2 years ago

Can soft drinks be part of a healthy diet?

Chemistry

1 answer:

mash [69]2 years ago

6 0

Answer:

yes, but its better to drink water

Explanation:

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What is an formed when liquid reactants

Gnesinka [82]

im not understanding the question, but if its a solid then the reactants are precipitate

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2 years ago

To indicate the pH of a substance, one can use a dye that is both an acid and that appears as different colors in its protonated

PIT_PIT [208]

Answer:

<em>The pH of the solution is 7.8</em>

Explanation:

The concentration of the solution is 0.001M and the dye could be in its protonated and deprotonated forms. If the concentration of the protonated form [HA] is 0.0002 M the concentration of the deprotonated form will be the subtraction between the concentration of the bye and the concentration of the protonated form:

[A-] = 0.001M - 0.0002M = 0.0008M

Also, the Henderson-Hasselbalch equation is

$pH = pKa + Log \frac{[A^{-}]}{[HA]}$

this equation shows the dependency between the pH of the solution, the pKa and the concentration of the protonated and deprotonated forms. Thus, replacing in the equation

$pH = 7.2 + Log \frac{0.0008M}{0.0002M} = 7.8$

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3 years ago

When iron reacts with oxygen what substance is produced?

zhannawk [14.2K]

It will produce iron oxide

8 0

3 years ago

Bromine (Br) belongs to the halogen family. Based on the location of the halogens, how many valence electrons does bromine have?

Amanda [17]

Answer:

D. 7

Explanation:

The halogens are found in Group 7 of the Periodic Table. If Bromine is a halogen, then that means it would be found in Group 7. Also, elements in Group 7 have 7 electrons in its outer shell, Bromine would have 7 electrons in its outer shell.

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3 years ago

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In the gas egquation PV=RT, V stands for volume of

Wittaler [7]

Ans: B . 1 mole of gas

Explanation:

...

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3 years ago