HomeworkLib
Question

A sample of helium gas has a volume of 7.50 L at a pressure of 645...

A sample of helium gas has a volume of 7.50 L at a pressure of 645 mmHg and a temperature of 25.0 °C. The pressure of the gas, in atmospheres, when the volume is 12.8 L and the temperature is 47.0 °C is ___.

Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10⁵)

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

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
A sample of helium gas has a volume of 7.50 L at a pressure of 645...
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 helium gas has a volume of 6.50 L at a pressure of 845...

    A sample of helium gas has a volume of 6.50 L at a pressure of 845 mmHg and a temperature of 47.0 °C. The pressure of the gas, in atmospheres, when the volume is 12.8 L and the temperature is 25.0 °C is ___. Respond with the correct number of significant figures in scientific notation.

  • If a gas occupies 12 L at 3 atm, how many liters will it occupy at...

    If a gas occupies 12 L at 3 atm, how many liters will it occupy at 9 atm if the temperature is not changed? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10⁵)

  • A sample of methane gas has a volume of 10. L at a pressure of 1.5...

    A sample of methane gas has a volume of 10. L at a pressure of 1.5 atm and a temperature of 20.0 °C. What is the temperature of the gas in °C if it is expands into 18 L with a pressure of 0.90 atm? Please respond with the correct number of significant figures in scientific notation.

  • 9.37 X Answered - Incorrect 2 attempts left A cylinder of medical oxygen has a volume...

    9.37 X Answered - Incorrect 2 attempts left A cylinder of medical oxygen has a volume of 20.5 L, and contains O2 at a pressure of 150 atm and a temperature of 25 °C. What volume of O2 does this correspond to at normal body conditions, that is, 1.0 atm and 37 °C? Answer in ml, do not include units in your answer Respond with the correct number of significant figures in scientific notation (Use E notation and only 1...

  • A sample of helium gas has a volume of 6.70 L at a pressure of 845...

    A sample of helium gas has a volume of 6.70 L at a pressure of 845 mmHgand a temperature of 26 ∘C . What is the final pressure of the gas, in atmospheres, when the volume and temperature of the gas sample are changed to the following, if the amount of gas does not change? 1550 mL and 315 K P1 =   atm   Part B 2.45 L and 18 ∘C P2 =   atm   Part C 14.0 L and 42 ∘C...

  • answer with two sig figs scientific notation QB 15.10 Level 1 Homework. Unanswered In an aqueous...

    answer with two sig figs scientific notation QB 15.10 Level 1 Homework. Unanswered In an aqueous solution, if the [OH-] is 7.5E-9 M what is the [H30+)? 0 Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105) Numeric Answer: Unanswered . 2 attempts left Submit In an aqueous solution, if the [H3O+] is 7.1E-9 M what is the [OH-]? Respond with the correct...

  • How many atoms of hydrogen are in 2.22E+1 g of methane? Respond with the correct number...

    How many atoms of hydrogen are in 2.22E+1 g of methane? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5e5 for 2.5 x 10") How many moles of oxygen atoms are in 5.3E-1 moles of CO2? Only give the numeric value of your answer. Don't include the units. .- Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit...

  • A sample of helium gas has a volume of 6.30 L at a pressure of 915...

    A sample of helium gas has a volume of 6.30 L at a pressure of 915 mmHg and a temperature of 27 ∘C. please answer the following questions with the information given above. 1.) What is the pressure of the gas in atm when the volume and temperature of the gas sample are changed to 1630 mL and 349 K if the amount of gas is constant? 2.)What is the pressure of the gas in atm when the volume and...

  • USE CORRECT SIG FIGS AND SCIENTIFIC NOTATION Determine the molar (M) concentration of a solution made...

    USE CORRECT SIG FIGS AND SCIENTIFIC NOTATION Determine the molar (M) concentration of a solution made by dissolving 7.714E1 g of CaCl2 in sufficient water to make 250.0 mL of solution. Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimale.g. 2.5E5 for 2.5 x 105) Numeric Answer: Determine the number of grams of potassium permanganate present in 5.25E1 mL of a 0.250 M KMnO4(aq) solution. 0 Respond with the...

  • A sample of helium gas at a pressure of and a temperature of, occupies a volume...

    A sample of helium gas at a pressure of and a temperature of, occupies a volume of. If the gas is heated at constant pressure to a temperature of, the volume of the gas sample will be  L. осипе СиспC 0 accc Прола напис п псиса по иппо чистио. A sample of helium gas at a pressure of 931 mmHg and a temperature of 63°C, occupies a volume of 11.2 L. If the gas is heated at constant pressure to a...

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