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Consanisionic sohlion current consists ol t Ca?- cnaro +2e) ad Cl Ions (0l charge traveling opposite directionsPad #ions 9o IromOYor650 ,uin Fl 41Bx10] Ca? ions mo...

Question

Consanisionic sohlion current consists ol t Ca?- cnaro +2e) ad Cl Ions (0l charge traveling opposite directionsPad #ions 9o IromOYor650 ,uin Fl 41Bx10] Ca? ions move from Bio what Ine cumenc (in mLA) through this solulion?AZdSubmitRequdbAnsiet09k10'

Consanis ionic sohlion current consists ol t Ca?- cnaro +2e) ad Cl Ions (0l charge traveling opposite directions Pad # ions 9o Irom OYor 650 ,uin Fl 41Bx10] Ca? ions move from Bio what Ine cumenc (in mLA) through this solulion? AZd Submit RequdbAnsiet 09k10'



Answers

In an ionic solution, a current consists of Ca$^2+$ ions (of charge $+2e$) and Cl$^-$ ions (of charge $-e$) traveling in opposite directions. If $5.11 \times 1018$ Cl$^-$ ions go from $A$ to $B$ every 0.50 min, while 3.24 $\times$ 10$^{18}$ Ca$^2+$ ions move from $B$ to $A$, what is the current (in mA) through this solution, and in which direction (from $A$ to $B$ or from $B$ to $A$) is it going?

So we are given point A and B on every 0.150 minutes, which is equal to 30 seconds. So every 30 seconds we have 5.11 time. Stand by eight, then about 18 chlorine minus ions going on from B to A. There are 3.24 I'M stand by 18. See a topless ion scoring. Now we want to find out the amount of current in this case. No, let's consider this case now because chlorine minus is a negative ion. We can instruct thing off this Flav charge as going from B to A at the rate of 500 and you know 5.11 times two is 18 ions, but it's less each charge instead ofthe minus the charge which chlorine minus carries so we can insert. Think off this says 5111 time Stand by waiting ions off. Bless E charge. Morning In moving from B to a Now we can see that if you think of it like that from B to A, we have 5.11 time stamp are 18 plus eat ion scoring. I'm for calcium. Each one has a charge off to eat. Where is the electron charge? Hence the amount of charge carried from B to a due to the calcium ions will be two times 3.24 times turned 18 time's charge off each electron. Hence the total charge carried will be by the chlorine ions. That would be 5.11 time stamp are 18 times the charge of LeBron e going from B to a mind you on because of the Florey Because of the calcium ions, that would be 3.24 time stamp are 18 times two because each ion carries two. Thank you. Try still attract charge on notice that I have put a plus sign here because both of them are going from b teau eh? And the current is simply tell Doc your little daddy, Which is it in this case, 4.11 times one by 18 place two times 3.24 times temp are 18 times the electronic charge, which we know is 1.6 times standby minus 19 Coolum divided by 30 seconds. We know that cooling by second is Tampere. So we got our units right. And if you play this number into a calculator, you'll see that it is 62. It's actually 0.62 which turns out to be 62,000,000 amperes, of course. And this is the amount of current which flows from B tow A. Remember, the direction of the current is super important. You could also think off. This has minus 62,000,000 amperes going from A to B.

Mhm. In this question we have to use the predictable to predict the ionic charge for each of the given nonmetal ions. The first one is fried. I am chlorine ion florian is in the group seven A. Of the predictable which has seven valence electrons. Flooring neutral Florina town accepts an electron and becomes F minus. So it has seven electron. In order to complete docked, it accepts an electron and becomes a minus. So the charge of Florina iron will be one minus B. Bombing iron broom. In also present in Group seven A. A predictable with seven valence electrons. It accepts an electron in order to complete the octave and it's the charge becomes one minus. See selenium iron, It is present in group six a. With six valence electrons. In order to complete adopted selenium also accepts two electrons and becomes S. E tu minus ion. So the charge on the ironies to minus for selenia and the last one is nitrogen atom nitrogen, iron, nitrogen is present in Group five A. With five gallons electrons. In order to complete doc tick, it accepts three electrons and becomes N 3-. So the charge on 9 to deny on is 3-.

You know, a diagram, the direction off the current I in the material. It's opposite to the direction of motion negative charges and in the same direction as the motion off the positive charges. So the charge for a total charge you to the positive ions which are moving to get right. We can calculate, and we'll call it. Q plus is equal to the number of charges moving to the right, much applied by a charge on a single iron, which is to eat. And hence we get a number of charges moving to the right. That's five times 10 to the power from steam, and we know the child in the electron to be 1.6. I can't stand to the minus 19 so it's too Thanks e, and this gives us a charge due to positive ions, which I'm going to write for me 1.6 times 10 The minus three cool owes. Now we can do the same, but the negative ions which are moving you left of the total charge due to the negative ions with me to the left Q minus. He's again in It's Minus E, and in this case, the number charges six times 10 to the 15 and we know the charge begin to be 1.6 instead to the minus 19. Kulov's against you get the total charge negative ions minus zero point 96 times Jim to the minus state Kulov's. And finally, you can calculate the current due to the well. It is not some kind of you to be moving charges front is simply change charges Q plus minus Q minus in the time T. So that is 1.6 times 10 to the minus three. Coghlan's minus minus zero point 96 tends to into the minus three items. You need time both one second, and this gives us the current to be to 0.56 times 10 to the minus 30 MPs, which is simply two or in six Milly EMS.

When elements form ionic compounds often. Well when they form ionic compounds, some elements will turn into cat ions. Typically the metals and other elements will turn into an ions. Typically the non metals. If these elements are representative elements found in the age groups, according to the american convention of identifying groups, then there charge can be identified based upon their group. If we have a periodic table here with the groups identified according to two different conventions, we'll put the american convention here as that can be more helpful when identifying the charge. The element found in Group one A. Typically have a plus one plus charge group to A. Those medals will be two plus Group three A. Those medals will be three plus Group four A. We've got the medals down here and the non metals up top the medals will be four plus the non metals however could be for minus. They're often not but they could be. And then when we go to five A. It's mostly non metals now and the non metals take on a negative charge three minus for group five A. And then two minus for group six A. And one minus for group seven A. Sometimes I was saying one plus two plus more like this, this is probably the more common convention rather than saying plus one and plus to they say one plus and two plus. As with all these others, said a minus three minus two minus one, it's typically three minus two minus one minus.


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