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3 years ago

Chemistry behind sneakers

Chemistry

2 answers:

ANEK [815]3 years ago

8 0

Idk idk idk idk idk idk idk

Vinvika [58]3 years ago

7 0

Answer:

The soul is in the bottom of your feet in a sneaker

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Balance the equation C4H8 (g) + ?O2(g) → ? CO2 (g) + ? H2O (g), using the smallest possible integers. What is the coefficient of

den301095 [7]

The coefficients should be 1; 6; 4; 4 and the coefficient of CO2 is 4

7 0

3 years ago

2NO + 3MnO2 + 4H â 2NO3- + 3Mn2 + 2H2O For the above redox reaction, assign oxidation numbers and use them to identify the eleme

mixer [17]

Answer:

Manganese decreases from 4+ to 2+ (reduced and oxidizing agent) and nitrogen increases from 2+ to 5+ (oxidized and reducing agent).

Explanation:

Hello there!

In this case, according to the given redox reaction, we rewrite it as a convenient first step:

$2NO + 3MnO_2 + 4H^+ \rightarrow 2NO_3^- + 3Mn^{2+} + 2H_2O$

Next, we assign the oxidation numbers as follows:

$2N^{2+}O^{2-} + 3Mn^{4+}O^{-2}_2 + 4H^+ \rightarrow 2(N^{5+}O^{2-}_3)^- + 3Mn^{2+} + 2H^+_2O^{2-}$

Thus, we can see that both manganese and nitrogen undergo a change in their oxidation number, the former decreases from 4+ to 2+ (reduced and oxidizing agent) and the latter increases from 2+ to 5+ (oxidized and reducing agent).

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3 years ago

The basic building blocks of a protein are

snow_lady [41]

The building blocks of protein are amino acids.

Amino acids are a class of organic compounds that contain at least one amino group, -NH2, and carboxyl group, -COOH.

Alpha amino acids , RCH(NH2)COOH, are the building blocks from which proteins are constructed.

The NH group of one amino acid and the COOH group of the other amino acid are joined together and a peptide bond -CONH- is formed between the two amino acids and the product is called a dipeptide.

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3 years ago

Increasing technology addiction among the youth write a letter to editor

ruslelena [56]

Answer:

these two would help you

Explanation:

have a good day ᕕ( ᐛ )ᕗ

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3 years ago

Answer quickly i'm out of time !!!!!!

melamori03 [73]

Answer:

Option D. pH= 1.3 strong acid

Explanation:

From the question given:

The hydrogen ion concentration [H+] = 0.05 M

pH = —Log [H+]

pH = —Log 0.05

pH = 1.3

Since the pH lies between 0 and 7, the solution is acidic. Since the pH value is low, the solution is a strong acid

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3 years ago