2 years ago

Identify the substances that are likely to dissociate in water. Check all that apply

Chemistry

1 answer:

almond37 [142]2 years ago

8 0

The hydroxide give it away

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Consider the chemical equilibrium of the reaction. NH4OH(aq) mc014-1.jpg NH4+(aq) + OHmc014-2.jpg(aq) What will happen to the ch

Bingel [31]

The chemical equilibrium will shift to the left.
Since NH4+ ions are a product of the original reaction, increasing their concentration will shift the equilibrium toward the reactants.

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2 years ago

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How does ice float on water?<br><br> Why does solid ice float on liquid water?

kifflom [539]

Answer:

Because there is trapped air inside the cube of ice

Explanation:

when water freezes it has water molecules and air molecules and as it freezes they move slower and slower until it freezes and they become stuck

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3 years ago

1. Calculate how many moles of glycine are in a 130.0-g sample of glycine.2. Calculate the percent nitrogen by mass in glycine.

Alexxx [7]

Answer:

$n=1.732mol$

$\% N=18.7\%$

Explanation:

Hello!

In this case, since the molecular formula of glycine is C₂H₅NO₂, we realize that the molar mass is 75.07 g/mol; thus, the moles in 130.0 g of glycine are:

$n=130.0g*\frac{1mol}{75.07 g}\\\\ n=1.732mol$