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Ierofanga [76]
3 years ago
10

Suppose you were dissolving a metal such as zinc with hydrochloric acid

Chemistry
1 answer:
Ivanshal [37]3 years ago
8 0
So are you asking h<span>ow would the particle size of the zinc affect the rate of its dissolution?
you must now that t</span><span>he bigger the particle the lesser the dissolution.
</span>The reaction rate will go as the total surface area, t<span>herefore, the smaller the particles the faster the reaction. </span>
<span>This relationship is NOT linear.</span>
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Why is calcium chloride (rock salt, CaCl2) more effective than sodium chloride (table salt, NaCl) at de-icing roads in the winte
Tema [17]

Answer:

The correct option is;

D. Calcium chloride breaks into 3 ions, while sodium chloride only breaks into 2 ions

Explanation:

To help melt the ice on icy streets, calcium chloride (CaCl₂) is a more preferred salt type to sodium chloride (NaCl) as when it dissociates into ions in the ice, it forms three ions: a calcium ion, Ca²⁺, and two chloride ions, 2 Cl⁻, while sodium chloride forms two ions: one sodium ion, Na⁺, and one chloride ion, Cl⁻

According to the freezing point depression equation, we have;

ΔT = K_f × m × i

Where;

ΔT = Change in freezing point temperature

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m = The solution's molality

i = van't Hoff factor

The calcium chloride salt will cause the most depression because the van't Hoff factor is 3 for calcium chloride and 2 for sodium chloride.

7 0
3 years ago
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If 6 mol of H, react, how many moles of ammonia will be produced?
PtichkaEL [24]

Moles of Ammonia produced : 4 moles

<h3>Further explanation</h3>

Given

6 mol of H₂

Required

moles of Ammonia

Solution

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In chemical equations, the reaction coefficient shows the mole ratio of the reacting compound (reactants and products)

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8 0
3 years ago
First correct will get brainliest, thank you!
Arlecino [84]

Answer:

well what's the question? we can't see it

3 0
3 years ago
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Surface heating mountains and terrains air masses that are forced to rise and cool and cold or warm weather fronts.
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prisoha [69]

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4 significant figures as zeros after decimal should not be counted

Explanation:

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6 0
3 years ago
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