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3 years ago

PLEASE SOMEONE HELP ME WITH THIIS QUESTION

Chemistry

1 answer:

sdas [7]3 years ago

3 0

Answer:

The correct answer is - 5 carbon compounds due to low to high intermolecular forces between their molecules.

Explanation:

Bottle C has gas in it and we know that alkane has carbon and hydrogen only which means they have a single sigma bond between them and very low intermolecular forces in between molecules and are present mostly at gaseous state. Thus, bottle C has alkane.

Alcohols have -OH group that can form rarely two pi bonds which means they have intermediate intermolecular force whereas acids have -cooH group with a high molecular force so bottle B with liquid is alcohol and A has acid.

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If the energy difference between two electronic states is 214.68 kJ / mol , calculate the frequency of light emitted when an ele

atroni [7]

${\qquad\qquad\huge\underline{{\sf Answer}}}$

Here we go ~

Energy difference btween the two electronic states can be expressed as :

${ \qquad \sf \dashrightarrow \: \Delta E = h\nu}$

[ h = planks constant, ${\: \nu }$ = frequency ]

$\qquad \sf \dashrightarrow \:214.68 = 39.79 \times 10 {}^{ - 14} \times \nu$

$\qquad \sf \dashrightarrow \: \nu = \cfrac{214.68}{39.79 \times 10 {}^{ - 4} }$

$\qquad \sf \dashrightarrow \: \nu = \cfrac{214.68}{39.79 } \times 10 {}^{14}$

$\qquad \sf \dashrightarrow \: \nu \approx 5.395 \times10 {}^{14} \:\:hertz$

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2 years ago

Which substance is a binary acid

elena-s [515]

<span>It is known that acids compounds contains hydrogen and produces hydrogen ion in water. A binary acid however is an acid that have two elements, one of the element has a hydrogen attached to it. Examples of binary acids are hydrogen fluoride (HF), hydrogen bromide (HBr) and hydrogen sulfide (H2S). In naming a binary acid, it has two rules; one, as pure compounds and two, as acid solutions. For pure compounds, start with the name ‘hydrogen’ and end the anion name with ‘-ide’. For acidic compounds, start with ‘hydro-‘, end the anion with ‘-ic’ and add ‘acid’.</span>

8 0

4 years ago

How does changing the mass of an object affect the density and the object if the volume is kept constant

vivado [14]

Explanation:

mass of an object affect the density and object if the the volume is keep constant.

here we can explain by using the example.

if the mass of an object is 30kg. and volume is 2m3

then density pf given substance is become 15kg/m3

again,

if the mass of the is 40kg/m3 and volume is same

then density is become 20kg/m3 (formula=kg/m3)

here above density and below density is becime different by changing the mass of an object and affect the density and objecy although volume is kept constant or same

7 0

3 years ago

Read 2 more answers

Newman projections are given for two of the conformers of 2-methylbutane, drawn as viewed down the C2-C3 bond. In A the _____ st

schepotkina [342]

The Newman projection gives the view of the molecule. In molecule A the torsional strain and in B steric strain are present because of the gauche methyl group.

<h3>What is a torsional strain?</h3>

The Newman projection depicts the molecules in the head-on view and uses the letters and the lines to represent the molecule. The torsional strain is because of the molecule's resistance to the twisting.

The steric strain is the Vander wall strain that is due to the forced interaction of the molecules separated by covalent bonds resulting in molecular potential energy.

The diagram for the question is attached below.

Therefore, the correct blanks are <u>torsional</u>, <u>steric</u>, and <u>gauche</u>.

Learn more about torsional strain here:

brainly.com/question/27852131

#SPJ1

4 0

3 years ago

Which wave is carrying the most energy? A wave with large amplitude. A wave with very large amplitude. A wave with small amplitu

tankabanditka [31]

Answer:

A wave with small amplitude.

Explanation:

Amplitude us inversely proportional to energy so the smaller the amplitude, the higher the energy.

Hope it helps.

4 0

4 years ago