This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A sample of hydrogen gas was collected over water at 21C and 685 mmHg. The volume of the container ... (Read 46 times)

JimmyJoe

  • Full Member
  • ***
  • Posts: 139
on: Nov 5, 2023

Question 1

A sample of helium gas occupies 355mL at 23°C.  If the container the He is in is expanded to 1.50 L at constant pressure, what is the final temperature for the He at this new volume?
◦ 1,250 °C
◦ 978 °C
◦ 70.1 °C
◦ 80.0 °C
◦ 1,520 °C

Question 2

A sample of hydrogen gas was collected over water at 21°C and 685 mmHg.  The volume of the container was 7.80 L.  Calculate the mass of H2(g) collected.  (Vapor pressure of water = 18.6 mmHg at 21°C.)
◦ 0.283 g
◦ 0.572 g
◦ 0.589 g
◦ 7.14 g
◦ 435 g
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by JimmyJoe on Nov 5, 2023

3ginamay

  • Full Member
  • ***
  • Posts: 158
Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


JimmyJoe

  • Member
  • Posts: 139
Reply 2 on: Nov 5, 2023
Excellent

bdobbins

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

A sample prescription written by a physician. A sample prescription written by a physician.
Water Mite Water Mite
Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa
A sample flow sheet. A sample flow sheet.
Sample Items from the Brief Multidimensional Measure of Religiousness/Spirituality (BMMRS) Sample Items from the Brief Multidimensional Measure of Religiousness/Spirituality (BMMRS)
Two areas of reduced cortical volume and one area of increased cortical volume observed in people ... Two areas of reduced cortical volume and one area of increased cortical volume observed in people ...
Video: baroreceptors

For a complete list of videos, visit our video library