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A balloon is floating around outside your window. The temperature outside is -1 °C, and the air pressure is 0.800 atm. Your neighbor, who released the
balloon, tells you that he filled it with 5.00 moles of gas. What is the volume of gas inside this balloon?
Express your answer to three significant figures and include the appropriate units.
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HA
?
Vballoon
Value
Units
Submit
Part B
A 14.0 L gas cylinder is filled with 5.00 moles of gas. The tank is stored at 7 °C. What is the pressure in the tank?
Express your answer to three significant figures and include the appropriate units.
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A Balloon Is Floating Around Outside Your Window The Temperature Outside Is 1 C And The Air Pressure Is 0800 Atm Your Neighbor Who Released The Balloon Tells Yo class=

Sagot :

drpelezo

Answer:

140 L (3 sig-figs; includes the zero)*

Explanation:

PV = nRT => V = nRT/P

P = 0.800atm

V = ?

n = 5 moles

R =0.08206 L·atm/mol·K

T = -1°C = (-1 + 273)K = 272K

V = nRT/P = (5mol)(0.08206 L·atm/mol·K)(272K)/(0.800atm) = 139.5 L

*=> 140 Liters (3 sig-figs) => zero is a sig-fig b/c it was result of rounding 139.5 Liters to obtain 140 Liters.

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