CHEMISTRY COMMUNITY

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Hello,

From what I understood, for first- or second-order reactions, the rate varies with reactant concentration. This contrasts with zero-order reactions, where the rate is fixed and concentration-independent. If someone could elaborate further, that would be greatly appreciated. Thank you!

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Both terms relate to the equilibrium constant, but K is used when the reactants and/or products are specified in terms of moles. Sometimes, Kc will be used in place of just K. In contrast, Kp can only be calculated for gases and when the reactants and products are given under partial pressure. Hope ...

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Delta U is seen as a state function as it is determined by subtracting the final U value from the starting U value, we already know that U is regarded as a state function and that delta U would be regarded in the same manner. Hope this helped!

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Hello, The fundamental processes need the production and consumption of intermediates. The first step requires the presence of a catalyst called a "reactant," which enables the subsequent stages to proceed and take place. Nonetheless, just like intermediates, the catalyst would still cance...

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Hello, E must be positive when there is a spontaneous process. This is evident when we consider the equation -nFE = deltaG. We are aware that a spontaneous reaction occurs when deltaG is negative. According to this logic, E must be positive because the equation's other side, which must remain negati...

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Hello, Someone previously asked if the four responses have to be questions that have no responses or if they still count if there is a couple responses already; To answer that question, after browsing in the chem community website (and correct me if I'm wrong), I saw someone say that in order for yo...

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Hello Dr. Lavelle, I just wanted to say thank you so much for the sincerity you put into teaching your students. You have provided us with so much resources so that each and everyone are all able to succeed in the career path they chose. Although chemistry is something I have always struggled with, ...

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Me: Want to hear a joke about nitrogen oxide?
Friend: NO!

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I wish I was (A)denine so that I could get paired with U <3

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wait.. I found a good one.. last one for today, I promise: "what do you call an acid with an attitude? a-mean-oh acid" that was good huh? yea, you're welcome.

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""OMG" Did you hear that Oxygen and Magnesium are dating?!?!?!!!!?!?!?!" These jokes are so bad that it's almost funny (>.<) I think I'm having way too much fun with this because I literally made like three posts in less than five minutes. My bad

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I can't think of anymore Chemistry jokes because all the good ones "Argon" pls laugh (T^T)

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"Why can you never trust an atom? Because they literally make up everything!!" hehehe

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If work (w) has a positive value, then the system is being worked on and something is taking place. When w, however, is negative, work is carried from the system to its surroundings.

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Is there any pneumonics that can help you remember the strong acids and bases? Strong Acids: So I brought no clean clothes H2SO4, HI HBrought HNO3 HClean HCl04thes H2SO4 (sulfuric acid) HI (hydrologic acid) HBr (hydrobromic acid) HNO3 (nitric acid) HCl (hydrochloric acid) HClO4 (perchloric acid). A...

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This is the response to someone who asked what is an acid and a base. So basically, everything that contributes an H+ (proton) is an acid, while anything that accepts an H+ is a base (proton). A lot of the acids are distinguished from bases by having a H in front of them. Hope this helped!

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Hey! I totally feel you and I am sure many other students feel the same way as you!! I think it is okay to acknowledge that there will be some subjects that you will not be excelling in like how you are in your other classes and that's totally fine! Not going to lie, I envy a lot of people who gets ...

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It's my time to shine, I highly recommend Trader Joes' Mini Milk Chocolate Peanut Butter Cups!! Dangerously good!!

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Hello! my favorite candy are Japanese gummies (I forgot the name).

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Oooouuuu!! Matilda, Fine Line, Cherry, and Little Freak all by Harry Styles!! I also listen to podcasts :D

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Hello! This is somewhat related to the question above but I just wanted ask if anyone knows if our grade on canvas for the chemistry community can still be changed? I have been putting it off for two or three weeks so I am a bit behind and I am trying to catch up right now. Will my grade still be ch...

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Anderson is my favorite relaxing spot and it is so pretty there! Lots of natural light too!

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Hello! I am just here to share my experience as a working student! Personally, I feel that it is very doable as long as you set a time for your studies and most importantly, your wellbeing. I am currently in the process of getting another job on top of my other job. I don't know how I'm going to do ...

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I am craving for some mango sticky rice from the 8E8 Thai Street Food Truck! It is so good since it is not super sweet and just right!!! Highly recommend but the line is always so long (T_T)

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I just remember another one that I have been going by ever since I got here in the United States back in 2013,
"be the person you needed when you were younger." This quote have inspired me ever since and has gotten me to where I am at now :))

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This is kind of cringe but I once read this saying somewhere when I was younger and it went like, "if you are going through [censored], why stop there?"

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This is not a movie but "Our Beloved Summer" is my comfort show!! Highly recommend :) It's on Netflix.

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Hello, I am also curious if the midterms are curved once they are posted? Also, where do I find the grading scale for this class on bruin learn? I have been searching of rat but I cannot find it.

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Hello! I genuinely wanna do better in this class and I feel as if I am always lost in this class no matter how much I try. I am open to any study tips from previous and/or current students!

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Hello! I recently got my score and I honestly thought I was going to do better compared to the last midterm but I literally got the same score (T_T) I'm so sad.

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Hello! After taking the first midterm for chem 14b, I have concluded that it is so important to get eight hours of sleep in order for your brain to perform at its best. It is also important to eat before the midterm so that you can focus on the exam rather than what's for dinner.

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Hey! My TA told my class that you won't be punished if you don't post anything for a week or if you are lacking the required post (which is three per week), however, you can make it up in the following week by posting more than what is required during that week. For example, if you only post two com...

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Hello! I believe it's best if you delete respondus completely from your device and try restarting your device for about five minutes. After that, try re-downloading it again and I believe it should work. Hope this can help in the future!

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Hello! I have discussion 2F and from what I know, the discussions are not recorded, however, my TA sends the slides before our discussion and at the end of the week where he posts the slides again but with answers. I also think that discussions are not required since we do not take attendance. Hope ...

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Hey guys! I opted out of inclusive access a couple of days ago and I was still able to use achieve even after opting out last week. With that said, I am afraid that starting this week, I might not able to access my achieve account to do homework. Does anyone know if I can still access achieve to do ...

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Hello! I have a questions regarding how points work when responding, asking, or commenting a post. I know that it is suggested that we make three posts every week to get full point for that specific week, however if I to make more than three post, would I get extra credit or would it just be transfe...

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After you reply to someone else's post, you should be able to see the numbers of posts you have made. However, I have a question regarding this topic, since we are required to at least post 3x in a week, I was just wondering how I will be graded if my username shows as my UID? Would it be better if ...

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Thank you so much for your advice! I really appreciate you sharing a little bit of your journey and I enjoyed reading it! You mentioned that you still went back and used your Chem 14A and 14B notes from Dr. Lavelle's class which helped you passed and I just find that really amazing! With that, I wan...

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Hello! I also have a really bad test anxiety! Reading that many people also have test anxiety makes me feel SO much better because I know that it's not just a "me" problem. With that, I want to share a few things that have helped me throughout my life. First, it is so important to not cram...

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