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2 years ago

The region in which an electron is likely to be found is known as a(n) ____________.

Chemistry

1 answer:

Zinaida [17]2 years ago

3 0

Answer:

orbital

Explanation:

electrons are found in an orbital

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Calculate the freezing point of a solution made from 220g of octane (C Hua), molar mass = 114,0 gmol dissolved in 1480 g of benz

stiv31 [10]

Answer: Freezing point of a solution will be $-1.16^0C$

Explanation:

Depression in freezing point is given by:

$\Delta T_f=i\times K_f\times m$

$\Delta T_f=T_f^0-T_f=(5.50-T_f)^0C$ = Depression in freezing point

i= vant hoff factor = 1 (for non electrolyte)

$K_f$ = freezing point constant = $5.12^0C/m$

m= molality

$\Delta T_f=i\times K_f\times \frac{\text{mass of solute}}{\text{molar mass of solute}\times \text{weight of solvent in kg}}$

Weight of solvent (benzene)= 1480 g =1.48 kg

Molar mass of solute (octane) = 114.0 g/mol

Mass of solute (octane) = 220 g

$(5.50-T_f)^0C=1\times 5.12\times \frac{220g}{114.0 g/mol\times 1.48kg}$

$(5.50-T_f)^0C=6.68$

$T_f=-1.16^0C$

Thus the freezing point of a solution will be $-1.16^0C$

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3 years ago

What is the ph of a solution that is 0.50 m in propanoic acid and 0.40 m in sodium propanoate. (ka for propanoic acid = 1.3 x 10

max2010maxim [7]

<span>The pH is given by the Henderson - Hasselbalch equation:
              pH = pKa + log([A-]/[HA])
              pH = -log(</span><span>1.3 x 10^-5) + log(0.50/0.40)
              pH = 4.98
The answer to this question is 4.98.
</span>

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3 years ago

What exactly is a proton? Is it a member of the periodic table?

Pavel [41]

The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).

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3 years ago

Condensed structural formula of benzoic acid

Deffense [45]

Hmmm I’m not sure just to to quizlet for now but that seems kinda like science and elements

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2 years ago

you are investigating an organic compound. you discover the following: it contains no hydrogen atoms. what property do you expec

pashok25 [27]

This can be, for example, halogensubstituted hydrocarbons.
CCl₄, C₂F₆.

Or halides halocarboxylic acids, and other compounds.
O
II
Cl₃C-Cl

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3 years ago

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