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boyakko [2]
2 years ago
12

The label on a bottle of shampoo lists many ingredients, such as water, sodium laureth sulfate, lauramide dea, sodium chloride,

etc. from this information, shampoo is best classified as
Chemistry
2 answers:
Otrada [13]2 years ago
8 0
The general term that we could label to the description is a mixture. A mixture is composed of different pure substances. If we want to be specific, we could classify it as homogeneous or heterogeneous mixture. Since the ingredients are not all soluble with each other, this is a <em>heterogeneous mixture</em>.
sveta [45]2 years ago
5 0

Answer:

Colloids

Explanation:

Colloids are heterogeneous mixtures that have at least two phases, one well-divided phase (solid, gaseous or liquid) called the dispersed phase and the continuous phase called the dispersion medium. These systems have particles generally smaller than 1000 nanometers (1 nanometer = 1 nm = 10⁻⁹m).

Simply by the human eye, colloids may <u>appear</u> to be homogeneous mixtures, but microscopically, their particles do not mix, constituting more than one phase(heterogeneous).

In addition to shampoo, there are other examples of colloids such as gelatin, fog and sour cream.

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Explain what happens to an ionic substance when it dissolves in water. Drag the terms on the left to the appropriate blanks on t
nignag [31]

Answer:

false

Explanation:

5 0
2 years ago
What are the 4 most abundant minerals in the continental crust? What percentage do these 4 makeup of the total?
Tanya [424]

Answer:

SiO_2, Al_2O_3, CaO, MgO

Explanation:

The four most abundant minerals in the continental crust are, SiO_2, Al_2O_3, CaO, MgO.

The percentages are

SiO_2=60.6\%

Al_2O_3=15.9\%

CaO=6.4\%

MgO=4.7\%

SiO_2 is called quartz

Al_2O_3 is called corundum

CaO is called calcium oxide or quick lime

MgO is called magnesium oxide or magnesia

5 0
2 years ago
The mass percent of oxygen in pure glucose, c6h12o6 is 53.3 percent. a chemist analyzes a sample of glucose that contains impuri
Dafna1 [17]
We can calculate the mass percent of an element by dividing its atomic mass by the mass of the compound and then multiply by 100:
     % by mass of element = (mass of element/mass of compound) x100%
Impurities like n-eicosane with the molecular formula C20H42 could account for the low percent by mass of oxygen in the sample because it has a zero percent oxygen based on its compound formula which indicates that it does not have the element oxygen.
7 0
2 years ago
A 32.5 g piece of aluminum (which has a specific heat capacity of 0.921 J/g°C) is heated to 82.4°C and dropped into a calorimete
N76 [4]

Answer:

The mass of water = 219.1 grams

Explanation:

Step 1: Data given

Mass of aluminium = 32.5 grams

specific heat capacity aluminium = 0.921 J/g°C

Temperature = 82.4 °C

Temperature of water = 22.3 °C

The final temperature = 24.2 °C

Step 2: Calculate the mass of water

Heat lost = heat gained

Qlost = -Qgained

Qaluminium = -Qwater

Q = m*c*ΔT

m(aluminium)*c(aluminium)*ΔT(aluminium) = -m(water)*c(water)*ΔT(water)

⇒with m(aluminium) = the mass of aluminium = 32.5 grams

⇒with c(aluminium) = the specific heat of aluminium = 0.921 J/g°C

⇒with ΔT(aluminium) = the change of temperature of aluminium = 24.2 °C - 82.4 °C =  -58.2 °C

⇒with m(water) = the mass of water = TO BE DETERMINED

⇒with c(water) = 4.184 J/g°C

⇒with ΔT(water) = the change of temperature of water = 24.2 °C - 22.3 °C = 1.9 °C

32.5 * 0.921 * -58.2 = -m * 4.184 * 1.9

-1742.1 = -7.95m

m = 219.1 grams

The mass of water = 219.1 grams

8 0
2 years ago
Make a quantitative and qualitative statement about the following:. water, carbon, iron, hydrogen gas, sucrose, table salt, merc
gladu [14]
The elements in this list are mercury, gold, iron, carbon and hydrogen. The compounds in this list, on the other hand, are sucrose, table salt, water and air. Elements are composed only of one substance while compounds are composed of two or more substances.
8 0
2 years ago
Read 2 more answers
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