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Harrizon [31]
2 years ago
9

How can we use properties to identify unknown minerals?

Chemistry
2 answers:
tiny-mole [99]2 years ago
8 0

Answer:

<em>NAMING THE MINERALS</em>

Explanation:

Anni [7]2 years ago
6 0

Answer:

BY NAMING THE MINERALS :>

Explanation:

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g A high altitude balloon is filled with 1.41 x 104 L of hydrogen gas (H2) at a temperature of 21oC and a pressure of 745 torr.
Tamiku [17]

Answer:

1.27 × 10⁵ L

Explanation:

Step 1: Given data

  • Initial pressure (P₁): 745 Torr
  • Initial volume (V₁): 1.41 × 10⁴ L
  • Inital temperature (T₁): 21 °C
  • Final pressure (P₂): 63.1 Torr
  • Final volume (V₂): ?
  • Final temperature (T₂): -48 °C

Step 2: Convert the temperatures to the Kelvin scale

We will use the following expression.

K = °C + 273.15

K = 21 °C + 273.15 = 294 K

K = -48 °C + 273.15 = 225 K

Step 3: Calculate the final volume of the balloon

We will use the combined gas law.

P₁ × V₁ / T₁ = P₂ × V₂ / T₂

V₂ = P₁ × V₁ × T₂/ T₁ × P₂

V₂ = 745 Torr × 1.41 × 10⁴ L × 225 K/ 294 K × 63.1 Torr

V₂ = 1.27 × 10⁵ L

6 0
2 years ago
How many grams are there in a 14.5 moles lithium permanganate
frutty [35]

There are 1825.6 g in a 14.5 moles Lithium permanganate

<h3> Further explanation</h3>

The mole is the number of particles(molecules, atoms, ions) contained in a substance  

1 mol = 6.02.10²³ particles

Can be formulated

N=n x No

N = number of particles

n = mol

No = Avogadro's = 6.02.10²³

Moles can also be determined from the amount of substance mass and its molar mass :

\tt mol=\dfrac{mass}{MW}

moles of Lithium permanganate = 14.5

Lithium permanganate (LiMnO4) MW=125.9 g/mol, so mass :

\tt mass=mol\times MW\\\\mass=14.5\times 125.9~g/mol\\\\mass=1825.6~g

5 0
3 years ago
A balloon at 32 °C is filled with 21 L of air. What would its volume be at a temperature of 52 °C, assuming pressure remains con
I am Lyosha [343]

Answer:C). 24L

Explanation: it works

4 0
3 years ago
Which of the following is not a compound?<br>Cl<br>CO2<br>NaCl<br>HCl​
Ahat [919]
The one that is not a compound is Cl
5 0
3 years ago
Graciella divided her grapes equally among 6 friends. If each friend received 16 grapes how many grapes did Graciella have?
DIA [1.3K]

Answer: She had 96 grapes.

Explanation:

3 0
2 years ago
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