How many molecules of CO2 are contained in a 10.0 L tank at 7.53 bar and 485 K?

A) 1.89 × 1024 molecules B) 1.12 × 1024 molecules C) 8.32 × 1024 molecules D) 4.89 × 1024 molecules E) 3.63 × 1024 molecules A) 1.89 × 1024 molecules B) 1.12 × 1024 molecules C) 8.32 × 1024 molecules D) 4.89 × 1024 molecules E) 3.63 × 1024 molecules

Determine the volume of SO2 (at STP)formed from the reaction of 96.7 g of FeS2 and 55.0 L of O2 (at 398 K and 1.20 bar).The molar mass of FeS2 is 119.99 g mol-1. 4FeS2(s)+ 11O2(g)→ 2Fe2O3(s)+ 8SO2(g)

A) 36.1 L B) 45.3 L C) 18.1 L D) 27.6 L E) 32.5 L A) 36.1 L B) 45.3 L C) 18.1 L D) 27.6 L E) 32.5 L

When 14.0 g of zinc metal reacts with excess HCl,how many litres of H2 gas are produced at STP? \[\mathrm { Zn } ( s ) + 2 \mathrm { HCl } ( a q ) \rightarrow \mathrm { ZnCl } _ { 2 } ( a q ) + \mathrm { H } _ { 2 } ( g )\]

A) 0.208 L B) 0.416 L C) 4.86 L D) 9.60 L A) 0.208 L B) 0.416 L C) 4.86 L D) 9.60 L

What mass of NO2 is contained in a 13.0 L tank at 4.58 bar and 385 K?

A) 18.8 g B) 53.1 g C) 24.4 g D) 85.6 g E) 69.2 g A) 18.8 g B) 53.1 g C) 24.4 g D) 85.6 g E) 69.2 g

How many molecules of N2 are in a 400.0 mL container at 1.0399 bar and 135 °C?

A) 7.01 × 1021 molecules B) 7.38 × 1021 molecules C) 2.12 × 1022 molecules D) 2.23 × 1022 molecules A) 7.01 × 1021 molecules B) 7.38 × 1021 molecules C) 2.12 × 1022 molecules D) 2.23 × 1022 molecules

What volume will 4.91 × 1022 atoms of Ne occupy at STP?

A) 1.10 L B) 2.00 L C) 2.24 L D) 3.11 L E) 1.85 L A) 1.10 L B) 2.00 L C) 2.24 L D) 3.11 L E) 1.85 L

Exam 5: Gases | Examlex

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A fixed amount of gas at 25.0 °C occupies a volume of 20.0 L when the pressure is 0.8386 bar.Use Charles's law to calculate the volume (L)the gas will occupy when the temperature is increased to $131 ^ { \circ } \mathrm { C }$ while maintaining the pressure at 0.8386 bar.

(Multiple Choice)

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Question 41

Define pressure.

(Short Answer)

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Question 42

How many molecules of CO₂ are contained in a 10.0 L tank at 7.53 bar and 485 K?

(Multiple Choice)

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Question 43

You have three cylinders containing O₂ gas at the same volume and pressure.Cylinder A is at -15 °C,cylinder B is at -5 °F,cylinder C is at 255 K.Which cylinder contains the largest mass of oxygen?

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Question 44

How many litres of oxygen are needed to exactly react with 19.8 g of methane at STP? CH₄(g)+ 2O₂(g)→ CO₂(g)+ 2H₂O(l)

(Multiple Choice)

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Question 45

Which of the following statements is TRUE?

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Question 46

Determine the volume of SO₂ (at STP)formed from the reaction of 96.7 g of FeS₂ and 55.0 L of O₂ (at 398 K and 1.20 bar).The molar mass of FeS₂ is 119.99 g mol^-1. 4FeS₂(s)+ 11O₂(g)→ 2Fe₂O₃(s)+ 8SO₂(g)

(Multiple Choice)

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Question 47

Calculate the temperature,in K,of 2.20 moles of gas occupying 3.50 L at 3.30 bar.

(Multiple Choice)

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Question 48

When 14.0 g of zinc metal reacts with excess HCl,how many litres of H₂ gas are produced at STP? $\mathrm { Zn } ( s ) + 2 \mathrm { HCl } ( a q ) \rightarrow \mathrm { ZnCl } _ { 2 } ( a q ) + \mathrm { H } _ { 2 } ( g )$

(Multiple Choice)

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Question 49

What mass of NO₂ is contained in a 13.0 L tank at 4.58 bar and 385 K?

(Multiple Choice)

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Question 50

If NO₂ and NH₃ are allowed to effuse through a porous membrane under identical conditions,the rate of effusion for NH₃ will be ________ times that of NO₂.

(Multiple Choice)

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Question 51

Using the graph below,determine the gas that has the lowest density at STP.

(Multiple Choice)

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Question 52

How many molecules of N₂ are in a 400.0 mL container at 1.0399 bar and 135 °C?

(Multiple Choice)

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Question 53

Explain what the term "mean free path" describes.How does it change with decreasing pressure?

(Essay)

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Question 54

What volume will 4.91 × 10²²atoms of Ne occupy at STP?

(Multiple Choice)

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Question 55

Identify the gas particle that travels the fastest.

(Multiple Choice)

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Question 56

Which of the following would have a density of 1.37 g L^-1 at 7.0 °C and 0.9967 bar?

(Multiple Choice)

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Question 57

An unknown gas has a root mean square velocity of 332 m s^-1 at 313 K.Identify the unknown gas.

(Multiple Choice)

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Question 58

A sample of 0.300 moles of nitrogen occupies 0.600 L.Under the same conditions,what number of moles occupies 1.200 L?

(Multiple Choice)

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Question 59

A 0.334 g sample of an unknown halogen occupies 109 mL at 398 K and 1.43 bar.What is the identity of the halogen?

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Question 60

Showing 41 - 60 of 146

Exam 5: Gases

A fixed amount of gas at 25.0 °C occupies a volume of 20.0 L when the pressure is 0.8386 bar.Use Charles's law to calculate the volume (L)the gas will occupy when the temperature is increased to 131∘C131 ^ { \circ } \mathrm { C }131∘C while maintaining the pressure at 0.8386 bar.

Define pressure.

How many molecules of CO2 are contained in a 10.0 L tank at 7.53 bar and 485 K?

You have three cylinders containing O2 gas at the same volume and pressure.Cylinder A is at -15 °C,cylinder B is at -5 °F,cylinder C is at 255 K.Which cylinder contains the largest mass of oxygen?

How many litres of oxygen are needed to exactly react with 19.8 g of methane at STP? CH4(g)+ 2O2(g)→ CO2(g)+ 2H2O(l)

Which of the following statements is TRUE?

Determine the volume of SO2 (at STP)formed from the reaction of 96.7 g of FeS2 and 55.0 L of O2 (at 398 K and 1.20 bar).The molar mass of FeS2 is 119.99 g mol-1. 4FeS2(s)+ 11O2(g)→ 2Fe2O3(s)+ 8SO2(g)

Calculate the temperature,in K,of 2.20 moles of gas occupying 3.50 L at 3.30 bar.

When 14.0 g of zinc metal reacts with excess HCl,how many litres of H2 gas are produced at STP? Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)\mathrm { Zn } ( s ) + 2 \mathrm { HCl } ( a q ) \rightarrow \mathrm { ZnCl } _ { 2 } ( a q ) + \mathrm { H } _ { 2 } ( g )Zn(s)+2HCl(aq)→ZnCl2​(aq)+H2​(g)

What mass of NO2 is contained in a 13.0 L tank at 4.58 bar and 385 K?

If NO2 and NH3 are allowed to effuse through a porous membrane under identical conditions,the rate of effusion for NH3 will be ________ times that of NO2.

Using the graph below,determine the gas that has the lowest density at STP.

How many molecules of N2 are in a 400.0 mL container at 1.0399 bar and 135 °C?

Explain what the term "mean free path" describes.How does it change with decreasing pressure?

What volume will 4.91 × 1022 atoms of Ne occupy at STP?

Identify the gas particle that travels the fastest.

Which of the following would have a density of 1.37 g L-1 at 7.0 °C and 0.9967 bar?

An unknown gas has a root mean square velocity of 332 m s-1 at 313 K.Identify the unknown gas.

A sample of 0.300 moles of nitrogen occupies 0.600 L.Under the same conditions,what number of moles occupies 1.200 L?

A 0.334 g sample of an unknown halogen occupies 109 mL at 398 K and 1.43 bar.What is the identity of the halogen?

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A fixed amount of gas at 25.0 °C occupies a volume of 20.0 L when the pressure is 0.8386 bar.Use Charles's law to calculate the volume (L)the gas will occupy when the temperature is increased to $131 ^ { \circ } \mathrm { C }$ while maintaining the pressure at 0.8386 bar.

How many molecules of CO₂ are contained in a 10.0 L tank at 7.53 bar and 485 K?

You have three cylinders containing O₂ gas at the same volume and pressure.Cylinder A is at -15 °C,cylinder B is at -5 °F,cylinder C is at 255 K.Which cylinder contains the largest mass of oxygen?

How many litres of oxygen are needed to exactly react with 19.8 g of methane at STP? CH₄(g)+ 2O₂(g)→ CO₂(g)+ 2H₂O(l)

Determine the volume of SO₂ (at STP)formed from the reaction of 96.7 g of FeS₂ and 55.0 L of O₂ (at 398 K and 1.20 bar).The molar mass of FeS₂ is 119.99 g mol^-1. 4FeS₂(s)+ 11O₂(g)→ 2Fe₂O₃(s)+ 8SO₂(g)

When 14.0 g of zinc metal reacts with excess HCl,how many litres of H₂ gas are produced at STP? $\mathrm { Zn } ( s ) + 2 \mathrm { HCl } ( a q ) \rightarrow \mathrm { ZnCl } _ { 2 } ( a q ) + \mathrm { H } _ { 2 } ( g )$

What mass of NO₂ is contained in a 13.0 L tank at 4.58 bar and 385 K?

If NO₂ and NH₃ are allowed to effuse through a porous membrane under identical conditions,the rate of effusion for NH₃ will be ________ times that of NO₂.

How many molecules of N₂ are in a 400.0 mL container at 1.0399 bar and 135 °C?

What volume will 4.91 × 10²²atoms of Ne occupy at STP?

Which of the following would have a density of 1.37 g L^-1 at 7.0 °C and 0.9967 bar?

An unknown gas has a root mean square velocity of 332 m s^-1 at 313 K.Identify the unknown gas.