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julia-pushkina [17]
4 years ago
9

a problem or issue in a human or natural environment caused by chemical reactions. Plz give me the URL as well.

Chemistry
1 answer:
MArishka [77]4 years ago
5 0
The problem or issue in a human or natural environment caused by chemical reactions would be smog. It is a kind of air pollution, originally named for the mixture of smoke and fog in the air.  <span>The atmospheric pollutants or gases that form </span>smog <span>are released in the air when fuels are burnt. When sunlight and its heat react with these gases and fine particles in the atmosphere, it is formed.</span>
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Question 20 (1 point)
romanna [79]

Answer:

A. The ratio of the element in glucose is different than in ethanol

Explanation:

The compounds given are;

      Glucose      C₆H₁₂O₆

     Ethanol         C₂H₆O

The two compounds given are different from one another. But they have the same elemental composition.

   Ethanol is made up of Carbon, hydrogen and Oxygen and so also, Glucose

Now,

  The number of atoms in both compounds are different;

                                   Number of atoms

                        C                             H                     O

Glucose           6                             12                      6

Ethanol            2                              6                       1

8 0
3 years ago
Suggest why some metals will react with hot water but not with cold water. Explain with one example. Draw figure.
Lelechka [254]

The difference in the reactivity of metals accounts for why some metals will react with hot water but not with cold water. For example, aluminum is less reactive than sodium and will only react with hot water but not cold water.

<h3>What is reactivity of metals?</h3>

The reactivity of metals is the ability of a metals to lose electrons.

The reactivity of metals generally decreases from left to right across the periodic table but increases on going down a group.

Due to the differences in reactivity of metals, some metals are more reactive than others.

For example, the reactive metals sodium, potassium and calcium react with cold water to with differing degree of spontaneity to liberate hydrogen.

Some other metal like aluminum, zinc, and  iron can only react with hot water or steam to liberate hydrogen.

Therefore, the reactivity of a metal will determine if it will react with cold water or hot water.

Learn more about reactivity of metals at: brainly.com/question/28107797

#SPJ1

5 0
2 years ago
What is the law of reflection? please help!!!
Jet001 [13]

Answer:

Does this answer your question?

Explanation:

The law of reflectionis a predictable behavior of reflected light, stated as: the angle of reflection equals the angle of insidence.

3 0
3 years ago
By definition, what type of fatty acid has double bonds?.
Doss [256]

Answer:

Fatty acids are comprised of hydrocarbon chains terminating with carboxylic acid groups. Fatty acids and their associated derivatives are the primary components of lipids. The length and degree of saturation of the hydrocarbon chain is highly variable between each fatty acid, and dictates the associated physical properties (e.g., melting point and fluidity). Moreover, fatty acids are responsible for the hydrophobic properties (insoluble in water) exhibited by lipids.

Function of Fatty Acids

Explanation:

6 0
2 years ago
Suppose that while performing part B, you weigh the casein and filter paper before they are completely dry. How will this error
zepelin [54]

Answer:

It will decrease it

Explanation:

8 0
4 years ago
Read 2 more answers
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