A) consider a test tube containing ethyl 4-aminobenzoate towhich was added 1.0 M HCl. Write the balanced chemicalequation representing this reaction.b) write the b...

When hydrochloric acid solution reacts with lead(II)
nitrate solution, lead(II) chloride precipitates and a
solution of nitric acid is produced.
\begin{equation}
\begin{array}{l}{\text { a. Write the balanced chemical equation for the reaction. }} \\ {\text { b. Interpret the equation in terms of molecules and }} \\ {\text { formula units, moles, and mass. }}\end{array}
\end{equation}

We're taking a look at Here is a balanced chemical equation. We have two HCL make this conditions PV and of three to a creates conditions again generate P V C L two solid two h m 03 acquis. So we have is two molecules of H C L one from the unit PB and 32 that generates one formula. Unit P B C L two to Formula Unit of each and three. So we take a look at masses. Here you have to HCM people to to malls. That's by by 1.8 g, divided by moles. Yeah, add two moles multiplied by 35.43453 crimes per month, so that gives us a value of 72 point 9 g. So next we'll take a look at another mass on the next page. A little bit more spaces. So now we can look at P B M F sweep PB and or 32 what Mom multiplied by two or seven point two grams promo. Two more multiplied by 14.2 row, 07 g per remote. Yeah. Then we had six miles multiplied by 15.999 g per mole. Uh, what that equals Yeah, is 331.2 g. So two months to do P B C L two is equal to one mall multiplied by two at 7.2 g per mole. And then we just need to add two moles multiplied by 35.453 g per mole. What that equals is 278.1 g per month. That was quite simple. Once you've got one left and then we can rewrite off equation. So we've got two h an 03 to look at now, so that is two miles well supplied by 1.8 g per mole for the hydrogen. Add two miles multiplied by 14.999 g per mole. That is for the nitrogen had six miles because we have three times two of oxygen sat's multiplied by 15.999 That's 14.7 for nitrogen. My apologies. And so what we can that's an unit of grams per mole again. What we get is the body of 1 to 6.0 g. So then I'll find the cohesion of 72.9 g hcl 331.2 g PB. And I'm 32 That generates 278.1 g. He the cl two, add 1 to 6.0 g. Uh huh H and 03 Wow!

Since the first one we have eight seal or hydrochloric acid rating with nickel So first we'll write down the reaction equation of the molecule a question, then you will balance it. Then we write the total on immigration and from there we will write the NATO in education. So this first like the right the Molik alert equation for variation Cynical It means solid state. Yeah, I didn't really quit Um a seal which is water soluble and it will be a glass condition The product side We will have the nickel will react with them chloride to form. They killed Lorraine in a quiz. Plus we'll have hatred and gas So now this is our molecule recreation. Now we have to balance it and for balancing we have toe Keep in mind that forestry ban is the metals for violence education first three balance metals Denree balance non metals Danieli, Melons, head prisons and Denny Balance Oxygen's if we have any. So this's ah crueler positive for balancing chemical equation. So forestry Banisar, mate Alarm bell metal here is nickel So we have won t kill here and want to kill here. That means we don't have to balance the metal Now we're not Martin Harris. SKorean So we have to claw in here. But once you're in here, that means he had to put it to here. And now we have got hundreds in here and also try and reason here. That means nutritionist balanced. Now we have to write down there the total an education. So while writing the total and education, we have to break the compound's interests ions. If that is an ionic compound which is soluble in water or if that is strong acid, so you are a strong electrolyte. So if a company's strong electrolyte that miss it will be completely disassociated into science and we have to write them an ironic form. So since they seem stronger city, it is a strong electrolyte that Mr Jack, right it in an e form will be in to each plus class. We have to seal our we have righted the state. Also, Mac was plus two seal minus till, well, cnac, Woz and then so nickel core. It is an is an iron compound. Seitel bills, so be dissociated into silence in a two plus plans to steal minus, and we have doesn't guess now if we what we have to do here tto find the NATO an equation is we have to cut the common items from both sides to the com announce our respected rounds In both sides, Americans say that glowing is the common on in both sides. This card deck Laurean's and rewrite the NATO in education nickel blast range plus and we'LL have nickel to plus in AC Woz Plus it doesn't guess so This is our, ah net ionic equation for this reaction And this is our ah balanced molecule equation. Now I go to our second one where we have sulfuric acid reacting with iron Some I don't will be in solid form and sulfuric acid being water soluble we'LL be in a quest form and the product will be fair self at in a quiz form plus hydrogen guests So now we have to balance our matters first. So metal here is Iran. Iran is already one in both sign Then we have to manage the non middle So when we have ah, the complex science or the rehab Ah, the radicals are the on the molecule rounds like these self it we don't have to count the sulfur and oxygen separately and just count the self around in total in both sides. So we have one cell for here and oneself are here and we don't have to balance it. And we have two hundreds in here and two hundred in here. That means we don't have to abandon the hundred. And also that is the no. The molecular equation is already balanced in this case. Now I have to write the total Ionic equation so Iran will get too. So instance Selfridges. It is strong electrolyte. It will be completely associated into your silence, which is H plus and it's a four to minus and in the product will have every two plus plus. It's off for two minors since its tiny component will be also Ah, this Assyrian drinks irons in the aqua solution and we have hunters and gas. Now, if we cut the commoners from both sides, we have self it guard from both sides and the NATO. An equation will be I don't plus two each. Plus, in a course, it will be called toe. If two plus Akwasi Plus I'd risen and guess so this is our net an education for destruction. They go to the turtle In here we have Hydra bra, mega subjecting with magnesium Some ignition solid. We'LL reactivate it H b r, which is our course being soluble in water and then in the product will have ignition bromide and cause plus hydrogen gas. Now we have to balance the question. We have one Magnuson in both side. We have one room in here to a broom in here. That means he had to put on to here. And now we have two hundreds in here into hundreds in here. So that is our balanced Mollica equation, or we have correct that total An indication Tell me M g two plus Oh, no. It would mean solid from the magnification. Then we will have toe h plus from the H. Pierre, since there's a strong immigrate will be completely associate into silence. Tell me to age plus class, Toby are minus two hundred and into a bromide ion and then in the product will have also, since it's ironic component, We were also release a Syrian through science. A solid wood, any compound and you two plus plus Toby are minus and we have hydrogen gas. All right, now we have to cut our common items from both sides. So you comin out here is bromide? We just cut it and write or balanced equation, which is magnesium in solid glass. Ah, to wage Plus because it will give us m g two plus CWA's plus hydrogen guests. So this is the NATO in education for this one. And finally we have ascetic acid. Directing was sink. So think Oh, write it as think which have been solid. And then then we have acidic Yasin was formalized its secrets the auto. And since it's also water soluble little back wass the product will have I think a sit in the charge on as it around is minus one on think it's plus two It'Ll be certain situations tree oto or break it too. It will be also echo us and then we will have hundreds of guests. Now we have to balance it First we have to balance our mater So we have one thing here one sing here and we can count the acid down in total. So we have won a seated here and to a seated here, so that means we have to put it to you in the reactant side. Now we have two exited in both sides. Then now we have to hide was in here and we have tried to the barrels. So this is our balanced Monica equation for destruction. I have to write down them. Go tell an equation. A solid writing down a new page. So we have thinking Sahlin then so acidic acid is not a strong electorate. It's a week electrolyte. That means it will be not completely this Assyrian very sound. So it'll we're right in the same this form Serrated toe h sito A three or two in a quiz the product site. So our zinc acidity is and it will be a nobody so Syrian through silence. So we'LL have Syrian two plus Nicholas plus as sit down c two h three or two minors and we have two assitant at monsieur To put it to here it will sent AC wass and finally will have had risen. Now here we can see that we don't have any common on it the reactant and protect side We have seen a solid here I and think is I own here and We have this as a into component in its Ionic forms, since there's not a strong electrolyte. But I think accident being in strong like rate will be dissociated grade science. And we have hydrogen gas. So see there is no common or speak around in both sides, so the total an equation for this reaction will be its Net ionic equation.

This question is a review of molecular equations and that ionic equations. You also need to have some understanding of your strong assets and strong bases, and you saw the ability rules. So for the first problem, we have solid magnesium hydroxide reacting with a solution of sulfuric acid. So it's Aquarius. When the reaction occurs, the hydrogen ions go to the hydroxide, leaving magnesium sulfate according to sell ability rules. This is soluble, so acquis and water. In order to get it to balance, we're going to produce two waters with four hydrogen total. The magnesium hydroxide stays is a solid when we write the Net Ionic equation, but the hydrogen, the sulfuric acid, separates into ah, hydrogen ion and hydrogen sulfate and ion according to salute ability rules. The magnesium sulfate separates. It's soluble into magnesium ion and sulfate and ion, then with the separation. But the magnesium and sulfate water stays together still with our two waters here. This, then, is the ionic and the Net Ionic equation. For the next one, we have magnesium carbonate, solid reacting with hydrochloric acid. The hydrogen is go with the carbonate to produce carbonic acid, which quickly separates into water and carbon dioxide, and what's left over is the salt magnesium chloride. In order for the two chlorides to exist, we need to have two hydrochloric acids right here. This is not soluble, so it stays is a solid. The hydrochloric acid is so it separates into two hydrogen ions and two chloride and ions. The magnesium chloride, according to sell you bility rules, is soluble and separates into the magnesium I and two chloride and ions. And then we still have our H 20 liquid and our co two gas. After canceling these two spectator ions, what's left is the Net Ionic equation. This one is all in gas phase, producing a solid ammonium chloride because there is no acquis involved, no ions are created and this molecular equation is also the Net Ionic equation.

Okay, so in this problem were given to different reactions and we need to find their products and right out everything in structural formulas. So are you certain his first reaction with acetic acid in sodium hydroxide? So acetic acid simply looks like this and then the n a o h d associates to form this add these together and it's a any O. H. Is really strong base. So it's gonna take the age off of our car box Cilic acid, the acetic acid. So we'll be left with plus in h +20 plus any plus which unused. So then we have methyl amine plus, uh, h CEO. So methyl means simply looks like a I mean with a muffle attached to it. So here is a ch three each close again. This will associate the HCL minus and then this asset wants to donate. It's each onto the meth. Alami. So here we have our and and it simply picks up a bonus proton. So now it's positively charged, and then we have c l minus remaining in our products, and that's it