3 years ago

Classify the same processes as exothermic or endothermic.

Chemistry

2 answers:

Inessa [10]3 years ago

8 0

Answer:

1.endothermic

2.exothermic

3.exothermic

RSB [31]3 years ago

5 0

Answer:

1. Endothermic

2. Exothermic

3. Exothermic

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An electron:

Korvikt [17]

It has a negative charge emits energy when it moves to a lower energy orbit from an excited state and it has the same mass as a proton

4 0

3 years ago

In this reaction: Mg (s) + I₂ (s) → MgI₂ (s) If 2.68 moles of Mg react with 3.56 moles of I₂, and 1.76 moles of MgI₂ form, what

melomori [17]

Answer:

$Y=65.7\%$

Explanation:

Hello,

In this case, for the given chemical reaction, we first identify the limiting reactant by noticing that due to the 1:1 mole ratio for magnesium to iodine the reacting moles must the same, nevertheless, there are only 2.68 moles of magnesium versus 3.56 moles of iodine, for that reason, magnesium is the limiting reactant, so the theoretical turns out:

$n_{MgI_2}^{theoretical}=2.68molMg*\frac{1molMgI_2}{1molMg} =2.68molMgI_2$