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0.5 points Save Answer g/L. QUESTION 3 The density of nitric oxide (NO) gas at 0.970...
QUESTION 3 0.5 points Save Answer If nitrogen gas has a density of 1.14 g/L, and...
QUESTION 3 0.5 points Save Answer If nitrogen gas has a density of 1.14 g/L, and an unknown gas has a density of 5.67 g/L at the same temp and pressure, what is the ratio of the rate of effusion of the known gas to the rate of effusion of nitrogen? rate effusion unknown - 2 rate effusion N2 QUESTION 4 0.5 points Save Answer The combustion reaction for octane burning in oxygen is: 2 C8H18 (1) + 25 O2(g)...
please show me how to get the correct answers in preperation for my upcoming exam 6.)...
please show me how to get the correct answers in preperation
for my upcoming exam
6.) E 10.) B 12.) C
6) The density of nitric oxide (NO) gas at0.970 atm and 34.9 °C is A) 0.0384 B) 10.2 C) 0.869 8/L. D) 0.339 E) 1.15 10) A pressure vessel contains CO2 (PCO2 = 3.78 atm) and O2 (P02 -6 atm) gases at a total pressure of 9.78 atm. What is the mole-fraction of CO2 and O2 gases, respectively? A)...
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as...
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as shown below: HXiaq) + NaOH(ac) + NaCN aql + H200). Suppose you carried out this reaction in a coffee cup calorimeter using 50.0 mL of 0.500 M HX and 0.500 mL of 0.500 M NAOH If the temperature of the calorimeter increases by 1.4°C, what is the enthalpy of this neutralization reaction (in kJ/mol? Assume the density of the solution is 1.00g/mL and that...
QUESTION 3 0.5 points Save Answer A flask is filled with 1.56 moles of a gas...
QUESTION 3 0.5 points Save Answer A flask is filled with 1.56 moles of a gas at 14.2 K and 636.7 mm Hg. The flask is then opened and an additional 1.56 moles are added. The temperature of the flask is then changed to 136.3 K. What is the pressure (in atm) of the flask under these final conditions? QUESTION 4 0.5 points Save Answer What is the density in g/L) of a gas with a molar mass of 177.9...
QUESTION 1 0.5 points Save Answer The density of i s 0.716 g/L at STP. {Hint:...
QUESTION 1 0.5 points Save Answer The density of i s 0.716 g/L at STP. {Hint: these molecules have different molar masses.) O Ne OCH4 О со O no o F2 QUESTION 2 0.5 points Save Answer The density (in g/L) of CO2 at 1106.2 torr and 56.3 °C is O 1800 O 0.0538 O 0.0234 13.9 2.37 OUESTION, 5 bainte a
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as...
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as shown below: HX(aq) + NaOH(aq) - NaCN(aq) + H2000). Suppose you carried out this reaction in a coffee cup calorimeter using 50.0 mL of 0.500 M HX and 50.0 mL of 0.500 M NaOH. If the temperature of the calorimeter increases by 1.79 °C, what is the enthalpy of this neutralization reaction (in kJ/mol)? Assume the density of the solution is 1.00g/mL and that...
7. Gas Law Problem Nitric oxide (NO) reacts with molecular oxygen 2NO(g) + O2(g) → 2NO2(g)....
7. Gas Law Problem Nitric oxide (NO) reacts with molecular oxygen 2NO(g) + O2(g) → 2NO2(g). Initially, equal volumes of the reactant gases are separated in a 2.0 L container. The pressure of the NO is 1.25 atm, while the pressure of the O2 is 0.85 atm. What are the partial pressures of the gases once the reaction has gone to completion. Assume the temperature remains constant at 0°C.
QUESTION 1 0.5 points Save Answer A 567.6 mL sample of carbon dioxide gas, CO2, is...
QUESTION 1 0.5 points Save Answer A 567.6 mL sample of carbon dioxide gas, CO2, is collected at 1.41 atm and 22.3 °C. What is the mass of the carbon dioxide? QUESTION 2 0.5 points Save Answer What will be the pressure of 27.8 grams of oxygen gas in a glass container with a volume of 5 L at 28.8 °C? QUESTION 3 0.5 points Save Answer Consider the reaction between hydrogen gas and oxygen gas to form water: 2...
QUESTION 3 0.5 points Save Answer According the the kinetic molecular theory of gases, rank the...
QUESTION 3 0.5 points Save Answer According the the kinetic molecular theory of gases, rank the following molecules at STP by their density: H2 CH4 Cl2 {In each blank type <; =, or > as appropriate.} QUESTION 4 0.5 points Save Answer pressure, A real gas will deviate most from the properties of an ideal gas, at volumes, temperature. In other words, what conditions are the least ideal. {Fill in each blank with the word high, large, small or low...
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...
QUESTION 3 0.5 points Save Answer If nitrogen gas has a density of 1.14 g/L, and an unknown gas has a density of 5.67 g/L at the same temp and pressure, what is the ratio of the rate of effusion of the known gas to the rate of effusion of nitrogen? rate effusion unknown - 2 rate effusion N2 QUESTION 4 0.5 points Save Answer The combustion reaction for octane burning in oxygen is: 2 C8H18 (1) + 25 O2(g)...
please show me how to get the correct answers in preperation
for my upcoming exam
6.) E 10.) B 12.) C
6) The density of nitric oxide (NO) gas at0.970 atm and 34.9 °C is A) 0.0384 B) 10.2 C) 0.869 8/L. D) 0.339 E) 1.15 10) A pressure vessel contains CO2 (PCO2 = 3.78 atm) and O2 (P02 -6 atm) gases at a total pressure of 9.78 atm. What is the mole-fraction of CO2 and O2 gases, respectively? A)...
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as shown below: HXiaq) + NaOH(ac) + NaCN aql + H200). Suppose you carried out this reaction in a coffee cup calorimeter using 50.0 mL of 0.500 M HX and 0.500 mL of 0.500 M NAOH If the temperature of the calorimeter increases by 1.4°C, what is the enthalpy of this neutralization reaction (in kJ/mol? Assume the density of the solution is 1.00g/mL and that...
QUESTION 3 0.5 points Save Answer A flask is filled with 1.56 moles of a gas at 14.2 K and 636.7 mm Hg. The flask is then opened and an additional 1.56 moles are added. The temperature of the flask is then changed to 136.3 K. What is the pressure (in atm) of the flask under these final conditions? QUESTION 4 0.5 points Save Answer What is the density in g/L) of a gas with a molar mass of 177.9...
QUESTION 1 0.5 points Save Answer The density of i s 0.716 g/L at STP. {Hint: these molecules have different molar masses.) O Ne OCH4 О со O no o F2 QUESTION 2 0.5 points Save Answer The density (in g/L) of CO2 at 1106.2 torr and 56.3 °C is O 1800 O 0.0538 O 0.0234 13.9 2.37 OUESTION, 5 bainte a
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as shown below: HX(aq) + NaOH(aq) - NaCN(aq) + H2000). Suppose you carried out this reaction in a coffee cup calorimeter using 50.0 mL of 0.500 M HX and 50.0 mL of 0.500 M NaOH. If the temperature of the calorimeter increases by 1.79 °C, what is the enthalpy of this neutralization reaction (in kJ/mol)? Assume the density of the solution is 1.00g/mL and that...
7. Gas Law Problem Nitric oxide (NO) reacts with molecular oxygen 2NO(g) + O2(g) → 2NO2(g). Initially, equal volumes of the reactant gases are separated in a 2.0 L container. The pressure of the NO is 1.25 atm, while the pressure of the O2 is 0.85 atm. What are the partial pressures of the gases once the reaction has gone to completion. Assume the temperature remains constant at 0°C.
QUESTION 1 0.5 points Save Answer A 567.6 mL sample of carbon dioxide gas, CO2, is collected at 1.41 atm and 22.3 °C. What is the mass of the carbon dioxide? QUESTION 2 0.5 points Save Answer What will be the pressure of 27.8 grams of oxygen gas in a glass container with a volume of 5 L at 28.8 °C? QUESTION 3 0.5 points Save Answer Consider the reaction between hydrogen gas and oxygen gas to form water: 2...
QUESTION 3 0.5 points Save Answer According the the kinetic molecular theory of gases, rank the following molecules at STP by their density: H2 CH4 Cl2 {In each blank type <; =, or > as appropriate.} QUESTION 4 0.5 points Save Answer pressure, A real gas will deviate most from the properties of an ideal gas, at volumes, temperature. In other words, what conditions are the least ideal. {Fill in each blank with the word high, large, small or low...
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...
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