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Dima020 [189]
4 years ago
15

The largest number from among the following is:

Chemistry
2 answers:
Ilia_Sergeevich [38]4 years ago
7 0
It is true that <span>A. 1.80 x 10-2 is the correct answer because

</span><span>1.80 x 10-2 =.00180
1.80 x 10-4 </span>=.0000180
1.80 x 10-6 =.000000180
1.80 x 10-8 =.00000000180<span>

</span>
Alik [6]4 years ago
6 0
The answer would be a) 1.80 x 10-2
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What is the h+ concentration in a urine sample that has a ph of 6?
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Remember pH is defined as: pH = -log[H+]  

so, substituting  

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5 0
4 years ago
What is the structural formula of 2-methylbutan-2-ol (sometimes called 2-methyl-2-butanol)?
kvasek [131]
Structural formula  is  the   formula  which  shows   the  arrangement  of  atoms   in  the  molecule  of  a   compound
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5 0
3 years ago
Which shows an isomer of the molecule below?
babunello [35]
Above question is incomplete. Complete question is attached below
.......................................................................................................................

Correct Answer: Option D i.e. CH3CH2CH2CH2CH3

Reason:
Isomers are the compounds having same molecular formula, but different structural formula.

The molecular formula of the compound is C5H12

The compound present is question (i.e. 2-methyl butane) and option D (n-pentane) has same molecular formula. Hence, they are isomers.

However, compound present in option A, is the same compound provided in question. Hence, it is not an isomer. Compounds reported in option B and C has one carbon atom less and more, respectively as compared to the compound reported in question. Hence, they are also not isomers. 

5 0
3 years ago
Include a map with points where neon can be found.
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Also: "Neon is rare on Earth, found in the Earth's atmosphere at 1 part in 55,000, or 18.2 ppm by volume (this is about the same as the molecule or mole fraction), or 1 part in 79,000 of air by mass."

Also I only found one if that is okay but here it is: It is the place where it is a city and most people find most neon there.

5 0
4 years ago
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