Pranav

This is the last question of my AP Chem summer assignment, but I’m not sure how to do it.

A 0.741 mole sample of HI is placed in a 5.000 liter container and held at a constant temperature until the gas-phase reaction

2 H I ⇀↽ H 2 + I 2

comes to equilibrium. At equilibrium, it is found that the concentration of I2 is 3.7×10−2 mol/L. What is the numerical value of the equilibrium constant Kc at this temperature?

So basically for my science fair project I am trying to test how well yeast ferments polysaccharides and disaccharides. But my science teacher says you must have some sort of instrument for measurement and she says we also have to say which unit it will be measured in. I don't have any idea on either of those because I was planning on just counting the carbon bubbles that appear. Help would be greatly appreciated!

So I'm thinking of doing this science fair project here: https://www.education.com/science-fair/article/yea...

However I need to come up with a purpose as a part of the project, and I'm not sure what the purpose of it could be. Can someone help?

My dad s account got hacked, can someone please give me the Yahoo Customer Support Number?

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People say that more adults play Nintendo than kids, I want a source of this.

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I also play PS and Xbox but I wanted to know if it was normal for me to still enjoy Nintendo alongside them?

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I have a USB 2.0 device and my laptop has a 3.0 port, but it doesn't really fit for some reason. I tried both ways and it doesn't work, and I'm afraid to push harder because idk if if will damage something. Is it supposed to fit or do I have to buy an adapter?

I'm really good with most controllers, but the problem is they don't work well with shooters and strategy games. I remember that shooters and strategy games worked really well with the Wii controller, but that controller has too few buttons so that doesn't work well with PC games even if I could find software that would let me use that with my PC. I just want to get better at playing strategy and shooter games with keyboard and mouse but I suck at using it and I always forget where they key I want to press is located (like when I want to reload, I accidentally press E). This forces me to use a controller, but I lose all my matches just like when I'm using a keyboard and mouse. Can someone help?

I know the differences between them, but when I see one of them around how am I supposed to tell whether it's a fly or a mosquito? Do they make different sounds? Are there supposed to be easily noticeable differences?