Which compound has the strongest hydrogen bonding between its molecules?(1) HBr (3) HF
(2) HCl (4) HI

Answers

Answer 1

Answer: (3) HF because HCl is an acid and it seperates easily into water. Flourine has the highest electronegativity so im guessing because it pulls the electrons the hardest that it has the strongest bonds.

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What is the difference between a crystalline material and an amorphous material? Give an example of each type.

Answers

Answer :

As we know that there are two types of solids.

(1) Amorphous Solids

(2) Crystalline Solids

Amorphous Solids : It is a type of solids in which the constituent particles of the matter are arranged in the random manner.

That means there is no proper arrangement of atoms in solid lattice but the atoms or molecules are closely spaced that means they can move freely from one place to another.

The examples of amorphous solid are, plastics, glass, rubber, metallic glass, polymers, gel, fused silica, pitch tar, thin film lubricants, wax.

Crystalline Solids : It is a type of solids where the constituent particles of the matter are arranged in the specific manner.

That means there is a proper arrangement of atoms in solid lattice. They do not have space between the molecules or atoms and they can not move freely from one place to another.

The examples of crystalline solids are, quartz, calcite, sugar, mica, diamonds, snowflakes, rock, calcium fluoride, silicon dioxide, alum.

HELP UNDERSTAND, PLEASE! In a reaction, 15 moles of carbon dioxide are produced from 5 moles of iron (III) oxide and 15 moles of carbon monoxide. What is the mole ratio of carbon dioxide to carbon monoxide?

15:5

5:15

1:3

1:1

Answers

My best guess has to be 1:3

15:15 is equal to 1:1

Which begins as radiant energy and can be transformed into electricity? A.
water

B.
uranium

C.
sunlight

D.
wind

Answers

A. water. hope i helped

A. water is the most likly choice for the answer

The chemical formula for aluminum hydroxide? is Al(OH)3. Which of the following is true about aluminum hydroxide?

Answers

Where are the choices?

Una muestra contiene 160 g de bromo y 2 g de hidrógeno. Otra muestra de bromuro de un metal contiene 4 g de bromuro y 1 g de metal. Halla el peso equivalente del metal.

Answers

Answer:

$x = 40\,g$

Explanation:

El peso equivalente del metal se calcula por regla de tres simple:

$x = \left((160\,g\,Br)/(4\,g\,Br)\right)\cdot (1\,g)$

$x = 40\,g$

Answer:

El peso equivalente del metal es 1/20 g

Explanation:

Una muestra contiene 160 g de bromo y 2 g de hidrógeno. Otra muestra de bromuro metálico contiene 4 g de bromuro y 1 g de metal. Encuentra el peso equivalente del metal

Aquí tenemos la primera muestra que tiene la relación de bromo a hidrógeno de 160 g de bromo a 2 g de hidrógeno.

Eso es 160 g de bromo está presente con 2 g de hidrógeno

Dividiendo la combinación anterior por 160 para encontrar la cantidad de hidrógeno que se combina con 1 g de bromo, tenemos

(160 g) / 160 de bromo está presente con (2 g) / 160 de hidrógeno

1 g de bromo está presente con 1/80 g de hidrógeno

Por lo tanto, 4 g de bromo están presentes con 4/80 g de hidrógeno o tenemos;

4 g de bromo están presentes con 1/20 g de hidrógeno

Por lo tanto, el peso equivalente del metal = 1/20 g.

50 grams of acetic acid C2H4O2 are dissolved in 200 g of water. Calculate the weight % and mole fraction of the acetic acid in the solution

Answers

$50g$ $of$ $C_2H_4O_2$ $in$ $200g$ $H_2O$

so:

$(50)/(200+50)+100\%= (50*100)/(250)\%=20\%$

$MW of acid = 2*C+4*H+2*O = 2*12+4*1+2*16=$

$=24+4+32=60g/mol$

so:

$(50g)/(60g/mol)\approx0.83moles$

it means that

in $50g$ of acid there is $\approx0.83$ moles of acid

$MW of H_2O = 2*H+O=2*1+16=2+16=18g/mol$

so:

$(200g)/(18g/mol)\approx11.11moles$

it means that:

in $200g$ of water there is $\approx11.11$ moles of water

therefore:

$(0.83mol)/(11.11mol+0.83mol)= (0.83mol)/(11.94mol)=0.069$

So your answers are:

$20\%$

and the mole fraction is:

$0.069$

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Which compound has the strongest hydrogen bonding between its molecules?(1) HBr (3) HF (2) HCl (4) HI

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Which compound has the strongest hydrogen bonding between its molecules?(1) HBr (3) HF
(2) HCl (4) HI