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ExtremeBDS [4]
3 years ago
15

What is a combination of two or more substances that are all solids

Chemistry
1 answer:
Sophie [7]3 years ago
7 0

Answer:

Solids cant react to each other because they are the same room temperature

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A 2.00 L flask is filled with propane gas (C3H8) at a pressure of 1.10 atm and a temperature of 258 K. What is the mass of propa
pychu [463]

Answer:

m = 4.58 g.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to realize this problem is solved via the ideal gas equation:

PV=nRT

As we can calculate the moles of propane given the pressure, temperature and volume as shown below:

n=\frac{PV}{RT} \\\\n=\frac{1.10atm*2.00L}{0.08206\frac{atm*L}{mol*K}*258K} \\\\n=0.104mol

Finally, since the molar mass of propane is 44.1 g/mol, we calculate the mass by following the shown below mole-mass conversion factor:

m=0.104mol*\frac{44.1g}{1mol}\\\\m= 4.58g

Regards!

3 0
2 years ago
Which best describes how food availability affects the carrying capacity of an area
qwelly [4]
If you don’t have food available that’s the less people you’ll have in that environment, no ones going to wanna stay somewhere where they can’t keep themselves fed.
6 0
3 years ago
Which elements properties form the basis for all life
STatiana [176]

Answer:The properties of carbon forms the basis for all life. Explanation: The atoms of carbon are found in the molecules of all living species.Apr 8, 2018

7 0
3 years ago
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Describe how this instrument works.<br><br> Operation:
guapka [62]

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Microscope

Explanation:

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2 years ago
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Can y’all help me with this question How many atoms are found in the chemical formula below Al2( SiO3)2
Arte-miy333 [17]

Answer:

the answer is 10

Explanation:

Al2 is 2 atoms by itself

(SiO3)2 is 8 because Si is a single atom and O3 is 3 oxygen atoms but because of the subscript outside of the parentheses it doubles and becomes 2 and 6 respectively

7 0
2 years ago
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