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3 years ago

Geometry and polarity of SnCl2

1 answer:

6 0

Stannous Chloride, doesn't normally form molecules; two bonding pairs and one nonbonding pair on the dominant Sn; the bond angles are coarsely 109 degrees which is p2 hybridized. The molecule is considered polar because of the angular shape that it possess.

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What is the limiting reactant in a reaction where 10.0 mol of iron is treated with 12.0 mol of bromine? The product that forms i

hammer [34]

Answer: The limiting reagent in the reaction is bromine.

Explanation:

Limiting reagent is defined as the reagent which is completely consumed in the reaction and limits the formation of the product.

Excess reagent is defined as the reagent which is left behind after the completion of the reaction.

Given values:

Moles of iron = 10.0 moles

Moles of bromine = 12.0 moles

The chemical equation for the reaction of iron and bromine follows:

$2Fe+3Br_2\rightarrow 2FeBr_3$

By the stoichiometry of the reaction:

If 3 moles of bromine reacts with 2 moles of iron

So, 12.0 moles of bromine will react with = $\frac{2}{3}\times 12.0=8moles$ of iron

As the given amount of iron is more than the required amount. Thus, it is present in excess and is considered as an excess reagent.

Hence, bromine is considered a limiting reagent because it limits the formation of the product.

Thus, the limiting reagent in the reaction is bromine.

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2 years ago

Why is propionic acid soluble in water

omeli [17]

HSDB and the SRC Physical Properties database database reports that propionic acid has a water solubility of 1000 g/l at 25 °C. Ullmann and Knovel Solvents - A Properties Database reports that propionic acid is miscible in any ratio with water.

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3 years ago

The concentration of potassium is higher in red blood cells than in the surrounding blood plasma. This higher concentration is m

lana [24]

Answer:

active transport

Explanation:

Active transport -

It refers to the movement of the molecules from a region of lower concentration towards a region of higher concentration via a membrane , is referred to as active transport.

The process of active transport need to have some cellular energy .

Hence,

The concentration of potassium is maintained in the red blood cells via the process of active transport.

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3 years ago

Attracting electrons to form chemical bonds is called what

MAXImum [283]

Answer: Ionic bonding

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Identify the independent and dependent variables. Peter is conducting an experiment to see how much salt will dissolve in water

Vlad1618 [11]

Temperature is independent and the amount of salt dissolving in water is dependant. This is because the amount of salt dissolving depends on how low or high the water temperature is

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3 years ago