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Nishant Kumar verified

Numerade educator

A flask contains equal masses of F2 and Cl2 with a total pressure of 2.69 atm at 298K. What is the partial pressure (in atm) of Cl2 in the flask? Round your answer up to 2 decimal places

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Ronald Prasad verified

Numerade educator

Consider 1.1 moles of an imaginary ideal gas (Floridium with a formula weight of 63.21 g/mol) at a density of 1.98 g/L and a pressure of 3.3 atm. What is the closest value to the temperature (in K) of this gas? Enter to 1 decimal place in K.

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Ronald Prasad verified

Numerade educator

When a 8.77 L flask containing 2.77 atm of gas A is joined with a 3.4 L flask containing 2.48 atm of gas B, and the stopcock between the flasks is opened, the gases mix at constant temperature. What is the total pressure in atm of gases in the now-joined flasks? (assume no reaction between the gases) Enter a number to 2 decimal places.

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David Collins verified

Numerade educator

When a 8.77 L flask containing 2.77 atm of gas A is joined with a 3.4 L flask containing 2.48 atm of gas B, and the stopcock between the flasks is opened, the gases mix at constant temperature. What is the total pressure in atm of gases in the now-joined flasks? (assume no reaction between the gases) Enter a number to 2 decimal places.

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David Collins verified

Numerade educator

Analysis of a volatile liquid showed that it is 68.2% carbon, 13.6% hydrogen, and 18.2% oxygen by mass. A separate 0.551 gram sample of its vapor occupied 90 mL at 77°C and 2.00 atm. What is the molecular formula for the compound? C2H4O C3H6O2 C6H12O4 C4H8O2 C5H12O

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Angela Williamson verified

Numerade educator

A sample of nitrogen gas at 87.1°C has a volume of 9.16 L. What is its volume (in L) when the temperature is decreased to -72°C and the pressure remains unchanged? (Enter 2 decimal places)

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Angela Williamson verified

Numerade educator

A sample of helium gas occupies 16 L at 62.6 °C and 125.7 kPa. Find its volume (in L) at STP. (Enter one decimal place)

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David Collins verified

Numerade educator

When a 9.63 L flask containing 2.55 atm of gas A is joined with a 3.1 L flask containing 1.96 atm of gas B, and the stopcock between the flasks is opened, the gases mix at constant temperature. What is the total pressure in atm of gases in the now-joined flasks? (assume no reaction between the gases) Enter a number to 2 decimal places.

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Ronald Prasad verified

Numerade educator

Consider the following reaction in a closed reaction flask. If 3.6 atm of gas A is allowed to react with 3.6 atm of gas B and the reaction goes to completion at constant temperature and volume, what is the total pressure (in atm) in the reaction flask at the end of the reaction? 2 A(g) + 3 B(g) ? A2B3(g) Round your answer to 2 decimal places.

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Ronald Prasad verified

Numerade educator

A 1.47 g sample of a gaseous oxide of nitrogen occupies a volume of 1.23 L at 35°C and 763 mmHg. What is the most likely formula for the gas? NO NO2 NO3 N2O N2O4

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