love you like a song

Yinyue let out a "tsk", but the experiment ended later than her, and she didn't lose... This girl just came by surprise!

He stretched his hand forward, pinched the burette, and slowly titrated the mixed solution with sodium thiosulfate solution until the color of the suspension turned light yellow, then added 10 drops of 1% starch solution and continue the titration.

After seeing the color disappear, Yinyue pressed the button to complete the experiment...

He scored 5 points.

Yinyue didn't feel any dissatisfaction, but thought it was fair.

He is not a messy Lang Ri who can calculate gains and losses - he lost his mind halfway and made mistakes and leaked a few times, which is already considered a relatively high score.

Did not enter the written part of the test.Now, the referee is still talking about it.Because they were embarrassed when calculating Mu Zian's experimental results...

The speed at which Mu Zi'an completed the experiment was really too fast, and his movements were very standard.Moreover, there was no mistake in calculating how much solution to take, and I really couldn't fault it.

Giving full marks, they all felt that it was an undercount, but a game is a game, and they have to follow the rules.They discussed it and gave Mu Zi'an the highest score, an experiment with 10 points that is rarely seen in international competitions.

The current score is 30:30.

It's time for the final part of the written test.Mu Zi'an didn't speak, but smiled at 'Lang Ri' and made an English lip-synthesis of 'choose B difficulty'.

Yinyue. "..."

This girl is more annoying than Lang Ri!

Don't forget, it's just back to the same level!

Suddenly, the assistant referee's phone rang.

After he answered the phone, he whispered to the referee with a serious face for a while, and when the referee nodded, he spoke to Mu Zi'an and Lang Ri.

"It was notified from above that the rules of the international competition have been changed."

"The new rules are to separate the experimental part from the written test, and to rewrite the questions... Well, the rules of the written test are actually roughly the same as the punishment competition you guys competed before."

"The only difference is that the score value of the unified bonus and deduction points is unified to 2 points."

"But now, due to the speed of your experiments, the written test has already begun, so you can choose whether to follow the more difficult new rules."

Seeing that the players still didn't understand, the referee knew that what the deputy referee said was not very clear, so he pulled him and added to the players and reporters. "It means 'the game has already started, you don't need to choose new rules'."

"You can still follow the relatively simple original rules (two points for correct answers, two points for wrong answers, no points for no answers), of course, you can also follow the new rules. Now, tell me, what is your choice?"

The new rules do not need to choose the AB difficulty, one for each difficulty.

Moreover, if you have the ability to answer two questions within the allotted time, you can get two points, just like Mu Zi'an got nine points directly before.

"New rules."

Yinyue was obviously worried about the nine points of the previous penalty question, and answered first.

Mu Zi'an doesn't care about anything, it's okay to be difficult or easy.Seeing that Yinyue wanted the new rules that were much more difficult, she nodded casually when the referee looked over.

"Okay, then choose a new rule."

"Please listen to the question. As far as we know, the raw material gas for ammonia synthesis is obtained by reacting natural gas with water and air at high temperature. The main reactions involved are as follows:

(1)CH4(g)H2O(g)→CO(g)3H2(g)

(2)2CH4(g)O2(g)→2CO(g)4H2(g)

(3)CO(g)H2O(g)→H2(g)CO(g)

假设反应产生的CO全部转化为CO2，CO2被碱液完全吸收，剩余的H2O通过冷凝干燥除去。进入合成氨反应塔的原料气为纯净的N2和H2。”

"Difficulty A: . Calculate the heat of reaction for reaction (2). Given:

(4)C(s)2H2(g)→CH4(g)△H4=-74.8kJmol

(5)C(s)1/2O2(g)→CO(g)△H5=-110.5kJmol”

“难度B：为使原料气中N2和H2的体积1:3，推出起始气体中CH4和空气的比例。设空气中O2和N2的体积比为1:4，所有气体均按理想气体处理。”

Another reasoning question, with a failed experience, Yinyue's calculation this time is much faster than before.His speed of doing questions is absolutely sufficient for international competitions.

With Mu Zi'an's experience of completing two questions in a short period of time, Yin Yue did not dare to only do question A this time, and immediately thought about question B non-stop.

However, the one in front of him was Mu Zi'an.

Mu Zi'an who can keep up with the chess game through the ages.

In the City of Life and Death Chess, Mu Zi'an's reasoning ability is recognized as the strongest. The sick and weak young man who once played chess with her described Mu Zi'an in this way afterwards:

'There seems to be an invisible thin line between the chessboard and the chess pieces in Mu Zi'an's hands. She wants to manipulate the black pieces to fall there, and that invisible line will place the black pieces at the point where they must win. '

Yinyue originally thought that this time he would be quicker, so that the time would not be stretched too far, and he could answer all the questions in time, but...

As soon as he raised his head, Mu Zian stretched his forearm and pressed the button suddenly.

Yinyue's pupils shrank, and regardless of whether she was done or not, she slid at the same time, stretched her arms, and pressed the button, but she still couldn't catch up. The answering desk on the opposite side had already made a crisp "ding dong" .

Afterwards, Mu Zi'an slowly walked towards the referee and submitted his answer.

“A题：反应(5)x2-反应(4)x2,得反应(2),

(2)的反应热:M2=-110.5kJmolx2-(-74.8kJmolx2)=-71.4kJmol”

“B题：4份N2，需12份H2。4份N2由空气引入时，同时引入1份02。由反应(2)和(3)，1份02需2份CH4，产生6份H2。另外的6份H2由反应(1)和(3)提供，再需要6/4份CH4。”

“因此，起始体系中CH4和02的比例为3.5：1，故CH4和空气的比例为3.5：5。”

Yinyue, who was one step behind, still lost, 34:30.

He bent his knees and sank.

Squinting and staring at the Chinese girl opposite, the contempt in her eyes finally faded away.

After a half-minute break, the big screen changed to the next question.

"Second question: Sodium dithionite is a commonly used reducing agent. Sulfur isotope exchange and paramagnetic resonance experiments have confirmed that there are sulfinyl radical anions in its aqueous solution."

"Difficulty A: Write down the simplified structural formula of the radical anion, and deduce its shape according to the VSEPR theory."

"Difficulty B: Sodium dithionite reacts with CF3Br to obtain sodium trifluoromethanesulfinate. According to literature reports, the reaction process mainly includes three steps of free radical generation, transfer and annihilation (product generation), and the formation of trifluoromethanesulfinate is written reaction mechanism."

It turned out to be a very difficult organic question!

Yinyue smiled, changed the posture of holding the pen, pinched her index finger down, and pressed the tip of the pen against the end of her middle finger, looking at the questions on the big screen with absolute certainty.

This is a representative movement of his brain turning quickly, and anyone who knows a little about Yinyue knows that the most powerful thing about him is the activity of his brain after performing this movement. There have been praiseworthy reviews.

In simple and easy-to-understand words, if this pose is performed, Yinyue's brain development area will instantly increase by 3%.However, what he doesn't know is that...

Mu Zi'an is best at organic questions!

All chess players in the chess city have a tacit understanding: When your opponent is Mu Zi'an, you must not compete with her in complexity, but in changes, so that you have a chance of winning. You ask why?

Because her abilities are analysis and mental arithmetic.

For Mu Zi'an, what he was least afraid of was this complicated and deadly organic question that many people were vaguely afraid of.Because in her eyes, this is how much one plus one equals.

Mu Zi'an saw the title music on the big screen, so he pressed the button.

Faced with complicated and difficult questions, she took a very resolute and violent action in less than 30 seconds, and pressed the button to complete the answer!

I rely on! ! !

Full of confidence, Yin Yue's pupils constricted.

How can this be…? !

It's not that no one has been able to answer this kind of question perfectly in such a short period of time, but that's just a question A, not a clean and complete answer.

"boom!"

There was an uproar in the live broadcast room.

At the same time, Yin Yue grabbed the answering board, her veins bulging, she took a deep look at Mu Zi'an, took a big step, walked back to the answering table, and pressed the button.

Answering the question in exactly the same way, he was one step behind.

If they hadn't seen it with their own eyes, no one would have believed it: in a blink of an eye, one person could chase 23 points in a row with an overwhelming advantage, and finally made a sprint.

Mu Zi'an's answer was announced.

"Question A: ·S02-, Angle type."

"Problem B: -O2S-SO2-→-O2S··SO2-

CF3Br SO2-→ CF3BrSO2-

-O2S··CF3→F3CSO2”

And this time.

Yinyue stared at the part that was different from his answer, her proud expression finally couldn't hold back anymore.

……

……

The competition is still going on. If this state continues, if Mu Zi'an's answer is correct, then according to the answering time, she will be able to win the third round...

"...Wow, such a humiliating way, is it because he was severely bullied, or what, how much enmity Mu Zi'an has with this Englishman..." Li Yan murmured unconsciously.

In the British team, the leader teacher looked serious. Although he paid little attention to Asian chemistry, such a character who could overwhelm Lang Ri—even if she was only a 14-year-old girl, how could he have never never heard of that?

As for the Chinese team, it is simply a celebration with hands raised high!

Li Yan would be very excited, as if he was the one answering the question, he ran between the passionate couple Mu Jinxiu and Shi Qing who were also watching, wrapped his arms around their necks respectively, and jumped excitedly stand up.

"Oh my god! It's amazing! It's amazing! It's indeed the person the teacher hired! Mu Zi'an's analysis speed is faster than your kid! It's like a humanoid computer!"

After speaking, Li Yan immediately used his evil hands to rub Shi Qing's neat hair into a chicken coop.

"Hey, let me tell you to be crazy again, you have met your opponent."

After he finished kneading, he quickly pushed Mu Jinxiu's "shield" to the front, and turned around with a smile.Seeing Gu Nan next to him again, Li Yan coughed a few times, and was about to step forward and praise Mu Zi'an to Gu Nan.

…well?

The compliment he hadn't said yet was swallowed back in time by him, Li Yan looked at Gu Nan's face, and suddenly froze.

Why does the teacher have such an expression...?

For Li Yan, although Gu Nan's expression is rare, it is not unfamiliar - the teacher is not happy at this time.

No, Li Yan recalled it carefully. When Mu Zian was the first to answer the penalty question, the Chinese team was obviously shocked and then burst out laughing, extremely excited. He also heard Teacher Gu's excited speech. Growled "beautiful"!

And Mu Zi'an not only won a question beautifully, from the current point of view, she is quite comfortable, this competition is almost a sure thing - why is the teacher unhappy at such a great time?

The author has something to say:

Many numbers, or several powers of the unit, Jinjiang can’t display it. For example, the unit of heat of reaction is KJ per mol. After mol, it should be -1 power, but there are no more, and the plus sign also disappears automatically. 'The wolf can't help it, just look at the questions roughly, don't get entangled.