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QUESTION 1 What volume of CO2 can be obtained...
Question 7 (1 point) A sample of gaseous neon has a volume of 68.2 Lat STP....
Question 7 (1 point) A sample of gaseous neon has a volume of 68.2 Lat STP. How many moles of neon are in the sample? 0.328 moles 3.04 moles 68.2 moles 1530 moles 4.11 X 1025 moles Question 8 (1 point) The temperature of a gas at 1.00 atm and 8.00°C is increased to 20.0°C resulting in a change of pressure. Which equation would you use to calculate the new pressure? P: V1 = PzV2 OP/V1 = P2/V2 O P₂...
Need answers to 5 & 6 QUESTION 5 How many liters of CO2 at STP could...
Need answers to 5 & 6
QUESTION 5 How many liters of CO2 at STP could be produced from the reaction of 2.0 L of CH4 with 2.0 L of Oz (at STP)? O a.1O 6.2L 0 C 0.5L O d. 41 QUESTION 6 The pressure of a sample of gas at 25.0° C is 1.25 atm. What will be the new pressure if the gas is heated to 100.0°C? 5.00 atm O 0.131 atm 0.999 atm 1.56 atm
Need answers 13-16 QUESTION 13 1 points Save For a set amount of gas at constant...
Need answers 13-16
QUESTION 13 1 points Save For a set amount of gas at constant pressure, T1 = 35.9° C becomes T2 = 157.3°C With V1 = 87.2 ml, what is V2? O a. 121 mL 6.62.6 mL O C. 1.051 O d. 382 L QUESTION 14 1 points Save A What is the density of O2 gas at 37.0°C and 2.30 atm? a. 1.83 g/L 6.270.g/L O C 0.0195 g/l od. 2.89 g/L QUESTION 15 1 points Save...
Need help solving these last 7 questions. Please use the data above to calculate the answers. Molar Volume of a Gas Room...
Need help solving these last 7
questions. Please use the data above to calculate the answers.
Molar Volume of a Gas Room temperature (T2): Barometric pressure: C be & torr Tria .0544 Data Trial 2 Trial 1 Mass of Mg strip Temperature of water in the 600-mL beaker 8.1 torr 142 Vapor pressure of water at the temperature in the 600-mL beaker torr torr S6.4 A.1 Volume of gas collected at room temperature mL mL ,67as 0541 S04L Volume of...
Need answers 8-11 QUESTION 8 1 points Save Ans At 1.0 atm, an unknown pure gas...
Need answers 8-11
QUESTION 8 1 points Save Ans At 1.0 atm, an unknown pure gas leaks through a small opening in a sealed container at a rate 3.54 times slower than a sample of pure nitrogen gas. Which of the following formulas is likely to represent the formula of the unknown gas? O a. C4H10 b. NH3 Oc. UFG O d. SF5 QUESTION 9 1 points Save Answer Aluminum metal shavings (10.0 g) are placed in 100 mL of...
QUESTION 16 One mole of gas at STP will take up what volume of space? 100...
QUESTION 16 One mole of gas at STP will take up what volume of space? 100 L 1.0L 22.4L 100 mL QUESTION 17 Which of the following samples has the most molecules of gas? O 1.00 L of CH4 at STP 1.00 L of O2 at STP 1.00 L of N2 at STP 1.00 L of CO2 at STP All these would have the same number of molecules
are these answers correct? how to do question 5 2. Volume of vapour at STP calculations...
are
these answers correct? how to do question 5
2. Volume of vapour at STP calculations embeqxa 19s2o P-0905atm V, = 145.6 mL T = 90.0°0+273 . IS K V2-0-905)(45.6) 363.15 K 273 Te STP 213 K la de 363.IS o-987 P2o.987atm V2= /003.6ml /1 of c :lde =1.o03 L 3. Mass of vapour calculation Massot ratour= Mass of lask, caf and cemolensed liguid- Mass of flask and cat 92-754 8,-92.65%0g O.09 68 9 92.7586-92.6580 tob ot ajs:/1 =O./006gham 4....
Need 9-11 answered PLEASE ANSWER ALL QUESTION 9 1 points Save Answer Aluminum metal shavings (10.0...
Need 9-11 answered
PLEASE ANSWER ALL
QUESTION 9 1 points Save Answer Aluminum metal shavings (10.0 g) are placed in 100 mL of 6.00 M hydrochloric acid. At STP, what is the maximum volume of hydrogen which can be produced ? 2 Al (5) + 6 HCl(aq) → 2 AlCl3 (aq) + 3 H2(g) O a. 2.241 6.6.72L O C. 1.34 L O d. 4.48 L QUESTION 10 1 points Save Answer For a set amount of gas at constant...
D Question 2 1 pts Calcium carbonate, CaCO3, decomposes upon heating to form CO2 gas according...
D Question 2 1 pts Calcium carbonate, CaCO3, decomposes upon heating to form CO2 gas according to the following balanced chemical equation. When a sample of CaCO3 was decomposed in a test tube, 650 mL of CO2 gas was collected over water at 32.0 °C and the total pressure was 795 torr. The vapor pressure of water at 32.0°C is 36 torr and 1 atm = 760 torr. CaCO3(s) CaO(s) + CO2(g) How many grams of CO2 were collected?
Problems 1. According to the Ideal Gas Law, which of the following is/are correct for a...
Problems 1. According to the Ideal Gas Law, which of the following is/are correct for a gas cylinder of fixed volume filled with one mole of oxygen gas? Please explain each one. a. When the temperature of the cylinder changes from 15 °C to 30 °C, the pressure inside the cylinder doubles. b. When a second mole of oxygen is added to the cylinder, the ratio T/P remains constant. C. An identical cylinder filled with the same pressure of hydrogen...
Question 7 (1 point) A sample of gaseous neon has a volume of 68.2 Lat STP. How many moles of neon are in the sample? 0.328 moles 3.04 moles 68.2 moles 1530 moles 4.11 X 1025 moles Question 8 (1 point) The temperature of a gas at 1.00 atm and 8.00°C is increased to 20.0°C resulting in a change of pressure. Which equation would you use to calculate the new pressure? P: V1 = PzV2 OP/V1 = P2/V2 O P₂...
Need answers to 5 & 6
QUESTION 5 How many liters of CO2 at STP could be produced from the reaction of 2.0 L of CH4 with 2.0 L of Oz (at STP)? O a.1O 6.2L 0 C 0.5L O d. 41 QUESTION 6 The pressure of a sample of gas at 25.0° C is 1.25 atm. What will be the new pressure if the gas is heated to 100.0°C? 5.00 atm O 0.131 atm 0.999 atm 1.56 atm
Need answers 13-16
QUESTION 13 1 points Save For a set amount of gas at constant pressure, T1 = 35.9° C becomes T2 = 157.3°C With V1 = 87.2 ml, what is V2? O a. 121 mL 6.62.6 mL O C. 1.051 O d. 382 L QUESTION 14 1 points Save A What is the density of O2 gas at 37.0°C and 2.30 atm? a. 1.83 g/L 6.270.g/L O C 0.0195 g/l od. 2.89 g/L QUESTION 15 1 points Save...
Need help solving these last 7
questions. Please use the data above to calculate the answers.
Molar Volume of a Gas Room temperature (T2): Barometric pressure: C be & torr Tria .0544 Data Trial 2 Trial 1 Mass of Mg strip Temperature of water in the 600-mL beaker 8.1 torr 142 Vapor pressure of water at the temperature in the 600-mL beaker torr torr S6.4 A.1 Volume of gas collected at room temperature mL mL ,67as 0541 S04L Volume of...
Need answers 8-11
QUESTION 8 1 points Save Ans At 1.0 atm, an unknown pure gas leaks through a small opening in a sealed container at a rate 3.54 times slower than a sample of pure nitrogen gas. Which of the following formulas is likely to represent the formula of the unknown gas? O a. C4H10 b. NH3 Oc. UFG O d. SF5 QUESTION 9 1 points Save Answer Aluminum metal shavings (10.0 g) are placed in 100 mL of...
QUESTION 16 One mole of gas at STP will take up what volume of space? 100 L 1.0L 22.4L 100 mL QUESTION 17 Which of the following samples has the most molecules of gas? O 1.00 L of CH4 at STP 1.00 L of O2 at STP 1.00 L of N2 at STP 1.00 L of CO2 at STP All these would have the same number of molecules
are
these answers correct? how to do question 5
2. Volume of vapour at STP calculations embeqxa 19s2o P-0905atm V, = 145.6 mL T = 90.0°0+273 . IS K V2-0-905)(45.6) 363.15 K 273 Te STP 213 K la de 363.IS o-987 P2o.987atm V2= /003.6ml /1 of c :lde =1.o03 L 3. Mass of vapour calculation Massot ratour= Mass of lask, caf and cemolensed liguid- Mass of flask and cat 92-754 8,-92.65%0g O.09 68 9 92.7586-92.6580 tob ot ajs:/1 =O./006gham 4....
Need 9-11 answered
PLEASE ANSWER ALL
QUESTION 9 1 points Save Answer Aluminum metal shavings (10.0 g) are placed in 100 mL of 6.00 M hydrochloric acid. At STP, what is the maximum volume of hydrogen which can be produced ? 2 Al (5) + 6 HCl(aq) → 2 AlCl3 (aq) + 3 H2(g) O a. 2.241 6.6.72L O C. 1.34 L O d. 4.48 L QUESTION 10 1 points Save Answer For a set amount of gas at constant...
D Question 2 1 pts Calcium carbonate, CaCO3, decomposes upon heating to form CO2 gas according to the following balanced chemical equation. When a sample of CaCO3 was decomposed in a test tube, 650 mL of CO2 gas was collected over water at 32.0 °C and the total pressure was 795 torr. The vapor pressure of water at 32.0°C is 36 torr and 1 atm = 760 torr. CaCO3(s) CaO(s) + CO2(g) How many grams of CO2 were collected?
Problems 1. According to the Ideal Gas Law, which of the following is/are correct for a gas cylinder of fixed volume filled with one mole of oxygen gas? Please explain each one. a. When the temperature of the cylinder changes from 15 °C to 30 °C, the pressure inside the cylinder doubles. b. When a second mole of oxygen is added to the cylinder, the ratio T/P remains constant. C. An identical cylinder filled with the same pressure of hydrogen...
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