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marissa [1.9K]
3 years ago
14

"Science" and "technology are words that often are mixed up, even though they have

Chemistry
1 answer:
Nonamiya [84]3 years ago
3 0

Answer:

People used technology to make the I phone.

Explanation:

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A total of 25.0 mL of 0.150 M potassium hydroxide (KOH) was required to neutralize 15.0 mL of sulfuric acid (H2SO4) of unknown c
8_murik_8 [283]
For neutralization of acid by a base (or vice versa), the equation should be used.
                          M₁V₁ = M₂V₂
where M's are the molarity and the Vs are the volume. Substituting the known values,
                        (0.150M)(25) = M₂(15 mL)
The value of M₂ from the equation is equal to 0.25M. Thus, the concentration of the acid is 0.25M. 
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3 years ago
How many acids are there
Sonja [21]
There are at least 7 strong acids
4 0
4 years ago
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What type of chemical reaction does this equation represent?<br> H3PO3—&gt;H3PO4 + PHz
Bogdan [553]
Decomposition I believe
6 0
3 years ago
CH3CH2OH+3O2 2CO2+3H20 ( ethanol) explain this equation! if u didn't understand the wat I have written could u text in personal
Alexandra [31]

The equation is given is of combustion of ethanol.

Fuel ethanol (C2H5OH) has high energy carbon-carbon (C-C) and carbon-hydrogen (C-H) bonds that store chemical energy. From the ethanol container, ethanol molecules evaporating, enter the flame's base. A physical action called evaporation converts liquid into gas. Ethanol evaporates with a constant molecular structure.

The molecules of ethanol and oxygen combine inside the flame and undergo a chemical transformation. Let's consider matter, or the atoms. The oxygen (O2) and ethanol (C2H5OH) molecules' atoms reorganise into carbon dioxide (CO2) and water (H2O). There are always the same number of atoms. A chemical equation may be used to demonstrate how the atoms are rearranged.

Energy is released as the atoms in the oxygen and ethanol are rearranged. When the high-energy C-C and C-H bonds in ethanol are swapped out for the low-energy H-O and C=O bonds in carbon dioxide and water, chemical energy is released as heat and light.

The ethanol and oxygen atoms are rearranged into carbon dioxide and water during burning. Water and carbon dioxide escape from the flame's top.

To conclude with we can say that the given reaction of combustion of ethanol. Ethanol with oxygen given carbon dioxide with water on reaction.

Learn more about Combustion of ethanol here:

brainly.com/question/14007764

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8 0
2 years ago
1. What does it mean for a substance to be soluble?​
Anni [7]

Answer:

Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent. It is measured in terms of the maximum amount of solute dissolved in a solvent at equilibrium. ... Certain substances are soluble in all proportions with a given solvent, such as ethanol in water.

Explanation:

3 0
4 years ago
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