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lesya692 [45]
3 years ago
6

Explain a plastic gayer

Chemistry
1 answer:
yan [13]3 years ago
3 0

Answer:   seach it up

Explanation:

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For the gaseous reaction of carbon monoxide and chlorine to form phosgene (COCl₂):(b) Assuming that ΔS° and ΔH° change little wi
maksim [4K]

ΔG° at 450. K is -198.86kJ/mol

The following is the relationship between  ΔG°,  ΔH, and  ΔS°:

ΔH-T ΔS = ΔG

where  ΔG represents the common Gibbs free energy.

the enthalpy change,  ΔH

The temperature in kelvin is T.

Entropy change is  ΔS.

ΔG° = -206 kJ/mol

ΔH° equals -220 kJ/mol

T = 298 K

Using the formula, we obtain:

-220kJ/mol -T ΔS° = -206kJ/mol

220 kJ/mol +206 kJ/mol =T ΔS°.

-T ΔS = 14 kJ/mol

for ΔS-14/298

ΔS=0.047 kJ/mol.K

450K for the temperature Completing a formula with values

ΔG° = (450K)(-0.047kJ/mol)-220kJ/mol

ΔG° = -220 kJ/mol + 21.14 kJ/mol.

ΔG°=198.86 kJ/mol

Learn more about ΔG° here:

brainly.com/question/17214066

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7 0
2 years ago
Which term names enzymes in the body that speed up chemical reactions? A. catalysts B. cells C. concentrations D. chloroplasts
vazorg [7]
Carbonic anhydrase speeds up<span> the transfer of carbon dioxide from cells to the blood.


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8 0
3 years ago
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A solution containing HCl and the weak acid HClO2 has a pH of 2.4. Enough KOH (aq) is added to the solution to increase the pH t
astraxan [27]

Answer:

\boxed{\rm \text{[ClO$_{2}^{-}$] increases}}

Explanation:

At the beginning, you have two reactions happening:

\rm HCl + H$_{2}$O$ $\, \longrightarrow \,$ H$_{3}$O$^{+}$ + Cl$^{-}$\\\rm HClO$_{2}$ + H$_{2}$O$ $\, \rightleftharpoons \,$ H$_{3}$O$^{+}$ + ClO$_{2}^{-}$

As you add KOH(aq), it does two things:

  1. It increases the volume of the solution.
  2. It reacts with the hydronium ions to form water.

A) The HCl is completely ionized. The Cl⁻ does not react, but it is diluted when the volume of the solution increases. [Cl⁻] decreases.

B) The KOH reacts with the H⁺ and removes it from the solution. [H⁺] decreases.

C) When all the H⁺ from the HCl has been neutralized, the KOH starts neutralizing the H⁺ from the HClO₂. According to Le Châtelier's Principle, more HClO₂ will dissociate to replace the decreased H⁺. [HClO₂] decreases.

D) As HClO₂ reacts, it forms ClO₂⁻. \boxed{\rm \textbf{[ClO$_{2}^{-}$] increases}}

7 0
3 years ago
Please help guys the question is
Andrews [41]

Answer:

(a )people separate mixtures in order to ger a specific substance that they need.

6 0
3 years ago
Help me ASAP please??
kirill [66]

Answer:

B 2Li + Cl2 ---> 2LiCl

Explanation:

There are 2 Li atoms and 2 Cl atoms on both sides of the equation.

3 0
3 years ago
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