7. Gases
Standard Temperature and Pressure
7. Gases
Standard Temperature and Pressure - Video Tutorials & Practice Problems
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Get a 10 bullets summary of the topicIn order to accurately study the effect that changes in pressure, temperature and moles have on volume, chemists will often run their experiments under Standard Temperature and Pressure.
Stand Temperature and Pressure (STP)
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concept
Standard Temperature and Pressure
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example
Standard Temperature and Pressure Example 1
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Standard Temperature and Pressure
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Standard Temperature and Pressure Example 2
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Problem
ProblemA sample of dichloromethane gas (CH2Cl2) occupies 32.6 L at 310 K and 5.30 atm. Determine its volume at STP?
A
145 L
B
150 L
C
320 L
D
350 L
E
390 L
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Problem
ProblemWhich gas sample has the greatest volume at STP?
A
10.0 g He
B
10.0 g Ne
C
10.0 g N
D
All have the same volume
7
Problem
ProblemNitrogen and hydrogen combine to form ammonia via the following reaction:
1 N2 (s) + 3 H2 (g) → 2 NH3 (g)
What mass of nitrogen is required to completely react with 800.0 mL H2 at STP?
A
0.333 g
B
0.512 g
C
0.802 g
D
1.01 g
E
1.36 g
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PRACTICE PROBLEMS AND ACTIVITIES (40)
- Propane gas 1C3H82 is often used as fuel in rural areas. How many liters of CO2 are formed at STP by the compl...
- At standard temperature and pressure, the molar volumes of Cl2 and NH3 gases are 22.06 and 22.40 L, respective...
- At standard temperature and pressure, the molar volumes of Cl2 and NH3 gases are 22.06 and 22.40 L, respective...
- (b) What is the molar volume of an ideal gas at STP?
- Chlorine is widely used to purify municipal water supplies and to treat swimming pool waters. Suppose that th...
- Many gases are shipped in high-pressure containers. Consider a steel tank whose volume is 210.0 L that contain...
- The surface temperature of Venus is about 1050 K, and the pressure is about 75 Earth atmospheres. Assuming tha...
- Which sample contains more molecules: 1.00 L of O2 at STP, 1.00 L of air at STP, or 1.00 L of H2 at STP?
- A compressed air tank carried by scuba divers has a volume of 8.0 L and a pressure of 140 atm at 20 °C. What ...
- Use the molar volume of a gas at STP to determine the volume (in L) occupied by 33.6 g of neon at STP.
- Use the molar volume of a gas at STP to calculate the density (in g>L) of nitrogen gas at STP.
- Imagine that you have two identical flasks, one containing hydrogen at STP and the other containing oxygen at...
- One mole of an ideal gas has a volume of 22.414 L at STP. Assuming ideal behavior, what are the densities of ...
- What are the molecular weights of the gases with the following densities: (a) 1.342 g/L at STP
- Titanium(III) chloride, a substance used in catalysts for preparing polyethylene, is made by high-temperature...
- Automobile air bags inflate following a serious impact. The impact triggers the chemical reaction: 2 NaN3(s)¡2...
- Lithium reacts with nitrogen gas according to the reaction: 6 Li(s) + N2( g)¡2 Li3N(s) What mass of lithium (i...
- Hydrogen gas (a potential future fuel) can be formed by the reaction of methane with water according to the eq...
- Suppose you have two 1-L flasks, one containing N2 at STP, the other containing CH4 at STP. How do these syst...
- Suppose you have two 1-L flasks, one containing N2 at STP, the other containing CH4 at STP. How do these syste...
- A gaseous hydrogen- and carbon-containing compound is decomposed and found to contain 85.63% C and 14.37% H by...
- Consider the reaction: 2 SO2( g) + O2( g)¡2 SO3( g) a. If 285.5 mL of SO2 reacts with 158.9 mL of O2 (both mea...
- The Earth's atmosphere has a mass of approximately 5.15 * 1015 kg. If the average molar mass of air is 28.8 g...
- An herbicide is found to contain only C, H, N, and Cl. The complete combustion of a 100.0-mg sample of the h...
- Isooctane, C8H18, is the component of gasoline from which the term octane rating derives. (d) How many moles...
- Approximately how many moles of Kr+ are contained in the laser tube at 0°C and 1 atm?
- What is the density of xe gas at stp
- Use the molar volume of a gas at STP to calculate the density (in g/l) of nitrogen gas at STP.
- At STP, what is the volume occupied by 33.5 g of argon gas?
- What is the volume of 3.5 moles of oxygen gas (O2) at standard temperature and pressure (STP)?
- Which statement is true at STP? (The atomic mass of Zn is 65.39 u.)
- Which gas occupies the highest volume at STP? 0.02 mol of O20.1 mol of Cl21 mol of N22 mol of H2
- What is the volume occupied by 51.0 g of ammonia (NH3) gas at STP?
- 2.00 g of an unknown gas at stp fills a 500 mL flask. What is the molar mass of the gas?
- What is the mass (in grams) of 10.00 L of propane vapor (C3H8) at STP?
- What volume, in liters, does 128 grams of O2 occupy at STP?
- What volume, in liters, does 128 grams of O2 occupy at STP?
- What is the mass of 3.45l of gaseous ammonia (NH3) at STP? Round to 3 significant figures.
- What is the volume of 1.2 moles of oxygen gas (O2) at standard temperature and pressure (STP)?
- What is the volume of 2 mol of chlorine gas at STP? 2.0 l 11.2 l 22.4 l 44.8 l