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12 Dec 2019

Which set of conditions reflect STP?
a) 25 C, 14.7 psi
b) 373 K, 760 torr
c) 298 K, 1 atm
d) 273 K, 1 atm
e) 273 K, 1 Pa

What volume of 12.0 M HCl is required to make 75.0 mL of 3.50MHCl?

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Jamar Ferry
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13 Dec 2019

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Related questions

A 500 mL gas sample is collected over water at a pressure of 740 mmHg and 25 degrees Celsius. What is the volume of the dry gas at STP? (STP=1atm and 0 degrees celsius). (Vapor pressure of H2O at 25 degrees C = 24mmHg). I know how to solve this problem using PV/T=PV/T, however the answer choices confuse me:

a. 500 x (740+24)/(760) x (298)/(273)

b. 500 x (740-24)/(760) x (273)/(298)

c. 500 x (760)/ (740-24) x (273)/(298)

d. 500 x (760)/ (740+24) x (298)/(273)


Need 45

Two moles of oxygen gas which can be regarded as ideal with Cp = 29.4 JK-1 Mol-1 (independent of temperature) are maintained at 273 K in a volume of 11.35 dm3. . If the system is heated reversibly to 373 K at constant pressure a). What is the final volume? b). How much work is done on the system? c). How much heat is supplied to the system? d). What is the increase in enthalpy? e). What is the increase in internal energy?

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