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muminat
3 years ago
6

Find the no of moles of ca in 8g of ca​

Chemistry
1 answer:
Tom [10]3 years ago
4 0

Answer:

Thus,there are 0.2 mole in 8 g of calcium.

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Which layer of the earth is the thinnest and thickest?
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Answer:

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Discuss with the whole class what the relative thicknesses of the layers are — that the inner core and outer core together form the thickest layer of the Earth and that the crust is by far the thinnest layer.

Explanation:

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3 years ago
What is the pressure of 1.50 moles of a gas in a 30.0L tank at a temperature of<br> 285K?
julia-pushkina [17]

The pressure of the gas : 1.1685 atm

<h3>Further explanation</h3>

In general, the gas equation can be written  

\large {\boxed {\bold {PV = nRT}}}

where  

P = pressure, atm  

V = volume, liter  

n = number of moles  

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T = temperature, Kelvin  

n=moles=1.5

V=volumes = 30 L

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The pressure :

\tt P=\dfrac{nRT}{V}\\\\n=\dfrac{1.5\times 0.082\times 285}{30}\\\\P=1.1685~atm

7 0
2 years ago
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3 years ago
A gas that produces a "pop" with a burning splint is carbon dioxide. true or false
Ksivusya [100]
False, a gas that produces a pop is hydrogen 
Hope this helped :)
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Hans observed properties of four different waves and recorded observations about each one in his chart.
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Answer/Explanation:

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2 years ago
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