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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 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...
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...
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...
QUESTION 16 15. Gas 1 and gas 2 are in containers of equal volume (V1=V2). If...
QUESTION 16 15. Gas 1 and gas 2 are in containers of equal volume (V1=V2). If T1 = T2, m1 < m2, and n1 = n2, then what is true about the pressure, P, in the two containers? Note: T is the temperature in Kelvins, m is the molecular mass of the gas, n is the quantity of matter in moles. O A Pq< P2 B. pq > P2 C.P - P2, always D.P - P2, at low temperatures only...
Question 22 1 pts What volume of oxygen, measured at STP, can be produced by the...
Question 22 1 pts What volume of oxygen, measured at STP, can be produced by the decomposition of potassium chlorate if 20.0 g of the salt (KCIO;) is completely decomposed into potassium chloride and oxygen gas? @ 1.83 L 2.44 L 3.66 L 2.14 L 5.55 L Question 23 1 pts 1.00 g of Fe3O4 is formed in the reaction 4 H2O(g) + 3 Fe(s) → Fe3O4(s) + 4 H2(g). How many liters of hydrogen are also formed, if measured...
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 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...
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...
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...
QUESTION 16 15. Gas 1 and gas 2 are in containers of equal volume (V1=V2). If T1 = T2, m1 < m2, and n1 = n2, then what is true about the pressure, P, in the two containers? Note: T is the temperature in Kelvins, m is the molecular mass of the gas, n is the quantity of matter in moles. O A Pq< P2 B. pq > P2 C.P - P2, always D.P - P2, at low temperatures only...
Question 22 1 pts What volume of oxygen, measured at STP, can be produced by the decomposition of potassium chlorate if 20.0 g of the salt (KCIO;) is completely decomposed into potassium chloride and oxygen gas? @ 1.83 L 2.44 L 3.66 L 2.14 L 5.55 L Question 23 1 pts 1.00 g of Fe3O4 is formed in the reaction 4 H2O(g) + 3 Fe(s) → Fe3O4(s) + 4 H2(g). How many liters of hydrogen are also formed, if measured...
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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