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11Alexandr11 [23.1K]
3 years ago
12

Coffee is a solution of organic substances in water. is it a mixture or compound

Chemistry
2 answers:
german3 years ago
3 0
Coffee is a mixture because no new products are formed. This process is hence a physical reaction and thus, is a mixture.
Aloiza [94]3 years ago
3 0

Explanation:

A mixture is a substance that contains two or more components which are mixed together. In a mixture, components does not combine chemically with each other.

For example, coffee mixed in water is a mixture.

Whereas a compound is a substance in which two or more elements in similar composition are chemically combined to each other.

For example, HCl is a compound.

Thus, we can conclude that coffee is a solution of organic substances in water as is it a mixture.

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What type of temperature changes produce large crystals
vladimir1956 [14]
Warm temperatures will make crystals form quicker and larger
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Which of these metals would you expect to be found in nature as a deposit of relatively pure element?
lora16 [44]
1. Which of these metals would you expect to be found in nature as a deposit of relatively pure element? The Answer is: Lithium. And question 2 is: <span>Potassium - furthest away from lead in the reactivity series.</span>
7 0
3 years ago
Write a conversion factor that converts between moles of calcium ions in calcium phosphide, Ca3P2, and moles of Ca3P2.
cricket20 [7]

The conversion factor between moles of calcium ion and moles of Ca_3P_2 in  Ca_3P_2 would be 3 to 1.

<h3>Mole fraction</h3>

Ca_3P_2 if formed from 3 carbon atoms and 3 phosphate atoms according to the equation:

3Ca + 2P --- > Ca_3P_2

Thus, there are 3 moles of calcium in every 1 mole of  Ca_3P_2.

The conversion factor between moles of calcium and moles of  Ca_3P_2 will. therefore, be 3 to 1 or simply 3:1.

More on mole fractions can be found here: brainly.com/question/8076655

#SPJ1

6 0
2 years ago
Select the appropriate coefficient for O2 when the equation ? O2(g) + ? C5H12(g) → ? CO2(g) + ? H2O(g) is balanced using the sma
Kisachek [45]

Answer:

4O₂ (g) + 1/2C₅H₁₂ (g) →  5/2CO₂ (g)  +  3H₂O (g)

4 would be the smallest possible integer for O₂

Explanation:

The balanced equation is this one:

8O₂ (g) + C₅H₁₂ (g) →  5CO₂ (g)  +  6H₂O (g)

If we divide stoichiometry /2 (the half) we can consider that we use, the smallest possible integers.

8/2O₂ (g) + 1/2C₅H₁₂ (g) →  5/2CO₂ (g)  +  6/2H₂O (g)

4O₂ (g) + 1/2C₅H₁₂ (g) →  5/2CO₂ (g)  +  3H₂O (g)

3 0
3 years ago
Compare urban and rural land .how are each used?
Ksivusya [100]

Answer:

"Urban area is used for the buildings, industries etc, whereas the rural areas are used for cultivation, forest cover etc."

Explanation:

When we talk about the urban land they are mostly covered with buildings, industries, roads and apartments and also the municipal structures. But when we talk about the rural land it has less dense population with forest cover, agricultural lands, rangeland and also different land cover type. In the urban areas the population density is very high. Those areas that located in the outskirt of the town are the rural areas.

5 0
3 years ago
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