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Airida [17]
4 years ago
14

Which sample matter is a pure substance

Chemistry
1 answer:
elena-s [515]4 years ago
3 0

Answer:

Explanation:

If you have options, could you please tell me so I can further help you. If you just need an example then

Examples of pure substances include iron, steel, and water

Hope this helps (:

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An emulsifying agent is typically characterized by having ____. a. one polar end c. two polar ends b. one nonpolar end d. one po
tangare [24]

Answer:

An emulsifying agent is typically characterized by having <u><em>d. one polar end and one nonpolar end.</em></u>

Explanation:

Emulsifiers are substances that have the ability to bind, for example, fats with those substances that have mostly water in their conformation. In other words, the emulsifier facilitates mixtures of two or more immiscible liquid substances.

This is because the molecules of an emulsifier are often lipophilic (attract oil) at one end and hydrophilic (attract water) at the other. In other words it consists of a polar (hydrophilic) head group and a non-polar (hydrophobic) tail.

<u><em>An emulsifying agent is typically characterized by having d. one polar end and one nonpolar end.</em></u>

4 0
3 years ago
Calculate the number of grams of COOH 3 CH in the vinegar.
IRINA_888 [86]

If you are given the number of moles of sodium bicarbonate, use the balanced chemical equation. The molar mass of the acetic acid is 60 grams per mole. Using stochiometric balance.

 

Number of moles of acetic acid = 3 moles NaHCO3 (1 mol CH3COOH/1 mol NaHCO3) = 3 moles of acetic acid

Grams of acetic acid = 3 moles of CH3COOH (60 g CH3COOH/1 mol CH3COOH) = <span>180 grams of acetic acid</span>

4 0
3 years ago
Does anybody know the answer if so explain
a_sh-v [17]

Answer:

synthesis

Explanation:

I believe answer is d a synthesis reaction

5 0
3 years ago
As the vibration of molecules increases, the _____ of the substance increases.
ycow [4]
Answer is temperature
7 0
4 years ago
The reactant side of a balanced chemical equation is shown below.
Tresset [83]

<u>Answer:</u> There are 8 hydrogen atoms on the product side in the reaction.

<u>Explanation:</u>

Every balanced chemical equation follows law of conservation of mass.

This law states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form. This law also states that total number of individual atoms on the reactant side must be equal to the total number of individual atoms on the product side.

For the given reaction, the balance chemical equation follows:

PCl_5+4H_2O\rightarrow H_3PO_4+5HCl

<u>On reactant side:</u>

Number of Phosphorus atoms = 1

Number of Chlorine atoms = 5

Number of Hydrogen atoms = 8

Number of Oxygen atoms = 4

<u>On Product side:</u>

Number of Phosphorus atoms = 1

Number of Chlorine atoms = 5

Number of Hydrogen atoms = 8

Number of Oxygen atoms = 4

Hence, there are 8 hydrogen atoms on the product side in the reaction.

7 0
3 years ago
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