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matrenka [14]
3 years ago
12

The students in Mrs. Smith's class used pH paper to measure the acidity levels between different samples of breakfast drinks. Th

e pH
measurements ranged from 3.27 to 3.88 on the pH scale. Based on this range, we can determine that the most acidic solution had a pH of:
Chemistry
1 answer:
masya89 [10]3 years ago
7 0

Answer:

The most acidic solution had a pH of 3.27.

Explanation:

In order to solve this problem we need to keep in mind that the lower the pH of a solution is, the more acidic the solution is.

If among the pH readings across the measured breakfast drinks, the lowest one was 3.27 (as the problem tells us with the range), then that drink was the most acidic one.

Conversely, the least acidic one had a pH of 3.88.

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PLZ ANSWER QUICKLY! The electronegativity values of carbon, hydrogen, and nitrogen are compared in the table. Comparison of Elec
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Answer:

c. CH4 < NH3 because the NH bond is more polar than the CH bond.

Explanation:

Actually, the electronegativity difference between carbon and hydrogen is just about 0.4. This meager difference in electronegativity corresponds to a nonpolar bond between the two atoms.

However, the electronegativity difference between nitrogen and hydrogen is about 0.9. This larger electronegativity difference corresponds to the existence of a polar covalent bond between the two atoms.

Hence the N-H bond is significantly polar unlike the C-H bond. This implies that CH4 molecules are only held together by weak dispersion forces while NH3 molecules are held together by stronger dipole-dipole interactions and hydrogen bonds.

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2 years ago
Plants and animals use different energy storage molecules, yet they both use the same mechanism to "burn" their stored energy. H
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Explanation:

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3 years ago
What happens to a gas that is enclosed in a rigid container when the temperature of the gas is increased?
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3 years ago
How many liters of O2 gas will be produced at STP from 4 moles of KC1O3
quester [9]

Answer:

V = 134.5 L

Explanation:

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Litters of oxygen produced at STP = ?

Solution:

Chemical equation:

2KClO₃  →  2KCl   + 3O₂

Now we will compare the moles of KClO₃ with oxygen.

                    KClO₃        :           O₂

                        2            :           3

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V = 134.5 L / 1

V = 134.5 L

5 0
3 years ago
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