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NemiM [27]
3 years ago
14

I'm having trouble understanding what "the difference in energy between the products and reactants from the surroundings" means.

Can you help explain what this means? please​
Chemistry
1 answer:
Elenna [48]3 years ago
3 0

Answer:

The energy change in a chemical reaction is due to the difference in the amounts of stored chemical energy between the products and the reactants. This stored chemical energy, or heat content, of the system is known as its enthalpy.

Explanation:

Due to the absorption of energy when chemical bonds are broken, and the release of energy when chemical bonds are formed, chemical reactions almost always involve a change in energy between products and reactants. By the Law of Conservation of Energy, however, we know that the total energy of a system must remain unchanged, and that oftentimes a chemical reaction will absorb or release energy in the form of heat, light, or both.

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mario62 [17]
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8 0
4 years ago
How many moles of H2 would be required to produce 37.0 moles of water?
svp [43]

Hii there !

The reaction accompanying production of water in this case would be -

\green{ \underline { \boxed{ \sf{H_2+ \frac{1}{2}O_2\longrightarrow H_2O}}}}

Thus ,by observing the reaction, we can conclude that 1 mole of Hydrogen (H_2)react with 1/2 mole of oxygen(O_2)to produce 1 mole of water (H_2O)

\impliesTherefore, 37.0 moles of hydrogen(H_2) will be required to produce 37.0 moles of water.

Hope it helps.

7 0
2 years ago
What is the means by which atoms form chemical bonds?
Natali5045456 [20]
<h2>Answer:</h2>

A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds. The bond may result from the electrostatic force of attraction between oppositely charged ions as in ionic bonds or through the sharing of electrons as in covalent bonds.

<h2>Explanation:</h2>

Chemical bonds are formed by gaining, yielding or sharing electrons to reach stable electronic configurations such as those of noble gases. Electropositive atoms give up electrons to complete the most stable configuration, leaving them with a negative charge defect.

<em>hope</em><em> </em><em>this</em><em> </em><em>help</em>

4 0
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ivanzaharov [21]
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