1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
inna [77]
3 years ago
9

The average strength of a hydrogen bond is approximately what percent of the average strength of a covalent bond?

Chemistry
1 answer:
lozanna [386]3 years ago
8 0

<span>Hydrogen bonds are approximately 5% of the bond strength of covalent bonds, for example (C-C or C-H bonds).
Hydrogen bonds strength in water is approximately 20 kJ/mol, strenght of carbon-carbon bond is approximately 350 kJ/mol and strengh of carbon-hydrogen bond is approximately 340 kJ/mol.
20 kJ/350 kJ = 0,057 = 5,7 %.</span>

You might be interested in
When solving an equation using Gay-Lussac's law, which of the following steps do not apply? A. List your knowns and unknowns. B.
suter [353]

Answer:

C. Plug the unknowns into the ideal gas law formula.

Explanation:

Gay-Lussac's law states that:

"For a constant mass of an ideal gas kept at constant volume, the pressure of the gas is directly proportional to its absolute temperature"

Mathematically, it can be written as:

\frac{p_1}{T_1}=\frac{p_2}{T_2}

where

p1 is the initial pressure

T1 is the initial temperature (in Kelvin)

p2 is the final pressure

T2 is the final temperature (in Kelvin)

Therefore, in order to solve for one of the 4 variables, the following steps must be adopted:

A. List your knowns and unknowns.

B. Convert temperature to kelvin.

D. Solve for the unknown.

While the following step is not needed:

C. Plug the unknowns into the ideal gas law formula.

Because we do not need to use the ideal gas law formula.

8 0
3 years ago
Is there any organism on the food web that could completely die out that would have no impact on other organisms? Why or why not
andrew11 [14]
Yes because obviously some other organism lives off eating that organism so if they die off the other organisms will be affected heavily
4 0
2 years ago
19.3 g of cadmium hydroxide reacted with 15.21 g of hydrobromic acid. How many grams of water can be made?
Alecsey [184]

Answer:

m_{H_2O}=3.384gH_2O

Explanation:

Hello,

In this case, the chemical reaction is:

Cd(OH)_2+2HBr\rightarrow CdBr_2+2H_2O

Thus, we first identify the limiting reactant by computing the yielded moles of water by both of the reactants:

n_{H_2O}^{by\ Cd(OH)_2}=19.3gCd(OH)_2*\frac{1molCd(OH)_2}{146.4gCd(OH)_2}*\frac{2molH_2O}{1molCd(OH)_2}=0.264molH_2O\\\\n_{H_2O}^{by\ HBr}=15.21gHBr*\frac{1molHBr}{80.9gHBr}*\frac{2molH_2O}{2molHBr}=0.188molH_2O

In such a way, since HBr yields less water than cadmium hydroxide, we infer that HBr is the limiting one, therefore, the yielded mass of water are:

m_{H_2O}=0.188molH_2O*\frac{18gH_2O}{1molH_2O}\\ \\m_{H_2O}=3.384gH_2O

Regards.

4 0
3 years ago
Please help asap!!!!
djyliett [7]
B is the answer..!
Disturbance is in a circular motion
7 0
3 years ago
Read 2 more answers
What is the mass of KNO3(s) that must dissolve in 100. grams of water to form a saturated solution at 50.oC?
Ostrovityanka [42]
The solubility of substance depends upon the temperature. In present case, the solubility of KCl is 84g/100g at <span>50.oC. 

This means that, maximum 84g of KCl can be dissolved in 100g of water (at </span>50.oC) to form solution. This solution is referred as saturated solution. 

Thus, 84g of <span>KNO3 must be dissolve in 100 grams of water to form a saturated solution at 50 oC.</span>
4 0
3 years ago
Read 2 more answers
Other questions:
  • Which wave corresponds to the higher-energy radiation? which wave corresponds to the higher-energy radiation? wave (b) has the h
    8·1 answer
  • How are proteins, carbohydrates, and fats related to the discipline of chemistry
    5·1 answer
  • James took two pea plants, placing one in a dark closet and the other on a sunny window sill. Both are located in air conditione
    9·2 answers
  • A thin metallic spherical shell of radius 41.6 cm has a total charge of 8.55 μC uniformly distributed on it. At the center of th
    14·1 answer
  • Which of the following elements has the first ionization energy?
    9·2 answers
  • Explain why noble gases usually do not form bonds with other atoms?
    12·1 answer
  • Find molar mass of a gas when the density is given as 1.25g / L
    11·1 answer
  • The element least likely to obey the octet rule in forming chemical bonds is Group of answer choices oxygen. carbon. nitrogen. n
    12·1 answer
  • What is the conversion factor for in^3 to cm^3
    12·1 answer
  • WILL GIVE BRAINLIEST- What is the % of each element in Al2(CrO4)3
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!