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iragen [17]
3 years ago
12

What is albert einstein's nationality?

Chemistry
2 answers:
murzikaleks [220]3 years ago
6 0

Answer:

mainly german

Explanation:

levacccp [35]3 years ago
4 0
German,Prussian,Weimar,American,Swiss
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A 13.5 g sample of an unknown gas occupies 5.10 L at 149.83 kPa and 301 K. What is the molar mass of the gas ?
alisha [4.7K]

Answer:

The molar mass of the gas is 44.19 g/mol

Explanation:

Amount of sample of gas = m = 13.5 g

Volume occupied by the gas = V = 5.10 L

Pressure of the gas = P = 149.83 KPa

1 KPa = 0.00986 atm

P = 149.83 \textrm{ KPa} \times 0.00986 \textrm{ atm/KPa} = 1.48 \textrm{ atm}

Assuming M g/mol to be the molar mass of the gas

Assuming the gas is behaving as an ideal gas

\textrm{PV} =\textrm{nRT} \\\textrm{PV} = \displaystyle \frac{m}{M}\textrm{ RT } \\1.48 \textrm{ atm}\times 5.10 \textrm{ L} = \displaystyle \frac{13.5 \textrm{ g}}{M}\times 0.0821 \textrm{ L.atm.mol}^{-1}.K^{-1}\times 301\textrm{K} \\M = 44.19 \textrm{ g/mol}

The molar mass of gas is 44.19 g/mol

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3 years ago
How many electrons are in a s-2 ion​
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EXPLAIN How would you explain the difference between single displacement and
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Convert 0.02 g/mL to the unit g/L.
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0,02 g/mL = 20 g/L

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