Thread Content
Participation: Reward of 3~5 Wealth points; Correct answer: Reward of 10 wealth points ; Note: This post is valid for 48 hours. Multiple-choice question: The pressure of a gas increases as the temperature rises because ( ). (A) The density of a gas increases as temperature rises. (B) Gas molecules become more active as temperature rises. (C) The viscosity of a gas increases as temperature rises. (D) The distance between gas molecules decreases as temperature rises. Answer: B. Your participation is the greatest support for our work. Giving roses to others leaves a pleasant fragrance in one’s own hands. https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answers will be released automatically after two days. “My Device, My Home – Large-Scale Original Photo Sharing Event (Part 2): https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1868167&extra=page%3D1 【Q&A】Summary Post on Catalyst Coking and Reforming Oil Blending for 2017: https://bbs.hcbbs.com/thread-1826018-1-1.html 【Daily Question】Summary Post on Catalyst Coking and Reforming Oil Blending for 2017: https://bbs.hcbbs.com/thread-1811219-1-1.html
(A) The gas density increases as the temperature rises
(A) The gas density increases as the temperature rises
(B) As the temperature rises, gas molecule activity increases
(B) As the temperature rises, gas molecule activity increases