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4 years ago

What different physical property allows the distillation method to work?

1 answer:

7 0

Distillation is a widely used method for separating mixtures based on differences in the conditions required to change the phase of components of the mixture. To separate a mixture of liquids, the liquid can be heated to force components, which have different boiling points , into the gas phase .

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Question10 of 10Iron reacts with hydrochloric acid to produce iron(II) chloride and hydrogen gas.Fe + 2 HCl --> FeCl2 + H2How

Agata [3.3K]

Answer: The number of moles of HCl that will react with given amount of Fe is 9.2 moles.

Explanation:

We are given:

Moles of iron = 4.6 moles

For the given chemical reaction:

$Fe+2HCl\rightarrow FeCl_2+H_2$

By Stoichiometry of the reaction:

1 mole of iron reacts with 2 moles of hydrochloric acid.

So, 4.6 moles of iron will react with = $\frac{2}{1}\times 4.6=9.2mol$ of hydrochloric acid.

Hence, the number of moles of HCl that will react with given amount of Fe is 9.2 moles.

8 0

4 years ago

Why is soaking necessary for seed germination

lora16 [44]

Answer:

Explanation:

well it needs water like us to stay alive

4 0

3 years ago

Where are the instructions that tell the cell everything it needs to survive?

enyata [817]

Answer:

Nucleolus

Explanation:

It holds the DNA

3 0

4 years ago

In the important industrial process for producing ammonia (the Haber Process), the overall reaction is:

irina [24]

Answer:

- 50.2 kJ

Explanation:

From the data given, the heat released per 2.0 moles of NH₃ is - 100.4 kJ.

The negative sign means that the reaction is exothermic and the energy is released.

So, the ΔH in kJ of heat released per mole of NH₃ formed is (100.4 kJ/2) = - 50.2 kJ.

4 0

3 years ago

Which is the top layer of groundwater?

Ivanshal [37]

Answer:

An aquifer is a layer of porous substrate that contains and transmits groundwater. ... The upper level of this saturated layer of an unconfined aquifer is called the water table or phreatic surface. Below the water table, where in general all pore spaces are saturated with water, is the phreatic zone.

4 0

3 years ago

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