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Law Incorporation [45]
3 years ago
14

According to Frank, what is the “10 second rule"?

Chemistry
1 answer:
Lelechka [254]3 years ago
4 0

Answer:

The first option, aka Opick it up off the gound within 10 seconds, and it's o.k. to eat

Explanation:

The 10 second rule is a rule when you drop foods, but if you get it off the floor under 10 seconds, you can eat it.

Did you know that food picked up under 10 seconds and after 10 seconds has almost the same number of bacterias? The 10 second rule is basically worthless.

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Explain why the electron configuration of 2-3-1 represents an atom in an excited state.
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Answer:

The excited state electron configuration of an atom indicates the promotion of a valence electron to a higher energy state.

4 0
3 years ago
I need help, plz help me with this problem
Svetlanka [38]

Answer:

It's b

Explanation:

I had the same exact question

5 0
2 years ago
Write the balanced chemical equation for the following: The destruction of a marble statuary by acid rain: aqueous nitric acid r
Mashcka [7]

Answer: The coefficient in front of nitric acid is 2

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas. Liquids are represented by (l) and gases are represented by (g).

The balanced chemical reaction is :

CaCO_3(s)+2HNO_3(aq)\rightarrow Ca(NO_3)_2(aq)+CO_2(g)+H_2O(l)

7 0
3 years ago
What are 3 things an Apple, Knife and Mirror have in common? 
s2008m [1.1K]
1)They are all take up space.
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3)They are all solids.

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7 0
3 years ago
0.0027432 using scientific notation
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Answer: 2.7423 × 10^-3

Explanation:

4 0
3 years ago
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