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fenix001 [56]
2 years ago
13

Formulate a hypothesis based on something recently observed.

Chemistry
1 answer:
lara [203]2 years ago
3 0

Answer:

If garlic repels fleas, then a dog that is given garlic every day will not get fleas. Bacterial growth may be affected by moisture levels in the air. If sugar causes cavities, then people who eat a lot of candy may be more prone to cavities.

Explanation:

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Mg + 2AgNO3 -> 2Ag + Mg(NO3)2
9966 [12]

Answer:

Explanation:

We'll assume there is an excess of silver nitrate, so that all 12.0 moles of the magnesium (Mg) will react.

The balanced equation tells us we'll obtain 2 moles of Ag for every 1 mole of magnesium, for a molar ratio of 2/1.

Starting with 12.00 moles Mg, we would therefore hope to find twice that, or 24.00 moles of Ag.

To convert to grams, find the molar mass of Ag from the periodic table.

Ag has a molar mass of 107.9 (to 4 sig figs) grams/mole.

(24.00 moles)*(107.9 grams/mole) = 2590 grams (4 sig figs)

Hands off, it's mine.

5 0
1 year ago
Balancing oxidation-reduction reactions <br> Mg+ N2—&gt;Mg3N2
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Answer:

{ \sf{3Mg_{(s)} + N_{2(g)} →Mg _{3}N_{2(s)}}}

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2 years ago
Which color of visible light has the longest wavelength and explain?​
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red because of how reflective and hydrogen

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