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 18 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
Great answer, keep it coming :)

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Water Gradient Water Gradient
Water amount needed to grow crops Water amount needed to grow crops
For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
Sample Program for Changing Daily Caloric Intake (cont.) Sample Program for Changing Daily Caloric Intake (cont.)
Sample Exercise Program for Healthy Older Adults (cont.) Sample Exercise Program for Healthy Older Adults (cont.)
Sample purchase order form. Sample purchase order form.
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library