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topjm [15]
3 years ago
9

Most of the elements on the Periodic Table are found in nature as

Chemistry
1 answer:
ale4655 [162]3 years ago
8 0
Compounds? I think that is the right answer because not many elements can be found in nature by themselves
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Is a stick of dynamite potential energetic or kinetic
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2 years ago
C. How many moles of gas are in a container with a volume of 9.55 mL at 35 °C and a pressure of 895 mmHg?
olya-2409 [2.1K]

Answer: There are 4.45\times 10^{-4}moles of gas are in a container with a volume of 9.55 mL at 35 °C and a pressure of 895 mmHg

Explanation:

According to ideal gas equation:

PV=nRT

P = pressure of gas = 895 mm Hg= 1.18 atm  (760 mm Hg= 1 atm)

V = Volume of gas = 9.55 ml = 0.00955 L   (1 L=1000ml)

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R = gas constant =0.0821Latm/Kmol

T =temperature =35^0C=(35+273)K=308K

n=\frac{PV}{RT}

n=\frac{1.18atm\times 0.00955L}{0.0821L atm/K mol\times 308K}=4.46\times 10^{-4}moles

Thus there are 4.45\times 10^{-4}moles of gas are in a container with a volume of 9.55 mL at 35 °C and a pressure of 895 mmHg

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3 years ago
PLEASE HELP QUICK! DUE TODAY!! WILL MARK BRAINLIEST, 5 STARS, AND THANK YOU!
Diano4ka-milaya [45]

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a

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