1 year ago

CAN SOMEONE PLEASE HELP!

Chemistry

2 answers:

Paha777 [63]1 year ago

7 0

They break apart into ions as they dissolve into solutions

katrin [286]1 year ago

3 0

Answer:C

Explanation: they break apart into ions as they dissolve into solution this process is known as dissociation.

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The heat of vaporization of 1–pentanol is 55.5 kJ/mol, and its entropy of vaporization is 148 J/K•mol. What is the approximate b

tensa zangetsu [6.8K]

Answer:

375 K

Explanation:

Using the experssion shown below as:

$\Delta G^0=\Delta H^0_{vap}-T\Delta S^0_{vap}$

At vaporization point, the liquid and the gaseous phase is in the equilibrium.

Thus,

$\Delta G^0=0$

So,

$Delta H^0_{vap}=T\Delta S^0_{vap}$

Given that:

$Delta H^0_{vap}=55.5\ kJ/mol$

Also, 1 kJ = 10³ J

So,

$Delta H^0_{vap}=55500\ J/mol$

$\Delta S^0_{vap}=148\ J/K.mol$

So, temperature is :

$T=\frac{Delta H^0_{vap}}{\Delta S^0_{vap}}$

$T=\frac{55500}{148}$

3 0

3 years ago

Gases present in atmosphere are in ionic form true or false

ANTONII [103]

Answer:

false

Explanation:

Only ionic compounds can dissolate in water.

6 0

3 years ago

QUESTION 1. Which of the following is not an example of a polymer?

zlopas [31]

I believe it's C. Amino acid is a monomer not a polymer. Q2 is B. Q3 I believe is A. Q4 is D.

6 0

2 years ago

Read 2 more answers

NEED HELP NOW!!!!!!!

Afina-wow [57]

Answer:

fission

Explanation:

hope that helps

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2 years ago

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Which of the following is not observed in a homologous series?

Stolb23 [73]

Answer:

Change in chemical properties

Explanation:

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2 years ago