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OLEGan [10]
3 years ago
7

1. In a polar covalent bond,

Chemistry
1 answer:
sveticcg [70]3 years ago
3 0
In a polar covalent bond, there is an unequal sharing of electrons between atoms. If there is equal sharing otherswise it is considered polar covalent. The answer for 1) is D. Water has a higher boiling point because of the strong attraction between polar water molecules due to hydrogen bonding. Answer for 2 is D.
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8. Thermal Energy is?
Burka [1]

Thermal energy is the sum of the kinetic and potential energy of all the particles in an object. The figure shows that if either potential or kinetic energy increases, thermal energy increases.

hope it really helps...!!!

4 0
2 years ago
Pls answer fast chem questions
gregori [183]

I don't recognize this problem, please make sure the input is complete.

7 0
3 years ago
temperature change in Metals metal specific heat initial temperature final temperature copper 0.39 100°C 27°C aluminum 0.90 100°
kolbaska11 [484]

Answer:

a

Explanation:

6 0
4 years ago
You would expect a phosphorous-chlorine bond to be
zlopas [31]

Answer: option 4. polar, with the chlorine end having a partial negative charge.


Explanation:


1) A polar bond is a covalent bond in which the electrons are pulled more strongly by one of the atoms and then they are not evely distributed between the two linked atoms.


2) That happens when the two atoms have diferent electronegativities.


3) As the per periodic table trend of the electronegativity, you can predict that the electronetativity of Cl is higher than that of P.


In fact, in a table of electronegativities you can find that the electronegativity of Cl is 3.16 while the electronegativity of P is 2.19.


This is a 3.16 - 2.19 = 0.97 difference.


As explained, that difference means that Cl will pull the electrons more strongly resulting if a partial negative charge on Cl and a partial positive charge on P, i.e. a polar bond.

4 0
4 years ago
Read 2 more answers
A certain shade of blue has a frequency of 7.08×1014 Hz. What is the energy of exactly one photon of this light? Planck's consta
Anvisha [2.4K]

Answer:

We have the final answer as

4.69 \times  {10}^{ - 19}  \:  \:  J

Explanation:

To find the energy of a photon of this light we use the formula

<h3>E = hf</h3>

where

E is the energy

f is the frequency

h is the Planck's constant which is

6.626 × 10-³⁴ Js

From the question

f = 7.08×10¹⁴ Hz

We have

E = 7.08×10¹⁴ × 6.626 × 10-³⁴

We have the final answer as

4.69 \times  {10}^{ - 19}  \:  \:  J

Hope this helps you

8 0
3 years ago
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