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3 years ago

What kind of crystalline solid is kci

Chemistry

2 answers:

PilotLPTM [1.2K]3 years ago

4 0

Its a covalent bond formed by Potassium and Chlorine.

The product obtained is POTASSIUM CHLORIDE.

Hope this HELPS !!!

gavmur [86]3 years ago

3 0

Answer:

Ionic solid

Explanation:

Ionic Solids are solids which are composed of oppositely charged ions such as KCl. They consist of a positively charged cation and a negatively charged anion .

When Ionic Solids dissolve in water the cations and the anions separate, and become free to move about in water thereby allowing the solution to conduct electrical current.

The solid cannot conduct electricity because the ions are immobile and held in fixed positions in the crystal by strong electrostatic forces.

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Using the Brønsted-Lowry concept of acids and bases, identify the Brønsted-Lowry acid and base in each of the following reaction

Luden [163]

Answer:

1. HSO³⁻(aq) + H₂O(l) → H₂SO₃(aq) + OH⁻(aq)

The Brønsted-Lowry acid is H₂O and the Brønsted-Lowry base is HSO³⁻

2. (CH₃)₃N(g) + BCl₃(g) → (CH₃)₃NBCl₃(s)

There are no Brønsted-Lowry acids and bases in this reaction.

Explanation:

According to the Brønsted-Lowry concept, when an acid (HA) and a base (B) undergoes a chemical reaction, the acid (HA) loses a proton and forms its conjugate base (A⁻), whereas the base gains (B) the proton to form its conjugate acid (HB⁺).

The chemical equation for this reaction is:

HA + B ⇌ A⁻ + HB⁺

Given reactions:

1. HSO³⁻(aq) + H₂O(l) → H₂SO₃(aq) + OH⁻(aq)

The Brønsted-Lowry acid is H₂O and the Brønsted-Lowry base is HSO³⁻

Reason: In this reaction, the acid H₂O loses a proton and forms its conjugate base, OH⁻. Whereas, the base HSO³⁻ gains a proton to form its conjugate acid, H₂SO₃.

2. (CH₃)₃N(g) + BCl₃(g) → (CH₃)₃NBCl₃(s)

There are no Brønsted-Lowry acids and bases in this reaction.

Reason: In this reaction, there is no exchange of proton between the acid and the base.

4 0

3 years ago

2. Water is a great example of a molecule with polar covalent bonds. How does this bond affect the

Rzqust [24]

Answer :

Example of polar covalent molecules H-O-H(water), ammonia

Explanation:

The presence of intermolecular Hydrogen bonding makes the boiling point of water unexpectedly high, and the polar covalent nature makes it dissolve polar solute/compound

8 0

3 years ago

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A 1.3 g sample of a substance is heated from 0°C to 45°C and is found to have absorbed 45 j of heat. What is the specific heat o

wlad13 [49]

Q=mcat

45=(1.3)(c)(45)

45=58.5c

.769=c

~.77

The answer is .77

5 0

3 years ago

I NEED HELP ASAP!!!

Rus_ich [418]

Explanation:

To answer this question, we'll need to use the Ideal Gas Law:

where

is pressure,

is volume,

is the number of moles

is the gas constant, and

is temperature in Kelvin.

The question already gives us the values for

and

, because helium is at STP. This means that temperature is

273.15 K

and pressure is

1 atm

We also already know the gas constant. In our case, we'll use the value of

0.08206 L atm/K mol

since these units fit the units of our given values the best.

We can find the value for

by dividing the mass of helium gas by its molar mass:

number of moles

mass of sample

molar mass

6.00 g

4.00 g/mol

1.50 mol

Now, we can just plug all of these values in and solve for

1.50 mol

0.08206 L atm/K mol

273.15 K

1 atm

= 33.6 L

this is not the answer but it will help you

do by the formula it is on the answer

3 0

3 years ago

24 POINTS!!!!!!!!!!

Oliga [24]

Your answer is going to be A, because it was shoved harder, it will go faster

8 0

3 years ago

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