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Pavel [41]
3 years ago
6

When bonds are (broken/formed) there is a positive energy change.

Chemistry
2 answers:
valina [46]3 years ago
8 0
Very true, it goes from being positive to becoming negative.
krek1111 [17]3 years ago
3 0

Answer: Hello i am confused are you asking a question?

Explanation:

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san4es73 [151]

In the apparatus of the electrochemical cell, the seawater is an example of an electrolyte.

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An electrolyte is a component of the electrochemical cell that is a solution of solvent or water that contains dissolved ions.

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Therefore seawater is an example of an electrolyte.

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3 0
2 years ago
Give the name of the following molecule. EXTRA POINTS PLEASE HELP
Rudik [331]
There isn t a 'middle' carbon  because there  is an even number of them

If the methyl group braches off the 3rd carbon the name is

hexa-3-methyl-3-ene 
3 0
3 years ago
Tobacco's main ingredient is nicotine,alcohol,tar,cigarettes?
Fed [463]
The correct answer is nicotine. It is the main ingredient in a tobacco. Nicotine is an addictive substance thus overuse of the substance will lead to addiction. It acts as a stimulant and a depressant. Tobacco can be dried for smoking and can also be consumed directly.
3 0
4 years ago
To 100.0 g water at 25.00 ºc in a well-insulated container is added a block of aluminum initially at 100.0 ºc. the temperature o
11111nata11111 [884]
When the amount of heat gained = the amount of heat loss

so, M*C*ΔTloses = M*C* ΔT gained

when here the water is gained heat as the Ti = 25°C and Tf= 28°C so it gains more heat.

∴( M * C * ΔT )W = (M*C*ΔT) Al

when Mw is the mass of water = 100 g 

and C the specific heat capacity of water = 4.18

and ΔT the change in temperature for water= 28-25 = 3 ° C

and ΔT the change in temperature for Al = 100-28= 72°C

and M Al is the mass of Al block

C is the specific heat capacity of the block = 0.9 

so by substitution:

100 g * 4.18*3 = M Al * 0.9*72

∴ the mass of Al block is = 100 g *4.18 / 0.9*72

                                          = 19.35 g 





4 0
3 years ago
Yoo pll<br><br> talk to meh<br> taaaaaaaaaaaaaaaaaaaaaalllllllkkkk meeeeehhhh
____ [38]
Hello, how are you? ¯\_(ツ)_/¯
3 0
3 years ago
Read 2 more answers
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