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Brrunno [24]
3 years ago
9

11. With regard to the pH scale, a solution with a pH

Chemistry
2 answers:
marishachu [46]3 years ago
6 0

Answer:

b

Explanation:

ik the answer jsjsjsjs

alexandr402 [8]3 years ago
3 0
Answer: The answer is B.

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How do you think our understanding of genes might affect doctors ability to treat or prevent disease in the future?
igomit [66]

Answer:

dentifying genetic variants Genome sequencing has the potential to improve the diagnosis of conditions caused by changes in the DNA and indicate what treatments may be most effective. Importantly, it may also red-flag treatments likely to cause adverse reactions.

Explanation:

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3 years ago
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2.5 moles of sodium chloride is dissolved<br> to make 0.050 liters of solution.
ivanzaharov [21]

The answer is:

the molarity = 50 moles/liters

The explanation:

when the molarity is = the number of moles / volume per liters.

and when the number of moles =2.5 moles

and the volume per liters = 0.05 L

so by substitution:

the molarity = 2.5moles/0.05L

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4 years ago
What are the molecular an empirical chemical formula of a compound made up of these molecules? (Look at Photo)The line stand for
Naya [18.7K]

The molecular formula gives us the total number of atoms of the compound. To do this we are going to count each of the atoms.

We have:

C = 4

H = 8

O = 2

So, the molecular formula will be C4H8O2

The empirical formula is the simplest way to represent a molecule, we simplify taking the denominators of the molecule to its simplest form, as they are all multiplies of two we can divide everything by this number and thus we obtain the empirical formula.

So, the empirical formula will be C2H4O

8 0
1 year ago
5 of 7 What percentage of a material will persist after 80 minutes if it's half life is 20 minutes?​
malfutka [58]

Answer:

50

Explanation:

6 0
3 years ago
A dog is trained to sit and shake hands. These traits are most likely?
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Hi there! ~

Your answer is B. Not inherited, simply because dogs aren't born to know these things, you have to train them. 
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