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For the short answer questions, show all your work and calculations to receive full credit, 1...
1. Short Answer Questions on Gases: a State whether the following comments are True or Falso....
1. Short Answer Questions on Gases: a State whether the following comments are True or Falso. If false, modify the statement so that it is correct (5 pts ench). 1. Pressure and volume are inversely proportional 2. Gases behave most ideally at high pressure and low temperature 3. Gases have definite shape and no definite volume 4. Pressure and temperature are directly proportional b. In a reaction flask, 120 torr of CO2 is combined with 150 torr of NH3(g) and...
A 125 mL glass bulb contains 0.138 g sample of propane, C3H8, at 22C. What is...
A 125 mL glass bulb contains 0.138 g sample of propane, C3H8, at 22C. What is the pressure of this gas? [R = 0.0821 L atm mol-1 K-1] a. 0.61 atm b. 0.28 atm c. 0.045 atm d. 0.0061 atm e. 0.000045 atm Acetylene can be made by reacting calcium carbide with water: CaC2(s) + 2 H2O(l)→Ca(OH)2(s) + C2H2(g) What is the maximum volume of acetylene that can be obtained from 225 g of calcium carbide at 23C and 645...
please show work Name Lab Section (circle one): 12:00 2:00 4:00 CHEM 1402 Weekly Problem 1. I take a hot air balloon...
please show work
Name Lab Section (circle one): 12:00 2:00 4:00 CHEM 1402 Weekly Problem 1. I take a hot air balloon ride in which on the ground the balloon has a pressure of 1.50 atm and a volume of 283 L at a temperature of 20 °C. The balloon rises to a height of 0.550 atm and a volume of 722 L. What is the temperature in C?! Useful information 1 atm = 760 torr R=0.0821 L atm/mol K
314 J/mol K 78.4+ 273,15 All work must be show to receive credit. Remember, significant figures...
314 J/mol K 78.4+ 273,15 All work must be show to receive credit. Remember, significant figures are important! P_TAH P, -AH / T,+1, IT R 0,0821 L atm/mol K = 8.314 J/mol K "P, RT TI? 1. (4 points) Ethanol has a heat of vaporization of 38 56 kJ/mol and a normal boiling point of 78.4°C. a. What is the vapor pressure of ethanol at 250°C? In P2 - Nroup CT-T2 ) 25.0+ 273. P2L n =-A 38.56 kJ last...
show calculations. 5-1, please. Unit 5: Gases Ato Basic Gas Relations . onsider the Ideal Gas...
show calculations. 5-1, please.
Unit 5: Gases Ato Basic Gas Relations . onsider the Ideal Gas Law: where n is the number of moles, P is the pressure in atm nRT wnere n is the number of moles, P is the pressure in atm, is the vol ume in L, T is the absolute (Kelvin) temperature, and R = 0.082 L atm/mole K ote: 1. Parameters that are on oppos1te sign are directly proportional to ea 2. Parameters that are...
A 2.337 g sample of magnesium carbonate (MgCO3) was dissolved in hydrochloric acid. The following reaction...
A 2.337 g sample of magnesium carbonate (MgCO3) was dissolved in hydrochloric acid. The following reaction occurred at 27.1oC and a pressure of 784 mmHg: MgCO3(s) + 2HCl(aq) --> CO2(g) + H2O(l) + MgCl2(aq) Calculate the volume (in mL) of CO2 produced. Give your answer to the correct number of significant figures and in units of mL. Data: 1 atm = 760 mmHg, 0oC = 273 K, PV = nRT, R = 0.0821 L.atm.mol-1.K-1, Molar mass (g/mol) of Mg =...
3. Avogadro's law states that a. 1 liter of any gas contains 6.02 x 1023 gas...
3. Avogadro's law states that a. 1 liter of any gas contains 6.02 x 1023 gas molecules. b. the volume of a gas is directly proportional to its temperature. c. the gas constant equals 0.0821 L atm/(mol K) for all ideal gases. d. the volume of a gas must always be a constant. e. equal volumes of all gases at the same pressure and temperature contain an equal number of moles.
Please answer & explain 31-35 Which gas sample is not at STP? 1.00 mole of neon...
Please answer & explain 31-35
Which gas sample is not at STP? 1.00 mole of neon at 760 mm Hg pressure and 0°F 16.05 g of CH4 at 760 mm Hg pressure and 273 K 83.80 g of krypton at 1.00 atm pressure and 32°F 70.90 g of chlorine at 1.013 x 10 Pa and 273K Revised 8/18/19 32. How many liters will 20.0 g of Br2 occupy at STP? a) 2.80 L b) 5,4 L c) 1.8L d) 3.2...
Consider example 14.1. What is the ratio of the mass of a single molecule of the ideal gas in the example, to its (molec...
Consider example 14.1. What is the ratio of the mass of a single
molecule of the ideal gas in the example, to its (molecular
velocity)2? Be sure that you're using the correct units and to
include R in your function. (Hint: Your answer should be m/u2 =
??)
535 One mole of an ideal gas at 0°C and 1.00 atm pressure contains 6.022 x 10 molecules (Avogadro's number) and occupies a volume of 22.414 L. A good States of Matter...
Exam SHORT ANSWER Write the complete answers, including calculations to recieve full credit. 1) The Lewis...
Exam SHORT ANSWER Write the complete answers, including calculations to recieve full credit. 1) The Lewis structure of Astla shows nonbonding electron pairs) on As 1) 2) A triple bond consists of pairs of electrons shared between two atoens 2) 3) For a molecule with the formula AB, the molecular shape is 3) ") A sample of a gas (5.0 mol) at 1,0 atm is expanded at constant demperature from 1o L. to 15 4) L. The final pressure isatm....
1. Short Answer Questions on Gases: a State whether the following comments are True or Falso. If false, modify the statement so that it is correct (5 pts ench). 1. Pressure and volume are inversely proportional 2. Gases behave most ideally at high pressure and low temperature 3. Gases have definite shape and no definite volume 4. Pressure and temperature are directly proportional b. In a reaction flask, 120 torr of CO2 is combined with 150 torr of NH3(g) and...
please show work
Name Lab Section (circle one): 12:00 2:00 4:00 CHEM 1402 Weekly Problem 1. I take a hot air balloon ride in which on the ground the balloon has a pressure of 1.50 atm and a volume of 283 L at a temperature of 20 °C. The balloon rises to a height of 0.550 atm and a volume of 722 L. What is the temperature in C?! Useful information 1 atm = 760 torr R=0.0821 L atm/mol K
314 J/mol K 78.4+ 273,15 All work must be show to receive credit. Remember, significant figures are important! P_TAH P, -AH / T,+1, IT R 0,0821 L atm/mol K = 8.314 J/mol K "P, RT TI? 1. (4 points) Ethanol has a heat of vaporization of 38 56 kJ/mol and a normal boiling point of 78.4°C. a. What is the vapor pressure of ethanol at 250°C? In P2 - Nroup CT-T2 ) 25.0+ 273. P2L n =-A 38.56 kJ last...
show calculations. 5-1, please.
Unit 5: Gases Ato Basic Gas Relations . onsider the Ideal Gas Law: where n is the number of moles, P is the pressure in atm nRT wnere n is the number of moles, P is the pressure in atm, is the vol ume in L, T is the absolute (Kelvin) temperature, and R = 0.082 L atm/mole K ote: 1. Parameters that are on oppos1te sign are directly proportional to ea 2. Parameters that are...
3. Avogadro's law states that a. 1 liter of any gas contains 6.02 x 1023 gas molecules. b. the volume of a gas is directly proportional to its temperature. c. the gas constant equals 0.0821 L atm/(mol K) for all ideal gases. d. the volume of a gas must always be a constant. e. equal volumes of all gases at the same pressure and temperature contain an equal number of moles.
Please answer & explain 31-35
Which gas sample is not at STP? 1.00 mole of neon at 760 mm Hg pressure and 0°F 16.05 g of CH4 at 760 mm Hg pressure and 273 K 83.80 g of krypton at 1.00 atm pressure and 32°F 70.90 g of chlorine at 1.013 x 10 Pa and 273K Revised 8/18/19 32. How many liters will 20.0 g of Br2 occupy at STP? a) 2.80 L b) 5,4 L c) 1.8L d) 3.2...
Consider example 14.1. What is the ratio of the mass of a single
molecule of the ideal gas in the example, to its (molecular
velocity)2? Be sure that you're using the correct units and to
include R in your function. (Hint: Your answer should be m/u2 =
??)
535 One mole of an ideal gas at 0°C and 1.00 atm pressure contains 6.022 x 10 molecules (Avogadro's number) and occupies a volume of 22.414 L. A good States of Matter...
Exam SHORT ANSWER Write the complete answers, including calculations to recieve full credit. 1) The Lewis structure of Astla shows nonbonding electron pairs) on As 1) 2) A triple bond consists of pairs of electrons shared between two atoens 2) 3) For a molecule with the formula AB, the molecular shape is 3) ") A sample of a gas (5.0 mol) at 1,0 atm is expanded at constant demperature from 1o L. to 15 4) L. The final pressure isatm....
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