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AlekseyPX
3 years ago
15

Balance the equation, complete ionic equation, and net ionic equation for these 3:

Chemistry
1 answer:
Alona [7]3 years ago
3 0

Answer:

https://www.webassign.net/question_assets/wertzcams3/appendix.pdf

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Exothermic reactions release energy. Where is the energy used for these reactions to occur stored? .
Tanya [424]

Answer:

In the chemical bonds.

Explanation:

There are different types of chemical bonds, some store a TON of energy while others do not store as much. You can think of it like this: for bonds with low energy, it takes a LOT of force to pull them apart, meaning they are strong bonds. However, this way, you have to put energy into them to break the bonds and form a chemical reaction. This is an endothermic reaction, a reaction that absorbs heat from its surroundings.

Instead, bonds in exothermic reactions are BEGGING to form a more stable bond, and hence store a lot of potential energy. Due to the difficulty of maintaining these bonds, there is a lot of energy put into them. If you break them, however, (exothermic reaction) the energy is released, and hence the exothermic reaction happens.

Hope this helped. Please give Brainliest! :>

7 0
3 years ago
If the absolute temperature of gas is 600k, the temperature in degree celsius is?
Tju [1.3M]
It is 326.85 degrees Celsius
4 0
3 years ago
Read 2 more answers
Consider an acidic chromate-dichromate system at equilibrium in which the color is an orange-yellow. The reaction is represented
goldenfox [79]

Answer:

The equilibrium will move in forward direction.

Explanation:

Any change in the equilibrium is studied on the basis of Le-Chatelier's principle.

This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.

Cr_2O_7^{2-}(aq)+H_2O(l)\rightleftharpoons 2CrO_4^{+}(aq)+2H^+(aq)

On addition of base at the equilibrium, the hydroxide ions of the base will neutralize the hydrogen ions and lowering in concentration of hydrogen ion will be observed.

So, on lowering of concentration of hydrogen ions the equilibrium will move in direction in accordance to Le Chatelier’s Principle .The equilibrium will move in forward direction.

4 0
3 years ago
Write the pair sequence using the right base for the mouse DNA. ATGGGTGATGTTGAAAAAGGCAAGAAGATTTTTGTTCAGAAGTGTGCCCAGTGCCACACT
inysia [295]

Answer:

Explanation:

Every A will be paired with a T, and every C with a G and vice versa (T to A, and G to C)

So the first letters in the sequence are ATGGG. So the pair will be TACCC.

4 0
3 years ago
Pls help I will give brainliest
exis [7]

Answer:

paki sagot naman pls para my isagot ako sa module ko ty

7 0
3 years ago
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