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Sam was asked by his teacher to convert 0.34 L.min^(-1) toL/min . Please show clear working steps (2 Marks)...

Question

Sam was asked by his teacher to convert 0.34 L.min^(-1) toL/min . Please show clear working steps (2 Marks)

Sam was asked by his teacher to convert 0.34 L.min^(-1) to L/min . Please show clear working steps (2 Marks)



Answers

How would you carry out the following conversions? More than one step is needed in each case. (FIGURE CAN'T COPY)

There are often multiple ways to carry out conversions depending on what conversion factor you use. And with so many conversion resources online, you can do many of these in a single conversion Will convert leaders to mill leaders by multiplying by 1000. We can then convert meters, two nanometers knowing that one nanometers, one times 10 to the negative nine m. And we get 52 significant figures on the nanometers. 6.8 times 10 to the 5th nanoseconds. Well, one nanosecond is one times 10. The negative nine seconds. So we get 6.8 times 10 to the negative four seconds. That's a four. And then if we have £5 there's 453, 6 g in a pound. So that corresponds to To just two significant figures 230 g. And then if we're in kilograms per meter cubed, We can convert the grant kg into g by multiplying by 1000. We can then convert the meters cubed into centimeters cubed by taking the 1 to 100 cubing it. And then we can go from centimeters cubed into leaders knowing there's 1000 centimeters cubed in a leader and we then end up with units of grams per liter, which is the same number 155 And for the last one, if we're in Grant gallons per hour, We can convert the hours, two seconds knowing there's 3600 seconds in an hour and then we can convert the gallons to litres knowing there's 37854 leaders in a gallon and the four significant figures, we get 6151 times 10 to the negative three liters per second.

This problem we're told we have to. Leaders of potassium chloride solution will assume it's HBs, and the concentration of that solution is 0.496 bulls and we want to make 250 milliliters of a solution. That is 2500.175 moles. Treacher. So we know that we're not going to use the whole two leaders. That's basically our stocks should. So we have to Leaders of stock solution. We're going to need the tape, some of my own and deluded. They had a smaller concentration when the total volume of 250. So we're going to remember our equation. Polarity is and over the knee, and we're going to end up with the same number of rules in each solutions. So number of moles is Commons. We've been just say that m one Anyone asked a week? Well, m two being too where we're trying to solve for B one. How much is that stock solution to use? So a little bit of algebra here just divide everything through Volume one when we get and to need Teoh one and that equals 0.175 always good to carry the units. Moules. They're in the Eager times 250 milliliters. And I'm not minding that. I'm mixing no leaders and years. You'll see why and divided by started by M one, which is zero point for 96 Tools for an eater. And we can see the units here canceled. And we're going to be left with an answer and villages, which makes sense. It's a value. So we see that we're going to need to take 88.2 mill leaders of our potassium chloride Stoff, and we're going to need to dilute it to a total volume of 250. So how exactly we're gonna do that? Well, let's consider how accurate the solution needs to be were given three significant figures here. So let's assume that we need to measure this accurate to the three to significant years 88.2 and a 100 mil graduated cylinder. You should be able to be the first decimal place off. It was going to user 100 mil graduated cylinder and let's because their community really available and very accurate. More so than the graduated cylinder, we're going to use a 250. Meet Phil. 250 mil. Leader Volumetric last. So we're going to use a graduated cylinder. Measure 88 went to milliliters of our potassium fluoride stock will be deported into the 250 mil volumetric flask and top up the flash to the mark.

And problem, 9.27 were asked. Create out of specified, starting with a terminal out kind. Let's look at the first the first reaction, which will be top right, and we will work clockwise from there. So get a single chlorine in the market. Nick off position. We're first going to need to reduce triple bond to a double bond. We will do that with hydrogen and a little R catalyst. This will give us a double bond, and now we could either add. You could add HCL, and this would give a couple Katherine an intermediate reading a core a chlorine on the second carbon. Now let's look at the second reaction in the second reaction. We have a terminal alcohol that could be multiple ways to do this problem. But I'm going first, reduces using hydrogen and a linear catalyst and then react it with boring and base. So first, this adds boring to the terminal end of the now double bond, and then we will use peroxide and a base. This will give us a terminal alcohol. Now, for the third reaction, the third reaction. We have to add another method group to the end of our trouble, bond. So we're going to do this first by removing the terminal hydrogen. We will do this with an A N H. Two in liquid pneumonia, and then we will add the Method group and I'm going to add with metal. Were any I So I owed a metal. That's how we create the third product now. In the next reaction were to create a key tone on the second carbon. This is also the McCartney cough position for the key tone. So in this reaction, we're going to use it's, too. It's to s 04 and it's G as a four to create the Mark Romney cough. Kato, this is does proceed with a carbon Charan Intermediate, where the Mercury Sulphate ads and then carbon Kanta informs, and then hydrogen, we'll add or than the he don't well for him from there. And in this reaction, it is also possible for the, you know, group to form. But the key toe is favored, and most of the products will end up in the key to form. Okay, now let's continue in a clockwise direction to the last four reactions. The next reaction we have in a pox side that forms. Now we know how to make up oxides from double bonds, so let's reduce our triple bond to a double bond. We can do this using Ha jin, and the little are catalyst, and then we will use an epoxy acid or a proxy acid. Now a proxy acid has to oxygen's next to each other and taquito, and this proxy acid will lose an oxygen, which will be in the final lip oxide. And you also have a regular acid that will be left over. So this is how you can make an IP oxide Now. In the next part, we are reducing the triple bond to a double bond. There are a couple ways that this can be done, but you can use hydrogen and a little catalyst like we have used multiple times already, or because the CIS trans or indication does not matter or a terminal double bond, you can use lithium and liquid ammonia. This would generally give the trans orientation in the next reaction. We're reducing from a triple bond all the way to a single bond so we can use hydrogen and a palladium catalyst with carbon and this will reduce from our triple bond two single bond. Now, look closely at this last reaction. We can see that we are missing a carbon. So we know that this must have been cleaved. But it is not an ass. It is only and I'll do hide. So were we need to change your triple bond to a double bond and then Cleveland so we don't end up with an acid. So again, we will just reduce using Rajan and Elin. Liar. This will give us a double bond, which we can then cleave, leave to an elder hide. I'm going to use ozone. And then secondly, use think and an acid, and this will cleave off carbon and give you the requested out of hide. So this is the final answer to the reactions in this reaction diagram.

So now we house Erkki cops and we know one thing, Deke. Also true cops. So here is us one kings on doll. So we know 1/4 ecause who choking and also one problem. Recalls who? Full quarter. Then we can see the answer so wrong. One point eight silent for Fallon.


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