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ELEN [110]
2 years ago
13

In an experiment, mixing baking soda and vinegar produced a combination of salty water and carbon dioxide shown in the following

graph. What is the combined mass of the baking soda and vinegar before mixing?
45 grams
55 grams
35 grams
450 grams
Chemistry
2 answers:
Cloud [144]2 years ago
8 0

Answer:

Explanation:

answer

guajiro [1.7K]2 years ago
7 0
The answer is ..... obviously lol
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Alchemy is the process of trying to turn non-gold metals into gold. It was practiced hundreds of years ago by scientists who bel
Ber [7]

Answer:

Alchemy is a practice of making gold from other metals.

Explanation:

Alchemy is a method which is practiced by the ancient scientists of Europe, Africa and Asia trying to produced gold from other metals. This method was failed to produced gold from metals and all scientist suggested that metals can not be converted into gold. Greeks were the people who presented the theory of alchemy in the first few centuries of CE.

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3 years ago
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6. How are Fisher projections used to represent three-dimensional perspective?
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Answer:lol study more

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2 years ago
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Rank the ions in each set in order of decreasing size, and explain your ranking:
Valentin [98]

Answer:

a) Se²⁻> S²⁻ > O²

b) Te²⁻ > I- >Cs+

c)  Cs+ > Ba²⁺ > Sr²⁺

Explanation:

(a) Se²⁻, S²⁻, O²⁻

In general, ionic radius decreases with increasing positive charge.

As the charge on the ion becomes more positive, there are fewer electrons.

The ion has a smaller radius. In general, ionic radius increases with increasing negative charge.

For ions of the same charge (e.g. in the same group) the size increases as we go down a group in the periodic table

Se²⁻> S²⁻ > O²

(b) Te²⁻, Cs⁺, I⁻

Te²⁻ > I- >Cs+

Te2- hast the biggest size, because of the double negative charge.

Cs+ has the smallest size since it has the most positive charge, compared to Te2- and I-.

(c) Sr²⁺, Ba²⁺, Cs⁺

Cs+ > Ba²⁺ > Sr²⁺

Cs+ has the biggest size, because its more downward (compared to Sr2+) and more to the left (compared) ot Ba2+.

Sr2+ has the smallest size because it's more upwords (compared to Cs+ and Ba2+)

5 0
3 years ago
Which temperature is required for the cell potential to be the standard cell potential?
In-s [12.5K]
25° C is the temperature required for the cell potential to be the standard cell potential
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3 years ago
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Given the reaction below: N2O4 (g) ⇌ 2 NO2 (g)
Serjik [45]
N₂O₄ (g) ⇌ 2 NO₂ (g)

Kc = [ NO₂ ]² / [ N₂O₄ ]

4.2 =  [ 0.785 ] [ N₂O₄ ]

[ N₂O₄ ] = 4.2 / 0.785

[N₂O₄ ] = 5.350 M

hope this helps!

7 0
3 years ago
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