9112 [7]
3 years ago
7

Figuring out how to make a better type of plastic is which type of research

Chemistry
2 answers:
quester [9]3 years ago
5 0

Answer:applied chemistry

Lerok [7]3 years ago
5 0

Answer:

Plastics are important in our society providing a range of benefits.

•

Waste plastics, nowadays, burden the marine and terrestrial environment.

•

Additives and PoTSs create complications in all stages of plastics lifecycle.

•

Inappropriate use, disposal and recycling may lead to undesirable release of PoTSs.

•

Sound recycling of plastics is the best waste management and sustainable option.

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___ AgI(s) + ___ Fe2(CO3)3(aq)→ ___ FeI3(aq) + ___ Ag2CO­3(s)
Burka [1]

Answer:

?

Explanation:

8 0
3 years ago
Sodium hypochlorite (Na xCl yO z) is the active ingredient in household bleach. A 250.0 g sample of sodium hypochlorite contains
zimovet [89]

Answer:

Empyrical formula → NaClO

Explanation:

To determine the empirical formula of sodium hypochlorite we need the centesimal composition:

Grams of an element in 100 g of compound.

77.1 g of Na in 250 g of compound

119.1 g of Cl in 250 g of compound

(250g - 119.1g - 77.1g) = 53.8 g of O in 250 g of compound

We make this rules of three:

In 250 g of compound we have 77.1 g of Na, 119.1 g of Cl and 53.8 g of O

In 100 g of compound we must have:

(77.1 . 100) / 250 = 30.84 g of Na

(119.1 . 100) / 250 = 47.64 g of Cl

(53.8 . 100) / 250 = 21.52 g of O

We divide the mass by the molar mass of each element:

30.84 g / 23 g/mol = 1.34 mol of Na

47.64 g / 35.45 g/mol = 1.34 moles of Cl

21.52 g / 16 g/mol = 1.34 mol of O

We divide by the lowest value of obtained mol, but in this case, it's the same number for the three of them.

In conclussion, the empyrical formula for the sodium hypochlorite is: NaClO

3 0
3 years ago
Read 2 more answers
A paragraph about Saturn.
Margaret [11]
Um so just a paragraph about Saturn?
3 0
3 years ago
Read 2 more answers
Among pattasium and calcium which is more reactive ,why​
Wittaler [7]

Answer:

Calcium is more reactive

3 0
3 years ago
Decide whether a chemical reaction happens in either of the following situations. If a reaction does happen, write the chemical
iragen [17]

Answer: The chemical equations are given below.

Explanation:

A balanced chemical reaction follows law of conservation of mass.

This law states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form. This also means that total number of individual atoms on reactant side must be equal to the total number of individual atoms on the product side.  

Single displacement reaction is defined as the reaction in which more reactive metal displaces a less reactive metal from its chemical reaction.

General equation representing single displacement reaction follows:

AB+C\rightarrow CB+A

C is more reactive element than element A.

The reactivity of metals is judged by the series known as reactivity series. Elements lying above in the series are more reactive than the elements lying below in the series.

  • 1. When solid lead metal is put in the beaker of 0.043 M Fe(NO_3)_2 solution.

Lead lies below in the reactivity series than iron. Thus, it will not replace iron from its chemical reaction.

Pb(s)+Fe(NO_3)_2(aq.)\rightarrow \text{No reaction}

  • 2. When solid iron metal is put in the beaker of 0.044 M Pb(NO_3)_2 solution.

Iron lies above in the reactivity series than lead. Thus, it will easily replace lead from its chemical reaction.

Fe(s)+Pb(NO_3)_2(aq.)\rightarrow Fe(NO_3)_2(aq.)+Pb(s)

Hence, the chemical equations are given above.

6 0
3 years ago
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