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mr Goodwill [35]

3 years ago

11

_____________ are solvents made from natural sources such as pine and citrus oils.

2 answers:

MA_775_DIABLO [31]3 years ago

7 0

Answer:

Terpene

Explanation:

They generally have strong characteristic odours. Specific Terpenes used in cleaning are a-pinene, d-limonene, and turpentine, which is a mixture of terpenes.

They are organic solvents.

Tom [10]3 years ago

4 0

Answer:

Terpene

Explanation:

Terpene is a organic solvents that are usually derived from natural sources such as pine trees or citrus fruit. They generally have strong characteristic odors.

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Pls help why is it reduced

Ipatiy [6.2K]

Answer:

its orginal charge is none then through the reaction it is reduced because then final charge is -1 meaning is went down 1 so its charge was reduced

Hope this helps! :)

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2 years ago

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8 Fe + Sg → 8 Fes<br><br> How many grams of FeS is produced from 0.3 mol Sg?

frozen [14]

Answer:

Explanation:

Molar ratio for Sg : FeS = 1:8

If there are 0.3 moles for Sg

Therefore, 0.3 × 8 =2.4 moles of FeS

Mass = Moles/ Mr

Mr of FeS = 56+32=88

So mass = 2.4/88

Mass= 0.027g

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3 years ago

What organelles are involved in the production of proteins

DanielleElmas [232]

Answer:

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2 years ago

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There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. In

adell [148]

Answer:

The net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide is 523.2 kJ.

Explanation:

Step 1:

$CaC_2(s) + 2H_2O(g)\rightarrow C_2H_2(g) + Ca(OH)_2(s),\Delta H_1=414.0 kJ$ ...[1]

Step 2 :

$6C_2H_2(g) + 3CO_2(g) + 4H_2O(g)\rightarrow 5CH_2CHCO_2H(g) \Delta H_2=132.0kJ$ ..[2]

Adding 6 × [1] and [2]:

$6CaC_2(s) + 12H_2O(g)\rightarrow 6C_2H_2(g) + 6Ca(OH)_2(s)$

$6C_2H_2(g)+3CO_2(g)+16H_2O(g)\rightarrow 5CH_2CHCO_2H(g)$

we get :

$6CaC_2(s) + 8H_2O(g)+3CO_2(g)\rightarrow 5CH_2CHCO_2H(g)+ 6Ca(OH)_2(s),\Delta H'=?$

$\Delta H'=6\times \Delta H_1+\Delta H_2$

$\Delta H'=6\times 414.0 kJ+132.0kJ$

$\Delta H'=2,626 kJ$

Energy released on formation of 5 moles of acrylic acid = 2,626 kJ

Energy released on formation of 1 mole of acrylic acid:

$\frac{ 2,626 kJ}{5 } = 523.2 kJ$

7 0

3 years ago

Is this equation balanced or unbalanced?<br> C+02=CO2

LenKa [72]

This equation is balanced

4 0

3 years ago