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zloy xaker [14]
3 years ago
5

Elaborate on the suitability of "cola" type drinks to polish chrome surfaces. A) The basic pH of cola allows for easy removing o

f oils. B) The phosphoric acid in cola easily removes dirt and grime. C) The neutral nature of cola allows it to function like water. Eliminate D) The sugar in cola makes it likely to cause the chrome to rust.
Chemistry
1 answer:
pav-90 [236]3 years ago
4 0
The answer is: <span>B) The phosphoric acid in cola easily removes dirt and grime.
</span>
Cola is a drink containing phosphoric acid in its complex composition. Acidic properties of Cola allow her to remove rust, dirt, and grime from chrome surface. In the same time, it is a very diluted solution of phosphoric acid which is very important not to damage a metal.
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The mass of a single uranium atom is 4.70x10^-22 grams. How many uranium atoms would there be in 111 milligrams of uranium?
emmainna [20.7K]

2.4 x 10²² atoms

<h3>Further explanation</h3>

Atomic mass is the average atomic mass of all its isotopes  

In determining the mass of an atom, as a standard is the mass of 1 carbon-12 atom whose mass is 12 amu  

So the atomic mass obtained is the mass of the atom relative to the 12th carbon atom  

mass single Uranium atom=4.7 x 10⁻²² g

then for 111 mg=0.111 g

\tt \dfrac{0.111}{4.7\times 10^{-22}}=2.4\times 10^{22}

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PLEASE HELP THIS IS DUE TODAY
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Answer:

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Explanation:

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3 years ago
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krok68 [10]

Hey there!

The elements in this equation are K, N, O, H, and C.

Let's count how many of each are on each side to see if it is balanced.

K: 2 on the left, 2 on the right.

<em>N: 2 on the left, 4 on the right. </em>

<em>O: 9 on the left, 6 on the right. </em>

<em>H: 2 on the left, 4 on the right. </em>

C: 1 on the left, 1 on the right.

Notice that there are different amounts of N, O, and H on the left side and the right side.

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6 0
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salantis [7]

Answer:

D

Explanation:

6 0
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