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The foll.wing data were measured for the reduction of nitric oxide with hydrogen.
2NO(g)+2H2(g)→N2(g)+2H2O(g)
| Initial oncentration/(mol·dm-3) | Initial rate of formation of H2O/mol·dm-3·s-1 | |
| c(NO) | c(H2) | |
| 0.10 0.10 0.20 | 0.10 0.20 0.10 | 1.23×10-3 2.46×10-3 4.92×10-3 |
What is the rate equation for the reaction？
答案
更多“The foll.wing data were measured for the reduction of nitric oxide with hydrogen. 2NO（g)+2H2（g)→N2（”相关的问题
第1题
W: I know… but I'm afraid I need another few days. The data was harder to interpret than I thought it would be.
Q: What does the woman mean？
(18)
A．She forgot when the report was due.
B．She'd like the man to help her with the report.
C．She needs more time to finish the report.
D．She hasn't included any data in her report.
第2题
听力原文：M: Hello, is that Jane？
W: Speaking.
M: Hi, Jane, this is Chris here. Listen, I'm in real trouble. I'm in the middle of an assignment and my computer's crashed!
W: Oh, no! Bad luck!
M: Yeah, I can't believe it! What do you think I should do？ I'm desperate!
W: I think I can help you, Chris, so calm down! It happened to me last year, and I solved the problem. So don't panic! What happened exactly？
M: I started to boot up and suddenly the screen went blank. I couldn't do anything! All my data's gone! I can't get back it! I've lost it all!
W: Listen, that happened to me, and I took it round to a small company I know and they fixed it in an hour! And they got back all my data, too.
M: Thank goodness Can you give me the phone number？
W: Sure, they're very helpful. Speak to Kit, Kit Marlow. You can mention my name too! That might help. Do you have a pen handy？ Call them at 0208 346 789. Oh, just one more thing. Before you do that, switch it off, and try again. You never know it might correct itself.
M: Okay! I'll do that fight now. And thanks a million!
W: My pleasure. Good luck.
(20)
A．He lost all his data in his work.
B．He can't find his data in the computer.
C．He can't find the phone number of a company.
D．His computer is crashed in the middle of his work.
第3题
M: Good thing it's not due until the end of the semester.
Q: What does the man mean？
(14)
A．He doesn't have to do the project.
B．The woman still has time to finish the project.
C．He'll help the woman to finish the project.
D．The semester will end in two weeks.
第4题
W: That's all right, Dr, Green. I've got the data you required and a few reference books which I think may be useful to your representation at the conference.
Q: What's purpose of the woman's visit to the man？
(13)
A．To remind him of the data he should take to the conference,
B．To see if he is ready for the coming conference.
C．To tell him something about the conference.
D．To help him prepare for the conference.
第5题
根据材料回答第 19～22 题。第 19 题 Why does the man choose to take an evening course？
第6题
M: I'll arrange it right away. Also, Max can help you access the files on my system if it's very urgent.
W: Thanks. That will be really useful. How soon can Max come？
M: Well, he should be here in five minutes. I'll send him over immediately.
What problem does the woman mention？
A．Some office files are missing.
B．A meeting has to be arranged.
C．She can't access some information.
D．A delivery is delayed.
第7题
I was told that you lived there for quite a long time.
W: Oh, I wish I could help. But I was only a child then.
Q: What does the woman imply？
(6)
A．She doesn't remember much about the city.
B．She's never been to the city.
C．She would find someone else to help.
D．She would talk to the man later.
第8题
听力原文：W: Hello, University of Sidney. May I help you？
M: Yes. I'm looking for information on courses in computer programming.
W: Do you want a day or evening course？
M: Well, it would have to be an evening course since I work during the day.
W: Uh-huh. Have you taken any courses in data processing？
M: No.
W: Oh, well, data processing is a prerequisite course. You have to take that course before you can take computer programming.
M: Oh, I see. Well, when is it given？ I hope it's not on Tuesdays.
W: There's a class that meets on Monday evenings at seven.
M: Just once a week？
W: Right. But that's almost three hours--from seven to nine forty-five p. m.
M: Oh. Well, that's all right. I could manage that. How many weeks does the course last？
W: Let me see.., oh, yes, twelve weeks. You start the first week in September and finish.., oh... just before Christmas. December twenty-first.
M: And how much is the course？
W: That's 300 dollars, and that includes the necessary computer time.
M: OK. By the way, is there anything that I should bring with me？
W: No. Just your checkbook.
M: Thank you so much.
W: You're very welcome. Bye.
M: Bye.
(9)
A．To inquire about computer programming courses.
B．To inquire about the time of the lecture.
C．To buy some computer books.
D．To open an account.
第9题
听力原文：W: Hello. Klarkson College. May I help you？
M: Yes. I'm looking for information on courses in computer programming. I need it for the fall semester.
W: Do you want a day or evening course？
M: Well, it would have to be an evening course since I work during the day.
W: Uh-huh. Have you taken any courses in data processing？
M: No.
W: Oh, well, data processing is a prerequisite course. You have to take that course before you can take computer programming.
Mt Oh, I see. Well, when is it given？ I hope it's not on Thursdays.
W: Well, there's a class that meets on Monday evenings m seven.
M: Just once a week？
W: Yes. But that's almost three hours, from 7 p. m. to 9:45 p. m.
M: Oh, that's all right. I can manage that. How many weeks does the course last？
W: Urn, Let me see. 12 weeks. You start the first week in September and finish... oh, lust before Christmas, December 21st.
M: And how much is the course？
W: That's $300 and that includes the necessary computer time.
M: Uh-huh, OK. Um, where do I go to register？
W: Registration is on the 2nd and 3rd of September, between 6 p. m. and 9 p. m. , in Frost Auditorium.
M: Is that the round building behind the parking lot？
W: Yes, that's the one.
M: Oh, I know how to get there. Oh, is there anything I should bring with me？
W: No. Just your checkbook.
M: Well, thank you so much.
W: You are very welcome. Bye.
M: Bye-bye.
(20)
A．A pre-test is required.
B．A data-processing course is required.
C．A day course is required.
D．A college diploma is required.
第10题
听力原文：W：Hello，Parkson college．May I help you？
M：Yes．I'm looking for information on courses in computer programming．I would need it for the fourth semester．
W：Do you want a day or evening course？
M：Well，it would have to be an evening course since I work during the day．
W：Aha．Have you taken any courses in data processing？
M：No．
W：Oh．Well，data processing is a course you have to take before you can take computer programming．
M：Oh，I see．Well，when is it given？ I hope it's not on Thursdays．
W：Well，there's a class that meets on Monday evenings at seven．
M：Just once a week？
W：Yes．But that's almost three hours from seven to nine forty-five．
M：Oh．Well，that's all right．I could manage that．How many weeks does the course last？
W：Mmmm，let me see．Twelve weeks．You start the first week in September，and finish…，oh，just before Christmas，December 21st．
M：And how much is the course？
W：That's three hundred dollars including the necessary computer time．
M：Aha．Okay．Ah，where do I go to register？
W：Registration is on the second and third of September．between 6 and 9 in Frost Hall．
M：Is that the round building behind the parking lot？
W：Yes．That's the one．
M：Oh，I know how to get there．Is there anything that I should bring with me？
W：No，just your checkbook．
M：Well，thank you so much．
W：You are very welcome. Bye!
M：Bye!
Question 19．Why does the man choose to take an evening course？
Question 20．What does the man have to do before taking the course of computer programming？
Question 21．What do we learn about the schedule of the evening course？
Question 22．What does the man want to know at the end of the conversation？
(23)
A．He prefers the smaller evening classes.
B．He has signed up for a day course.
C．He has to work during the day.
D．He finds the evening course cheaper.
