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4 years ago

8

Which substance is completely consumed in a chemical reaction?

1 answer:

Naily [24]4 years ago

4 0

Answer:

limiting Reactant

Explanation:

In a chemical reaction, the limiting reagent, or limiting reactant, is the substance that has been completely consumed when the chemical reaction is complete.

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What is the correct name for the process in which the vapor turns back into a liquid

Ad libitum [116K]

Condensation<span>.

</span><span>Think of the water cycle in terms of raining/other forms of precipitation. Water condenses - or turns back into liquid from water vapor - to form into clouds.</span>

6 0

4 years ago

anzhelika [568]

A double bond consists of one sigma bond and one pi bond.

Therefore Option C is the correct answer.

<h3>What is a Double Bond ?</h3>

A bond in which 4 electrons are shared between a [pair of atoms is called a double bond , higher amount of energy is required to break a double bond.

A double bond consists of one sigma bond and one pi bond.

Therefore Option C is the correct answer.

To know more about Double Bond

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4 0

2 years ago

A neutralization reaction between an acid and a base will yield:

Yakvenalex [24]

Acid + base ------> salt + water

6 0

4 years ago

Read 2 more answers

What is the empirical formula? A compound is used to treat iron deficiency in people. It contains 36.76% iron, 21.11% sulfur, an

Mandarinka [93]

Answer: The empirical formula of the compound is $Fe_1S_1O_4$

Explanation:

Empirical formula is defined formula which is simplest integer ratio of number of atoms of different elements present in the compound.

Percentage of iron in a compound = 36.76 %

Percentage of sulfur in a compound = 21.11 %

Percentage of oxygen in a compound = 42.13 %

Consider in 100 g of the compound:

Mass of iron in 100 g of compound = 36.76 g

Mass of iron in 100 g of compound = 21.11 g

Mass of iron in 100 g of compound = 42.13 g

Now calculate the number of moles each element:

Moles of iron= $\frac{36.76 g}{55.84 g/mol}=0.658 mol$

Moles of sulfur= $\frac{21.11 g}{32.06 g/mol}=0.658 mol$

Moles of oxygen= $\frac{42.13 g}{16 g/mol}=2.633 mol$

Divide the moles of each element by the smallest number of moles to calculated the ratio of the elements to each other

For Iron element = $\frac{0.658 mol}{0.658 mol}=1$

For sulfur element = $\frac{0.658 mol}{0.658 mol}=1$

For oxygen element = $\frac{2.633 mol}{0.658 mol}=4.001\approx 4$

So, the empirical formula of the compound is $Fe_1S_1O_4$

4 0

3 years ago

Read 2 more answers

How many moles of alumminum os needed to react woth 6.34 moles of fe3o4 in thereaction below? 8al + 3fe3o4_ 4al2o3 +9 fe

Alecsey [184]

The moles of Al that is needed to react with 6.34 moles of Fe3O4 is 16.9 moles

<u><em> Explanation</em></u>

<em> </em>8 Al+ 3Fe3O4 → 4 Al2O3 + 9Fe

use of mole ratio of Al: fe3O4 to calculate the moles of Al

The mole ratio of Fe3O4 : Al is 8:3 therefore the moles of Al =

6.34 moles x8/3 = 16.9 moles

7 0

3 years ago