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Author Question: A sample of hydrogen gas was collected over water at 21C and 685 mmHg. The volume of the container ... (Read 17 times)

JimmyJoe

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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
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Marked as best answer by JimmyJoe on Nov 5, 2023

3ginamay

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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.
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JimmyJoe

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Reply 2 on: Nov 5, 2023
Wow, this really help

sarah_brady415

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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