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9. A sample of a diatomic gas occupies a volume of 24.8 L at 25°C and...
5. If a sample of gas occupies 6.80 L at 325°C, what will its volume be...
5. If a sample of gas occupies 6.80 L at 325°C, what will its volume be at 25°C? 6. A gas at 155 kPa and 25°C has an initial volume of 1.00 L. What will the volume be at STP? 7. A sample of neon has a volume of 345 mL at 25°C and 90 kPa. Calculate moles. 8. What volume is occupied by 0.250 g CO, at 25°C and 80.5 kPa? 9. At 46°C and 89 kPa pressure, a...
3.A sample of a pure gas at 20 °C and 670 mm Hg occupies a volume...
3.A sample of a pure gas at 20 °C and 670 mm Hg occupies a volume of 562 cm3. How many moles of gas are in this sample? 4.An unknown compound contains only carbon and hydrogen. What is the volume (in L) of 1 mol of this gas at 100 °C and 760 mm Hg? 5.The same 1 mol sample of gas from the previous problem has a vapor density of 2.550 g/L. If the empirical formula of the compound...
7. A 4.37 gram sample of a certain diatomic gas occupies a volume of 3.00-L at...
7. A 4.37 gram sample of a certain diatomic gas occupies a volume of 3.00-L at 1.00 atm and a temperature of 45°C. Identify this gas. A) F2 B) N, C) H D) 02 E) ci,
1.0 g sample of a diatomic gas occupies a volume of 350 mL at 0.0*C and...
1.0 g sample of a diatomic gas occupies a volume of 350 mL at 0.0*C and 2.0 atm. Find the mass of one atom of the gas. A. 2.7 X 10^23g B. 2.7 X 10^20g C. 1.4 X 10^23g D. 1.4 X 10^20g
+ 'A sample of gas with a mass of 1.020 g occupies a volume of 762...
+ 'A sample of gas with a mass of 1.020 g occupies a volume of 762 ml atu C and 1. aun (air). What is the molar mass of the gas? (20 pts) If the unknown gas is composed of 0.815 g of carbon and the rest is hydrogen, what is its molecular formula?
8. A 3.54-gram sample of a certain diatomic gas occupies a volume of 3.30-L at 1.00...
8. A 3.54-gram sample of a certain diatomic gas occupies a volume of 3.30-L at 1.00 atm and a temperature of 45°C. Identify this gas. A) N B) O2 C) F2 D) HZ E) Ch
A sample of a gas at room temperature occupies a volume of 28.0 L at a...
A sample of a gas at room temperature occupies a volume of 28.0 L at a pressure of 372 torr. If the pressure changes to 1860 torr, with no change in the temperature or moles of gas, what is the new volume, V? Express your answer with the appropriate units. View Available Hint(s) V = Value Units Submit Part B If the volume of the original sample in Part A (P-372 torr. Vi - 28.0 L ) changes to 62.0...
A sample of hydrogen gas occupies a volume of 1.51 L at 21.5 C and 2.45...
A sample of hydrogen gas occupies a volume of 1.51 L at 21.5 C and 2.45 atm. What is the mass of hydrogen gas?
3. A 4.37-g sample of a certain diatomic gas occupies a volume of 3.00 L at 1.00 atm and a temperature of 45°C. Ide...
3. A 4.37-g sample of a certain diatomic gas occupies a volume of 3.00 L at 1.00 atm and a temperature of 45°C. Identify this gas. a. O2 b. F2 d. H2 e. N2 c. Cl2 4. When 7.0 g of helium and 14.0 g of argon were mixed in a flask the total pressure in the flask was found to be 712 atm. What is the partial pressure of helium in atm? a. 56 b. 593 c. 833 d....
A sample of nitrogen gas at 18.8 C and 74.5 torr occupies a volume of 16.8L....
A sample of nitrogen gas at 18.8 C and 74.5 torr occupies a volume of 16.8L. What will the gas pressure be if the volume is changed to 44.0 L and temp to 37.1 C? A. 26.7 torr B. 25.6 torr C. 30.2 torr D. 28.0 torr E. 56.7 torr
5. If a sample of gas occupies 6.80 L at 325°C, what will its volume be at 25°C? 6. A gas at 155 kPa and 25°C has an initial volume of 1.00 L. What will the volume be at STP? 7. A sample of neon has a volume of 345 mL at 25°C and 90 kPa. Calculate moles. 8. What volume is occupied by 0.250 g CO, at 25°C and 80.5 kPa? 9. At 46°C and 89 kPa pressure, a...
7. A 4.37 gram sample of a certain diatomic gas occupies a volume of 3.00-L at 1.00 atm and a temperature of 45°C. Identify this gas. A) F2 B) N, C) H D) 02 E) ci,
+ 'A sample of gas with a mass of 1.020 g occupies a volume of 762 ml atu C and 1. aun (air). What is the molar mass of the gas? (20 pts) If the unknown gas is composed of 0.815 g of carbon and the rest is hydrogen, what is its molecular formula?
8. A 3.54-gram sample of a certain diatomic gas occupies a volume of 3.30-L at 1.00 atm and a temperature of 45°C. Identify this gas. A) N B) O2 C) F2 D) HZ E) Ch
A sample of a gas at room temperature occupies a volume of 28.0 L at a pressure of 372 torr. If the pressure changes to 1860 torr, with no change in the temperature or moles of gas, what is the new volume, V? Express your answer with the appropriate units. View Available Hint(s) V = Value Units Submit Part B If the volume of the original sample in Part A (P-372 torr. Vi - 28.0 L ) changes to 62.0...
3. A 4.37-g sample of a certain diatomic gas occupies a volume of 3.00 L at 1.00 atm and a temperature of 45°C. Identify this gas. a. O2 b. F2 d. H2 e. N2 c. Cl2 4. When 7.0 g of helium and 14.0 g of argon were mixed in a flask the total pressure in the flask was found to be 712 atm. What is the partial pressure of helium in atm? a. 56 b. 593 c. 833 d....
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