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HACTEHA [7]
3 years ago
11

Systems in nature tend to undergo changes toward___? Explain your answer.

Chemistry
1 answer:
musickatia [10]3 years ago
5 0
I think the answer is systems tend to undergo changes towards lower energy and higher entropy. 
Usually the point of chemical reactions is to go from a state of higher energy to lower energy (it is possible for reactions to go from lower to higher energy though as in the case of endothermic reactions). 
As for entropy, usually it requires energy to lower the entropy of a system since entropy can be thought of as the relative disorder of the system.  If you go from a state of higher disorder to lower disorder work usually needs to be done.
This trend can be shown in the equation ΔG=ΔH-TΔs:
ΔG stands for Gibbs free energy
ΔH stands for change in enthalpy
ΔS stands for change in entropy
T stands for temperature
when ever ΔG is negative the reaction is spontaneous which means that it is favored.  As you can see ΔG is negative at any temperature when ΔH is negative and ΔS is positive showing that going to a lower energy state and raising the entropy is usually favored in nature.

I hope this helps.  Let me know if anything is unclear or if you need further explanation.
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Serhud [2]
Both HF and HBr experience H-bond, dipole, and dispersion forces. These forces allow the compounds to have stronger bonds with each other. HF would experience a higher amount of attraction between its molecules. This is because fluorine is more electronegative than bromine.

Hope this helps!
6 0
4 years ago
Atmospheric pressure arises due to the force exerted by the air above the Earth. At higher altitudes, the mass of the air above
SVETLANKA909090 [29]

Answer:

less, decreases

Explanation:

When the pressure of an atmosphere occurs because of the force exerted so at the time of the higher altitudes, the air mass i.e. above the earth should be less as the air is attracted towards surface of an earth because of the gravity and air contains the mass that shows near the surface area so automatically the air density reduced due to which the mass also decreased

7 0
3 years ago
A sample of a gas takes up 2.35L of space at room temperature (20.0ºC). What volume will the gas occupy at -5.00ºC? (Hint: Don’t
sergiy2304 [10]
So if it is 2.35L at the temperature 20.0^C and you want the volume at -5.00^C this is hw you would solve it for example 20.0^C to 2.00L it would be 10 degrees per Liter so it would be here 10 degrees every liter so you would do 20.0 % 2.35 = / then find the answer and then find out how many degrees that answer is off of -5.00 then once you get that divide -5.00 with that answer.<span>
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3 0
4 years ago
LINKS WILL BE BLOCKED AND REPORTED PLS HELP
PtichkaEL [24]

Answer: c

Explanation: c.

7 0
3 years ago
Crude oil is ________. a. composed of less than ten different hydrocarbon molecules b. formed in a wide range of temperature and
Arisa [49]

Answer:

C

Explanation:

A - Crude oil is composed for hundreds of hydrocarbon, not less than ten.

B - Is formed in specific conditions of temperature and pressure

C - It's fractionated to form gasoline, lubricants, CH4, plastics and many other products made of hydrocarbon.

D - We have crude oil located more than 4000 yards below the surface in countries like Brazil

E - The crude oil is very thick and don't have an specific usage, so we need to refine it.

3 0
3 years ago
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