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tangare [24]
3 years ago
15

URGENTTTTT What is the correct formula when Al+3 combines with CrO4-2

Chemistry
1 answer:
PIT_PIT [208]3 years ago
8 0
A and C are incorrect because they are not complete transfer of valence electrons. Ionic bonds best to form a neutral molecule
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Predict the precipitate produced by mixing an Al(NO3)3 solution with a NaOH solution. Write the net ionic equation for the react
weqwewe [10]
Al(NO3)3(aq) + 3NaOH(s) --> Al(OH)3 (s) + 3NaNO3 (aq)

The precipitate here is Al(OH)3 (s), since the solid reactant is the precipitate in the aqueous solution. Usually, it is okay to assume in basic chemistry that the transition metal is going to be part of the compound that is the precipitate, especially in an acidic salt and a strong base reaction that we have here.
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When a bullet is fired from a gun what is true about the momentum
Eduardwww [97]

Before the bullet is fired the momentum is Zero because nothing is moving but once the bullet is shot the momentum increases because of the movement of the bullet moving forward.

8 0
3 years ago
A loaf bread has a mass of 500 g and volume of 12.0 cm3. what is the density of the bread
pychu [463]
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5 0
3 years ago
Help me with 4,5 plz
Helen [10]
The answer to 4 is A.                                              
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7 0
3 years ago
If the half-life of a radionulide is 1 month, what percent remains after 4 months?
Aliun [14]

Answer:

6.25% of the original amount

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