5

M1 8 E prbol1 #chooa...

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M1 8 E prbol1 #chooa

M1 8 E prbol 1 #chooa



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$\begin{array}{|c|c|c|c|}\hline m_{i} & {8} & {1} & {4} \\ \hline\left(x_{i}, y_{i}\right) & {(-3,-1)} & {(0,0)} & {(-1,2)} \\ \hline\end{array}$

This question asked us to take a look at comparing some salts and the Civic Cat ions that can come from the salts in general. Wasn't really clear entirely what this question was asking for, but I believe we're being um as to determine which is the more acidic solution based on the salts and their concentrations here. So that means the lower ph solution that's going to be more acidic and it's gonna have a higher K. A value associated with it. And so we take a look at this. Um In the first set of examples we have nickel two plus chloride um at the same concentration of sodium chloride, sodium chloride with the sodium cat iron we should know is a neutral cat eye on. So it's not going to contribute any acidic properties at all to the solution. But Nicol two plus can I on has a K. A. Value associated with It's pretty small but nonetheless um will furnish some acidic properties to the solution. And so as a result here, The more acidic solution is going to come from the Nickel two plus here. And that would have um the lower ph overall for the solution as well. In the second set of examples, we have a tin two plus solution be compared to the same concentration of a cobalt two plus solutions. Were comparing tin and cobalt here. So the K value for 10 2 plus is four times channel the negative four for cobalt two plus, it's much lower, It's two times 10 on the negative 10. It's the higher K. A value that's going to give me a more acidic solution or a lower ph. So therefore the Tin two plus with the higher K value will furnish the more acidic solution. In this set of examples.

All right. One cubic meter. What a cube whose mentions are one meter by one meter by one meter would have a volume of one cubic meter went from one same cube. New units There are 100 centimeters for every meter, so the same Q could be thought of as 100 centimeters by 100 centimeters by 100 centimeters, so 100 times 100 times 100 is even to one million cubic centimeters.

Well, everyone, this is Ricky and they were working on a problem. Five from a model test number six. And so this is a question asking us about sphere that's inscribed in a cube. And what the ratio of the falling sphere to the booth. All right, So to start this question, let's write down the formulas for both of our severe and for acute first fear, 4/3 choir cute. And for the volume of the Cube, a heart issues this will rather Cuba's the length aside. Yes, threes as cute. And then, if we translate this where the length of side ISS equal to the radius spear, get or rather the diameter of the spear, get what you are. That's a cute Wallace to paint way Now if we look at the ratio votes spear. Q. Start with Why are huge? Huge. You see that? Ready? I drop out. And for my what a fine two. Everything's fine Pi over 63.14 over six, which is about 0.52 I hope this video is helpful. Seeing that

In this problem, I am writing the reaction for AGI CL two on treatment with an H four H result in giving black precipitated, which is the material mercury metal and basic mercury, to Aminu Amidu chloride white precipitate. So just look at it carefully To actually two cl 2 plus four manage for, oh, it will react to give actually you H. D. Manage to cl this is black precipitate plus to H. G plus three NH four cl plus three H tour. Therefore, option. See each correct and said what this problem.


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