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Rus_ich [418]
3 years ago
15

Which of the following statements is true?

Chemistry
2 answers:
Zolol [24]3 years ago
8 0

The statement that is true among the following sentences is ‘Minerals can be elements or compounds’. Minerals cannot be liquid in form and they are not organic. Minerals are inorganic and present as solid in phase. When placed in water, they do not dissolve at all.

Gnoma [55]3 years ago
8 0

Answer:

D. Minerals can be elements or compounds

Explanation:

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Calculate the osmotic pressure of 20 m solution of <br> LiCl at 25C
Soloha48 [4]

Answer:

979 atm

Explanation:

To calculate the osmotic pressure, you need to use the following equation:

π = <em>i </em>MRT

In this equation,

-----> π = osmotic pressure (atm)

-----><em> i</em> = van't Hoff's factor (number of dissolved ions)

-----> M = Molarity (M)

-----> R = Ideal Gas constant (0.08206 L*atm/mol*K)

-----> T = temperature (K)

When LiCl dissolves, it dissociates into two ions (Li⁺ and Cl⁻). Therefore, van't Hoff's factor is 2. Before plugging the given values into the equation, you need to convert Celsius to Kelvin.

<em>i </em>= 2                             R = 0.08206 L*atm/mol*K

M = 20 M                    T = 25°C + 273.15 = 298.15 K

π = <em>i </em>MRT

π = (2)(20 M)(0.08206 L*atm/mol*K)(298.15 K)

π = 979 atm

5 0
2 years ago
He particles are mostly free of each other influence is solid , liquid , gas
Simora [160]

the most free particles are gases, then liquids, solids

4 0
3 years ago
How many moles are equal to 1.20 x 1024 atoms of sulfur?
kakasveta [241]
1.20x1,024=1228.8 this is your answer.
hope that this helps.
8 0
3 years ago
Read 2 more answers
One of the method used for the manufacturing of steel is the
Norma-Jean [14]
The answer is B. Centrifugation
7 0
2 years ago
What material could be used for a cup to keep coffee hot
nata0808 [166]

Answer:

Your answer could be: ceramic or stainless steel.

Explanation:

Glass, ceramic, and stainless steel are all good insulating materials for keeping coffee hot. Although, if you don't want to possibly burn yourself, don't use glass.

Have a great day/night! ^^

4 0
3 years ago
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