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Novay_Z [31]
3 years ago
9

The presence of hydrogen bond in most molecules is responsible for the following except

Chemistry
2 answers:
-Dominant- [34]3 years ago
5 0
That answer is either 3 or 4, but I truly forgot which of the two.
Rom4ik [11]3 years ago
4 0

Answer:

3. low boiling point

Explanation:

There are primarily 4 types of intermolecular forces which exists between molecules.  In the increasing strength, these forces can be grouped as:

Ionic bond > hydrogen bonds > dipole-dipole > dispersion forces

Hydrogen bond is essentially a bond formed between H-atom and a highly electronegative atom like N, O, F etc. These are strong forces of attraction. Greater the H-bonding greater is the attractive force which will result in molecules having high melting and very high boiling points. It will also increase the polarity of the molecule making it more soluble in water.

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Coffee is a solution of organic substances in water
Eduardwww [97]

Answer:

yes it is

Explanation:

8 0
2 years ago
2. Use the Henderson-Hasselbalch equation to estimate the pH of a buffer solution that is composed of 20 mL of 10 M sodium forma
Mkey [24]

Answer:

pH of buffer =4.75

Explanation:

The pH of buffer solution is calculated using Henderson Hassalbalch's equation:

pH=pKa+log[\frac{[salt]}{[acid]}

Given:

pKa = 3.75

concentration of acid = concentration of formic acid = 1 M

concentration of salt =  concentration of sodium formate = 10 M

pH=3.75+log[\frac{10}{1}]=3.75+1=4.75

pH of buffer =4.75

7 0
3 years ago
An ideal gas occupies a volume V at an absolute temperature T. If the volume is halved and the pressure kept constant, what will
Kruka [31]

Answer:

It will be halve of T

Explanation:

V1 = V

T1 = T

V2 = ½V

T2 = x

V1/T1 = V2/T2

V/T = ½V/x

Vx = ½VT

2Vx = VT

2x = T

x = ½T

6 0
3 years ago
What relationship does Avogadro's law describe?
LenaWriter [7]

Answer:

D. The relationship between volume and moles

Explanation:

Amedo Avogadro found the relationship between the volume of a gas and the number of molecules contained in the volume.

The law states that "equal volume of all gases at the same temperature and pressure contains the same number of molecules or moles".

Mathematically:

                         V ∝ n (P,T constant)

4 0
2 years ago
What type of sugar has the largest surface area
Valentin [98]

Answer:

d.) granulated

Because the granulated sugar has a greater surface area.

7 0
2 years ago
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