HomeworkLib
Question

If the volume of H2 produced in the experiment is 73.0 ml, the pressure is 745.6...

If the volume of H2 produced in the experiment is 73.0 ml, the pressure is 745.6 torr, the temperature is 25.5 °C, moles of H2 is 0.003, what is the gas constant R in the unit of L•atm/mol•K?

science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Given:
V = 73.0 mL
= 0.0730 L

P = 745.6 torr
= 745.6 / 760 atm
= 0.9811 atm
T = 25.5 oc
= (25.5 + 273.1) K
= 298.6 K
n = 0.003 mol

Use:
P*V = n*R*T
0.9811 atm * 0.0730 L = 0.003 mol * R * 298.6 K
R = 0.07995 L.atm/mol.K

Answer: 0.080

0 0
Add a comment
Know the answer?
Add Answer to:
If the volume of H2 produced in the experiment is 73.0 ml, the pressure is 745.6...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • A sample of carbon monoxide gas occupies a volume of 263 mL at a pressure of...

    A sample of carbon monoxide gas occupies a volume of 263 mL at a pressure of 781.3 torr and a temperature of 399 K. What would its temperature be if the volume were changed to 82 mL at a pressure of 657.5 torr? QUESTION 2 Under conditions of constant temperature and volume, how many additional moles of gas would have to be added to a flask containing 2.7 moles of gas at 25.0 °C and 1.00 atm pressure in order...

  • Adiver exhales a bubble with a volume of 250 mL at a pressure of 24 atm...

    Adiver exhales a bubble with a volume of 250 mL at a pressure of 24 atm and a temperature of 15 'C. What is the volume of the bubble when it reaches the surface where the pressure is 10 atm and the temperature is 27", if the moles are constant? 1100 ml 630 L 580 L 100L 110mL Question 22 2 pts A tank contains helium gas at 490 mm, nitrogen gas at 0.75 atm, and neon at 520 torr....

  • 1. Calculate the volume of the gas, in liters, if 1.55 mol has a pressure of...

    1. Calculate the volume of the gas, in liters, if 1.55 mol has a pressure of 1.20 atm at a temperature of -6 ∘C. (Answer in L) 2.Calculate the absolute temperature of the gas at which 3.33×10−3 mol occupies 498 mL at 760 torr . (Answer in K) 3.Calculate the pressure, in atmospheres, if 2.65×10−3 mol occupies 415 mL at 140 ∘C. (Answer in atm) 4.Calculate the quantity of gas, in moles, if 127 L at 60.0 ∘C has a...

  • How many moles of gas are in a container that has a volume of 20.5 mL,...

    How many moles of gas are in a container that has a volume of 20.5 mL, temperature of 303 K, and pressure of 1.10 atm? Assume ideal gas behavior. L atm L kPa • Use R-0.08206 mol K vor 8.314 v for the ideal gas constant. mol K • Your answer should have three significant figures.

  • please do all. thanks. 1.   a. A weather balloon is filled to the volume of 105...

    please do all. thanks. 1.   a. A weather balloon is filled to the volume of 105 L on a day when the temperature is 25°C. If no gases escaped, what would be the volume of the weather balloon after it rises to an altitude where the temperature is -9°C? Volume = L? b A 203-mL sample of a gas exerts a pressure of 2.55 atm at 19.5°C. What volume would it occupy at 1.85 atm and 190.°C? Volume = ?mL...

  • 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...

  • A gas has a pressure of 5.25 atm and a volume of 7095 mL at 57°C

    A gas has a pressure of 5.25 atm and a volume of 7095 mL at 57°C. How many moles are in the sample? Use R=0.0821 atm L/mol K. 

  • 1. A gas has a volume of 1.57 L at 2.95 atm. What pressure is required...

    1. A gas has a volume of 1.57 L at 2.95 atm. What pressure is required to reduce the volume to 1.25 L at the same temperature? at ga 2. A gas has a volume of 3.75 liters at 12°C, what is the volume at 25 C if the pressure remains constant? wil 3. What is the pressure of a gas in a 375 mL container, if it has a pressure of 219 Torr in a 525 mL container at...

  • Constant R = 0.08206 L atm mol K 1. (1 pt) Convert 187.2 Torr to atmospheres....

    Constant R = 0.08206 L atm mol K 1. (1 pt) Convert 187.2 Torr to atmospheres. 2. (2 pts) Calculate the pressure of 1.64 mol of a perfect gas that occupies a volume of 21.4 L at room temperature (25°C). 3. (2 pts) What is the molar mass of a 28.0 g sample of a perfect gas that occupies a volume of 22.4 L at a pressure of 1.00 atm and at a temperature of 0°C? Name (print): Section No....

  • In the first cell, 42.51 mL of hydrogen gas were formed at the cathode.The temperature was...

    In the first cell, 42.51 mL of hydrogen gas were formed at the cathode.The temperature was 21.5C and the vapor pressure of water at this temperature is 19.240 torr. The Barometric pressure was 758.8 mm Hg and the height of water in the buret above the level of water in the beaker was 8.2 cm. Calculate: a. Partial Pressure of Hydrogen (H2) in buret   (PH2 = Barometric – VP – Pheight) (The pressure due to the height of water still...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT