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For the combustion of hydrogen gas to form water vapor: how many liters of water can be made from of oxygen gas and an excess of hydrogen at STP?b) How many liters ...

Question

For the combustion of hydrogen gas to form water vapor: how many liters of water can be made from of oxygen gas and an excess of hydrogen at STP?b) How many liters of water can be made from 55 grams of hydrogen gas and an excess of oxygen pressure of 12.4 atm and temperalure of 850 C?

For the combustion of hydrogen gas to form water vapor: how many liters of water can be made from of oxygen gas and an excess of hydrogen at STP? b) How many liters of water can be made from 55 grams of hydrogen gas and an excess of oxygen pressure of 12.4 atm and temperalure of 850 C?



Answers

How many liters of hydrogen gas are collected over water at $18^{\circ} \mathrm{C}$ and $725 \mathrm{mmHg}$ when $0.84 \mathrm{~g}$ of lithium reacts with water? Aqueous lithium hydroxide also forms.

Hi guys. Let's solve the problem. 5.50 51 58. How many liters of hydrogen Indians collected over water and it in Vegas? Inches and 75 million won. Carly, When is there a 0.84 grams? So the 10 drinks with walking? It's straight down the bell in situation from this direction. Let's skate the information given the action takes place. End It didn't. Did you sentience Mishcon wanted to the girl with the spin which gives stooling doing Giving me the pressure is 7 25 You did more than just did that. A game which gave 0.954 and the mayor So 10 given me 0.84 grand. No, let's find us a number of months softly. Timmins. Won't we know there? Morning, Miss. Is it going to miss by number off. Therefore number one surgically 10 is miss leaving. Is there one date for Graham? Other mass of detainee is explained. My poor one. Grandpa one These give themselves They don't want to worn off him? No, From the connection, we see that more so pretend reps to be one more off religion. Four number of himself hydrogen. He's Oh, the number one. So let him. You just gotta believe today. Therefore, the number of months of hydrogen is 106 morning. No room. I didn't guess. Law, we know Bebe is a pinto. From here, we can separate the hydrogen bomb member of once. We just calculating 06 more Can't sponsor deserve 10 a room Convention even is to 91 living. The pressure is 0.954 it in these games 1.5 leader they fought. The volume of hydrogen gas produced is 1.5 litre.

Question 47 is also a gala sacks law of combining volumes question, and also it takes into account volume percentage. So we need to have a balanced chemical reaction of octane combusting, reacting with oxygen, producing carbon dioxide and water in order to figure out the volume of oxygen that is required. And then we need to use the volume percent to figure out the volume of air that would supply the needed volume of oxygen. So let's get started. Here is the reaction octane. Reacting with oxygen produces carbon dioxide and water to balance it. We have eight carbons here, so we need eight carbon dioxides. We have 18 hydrogen, so we need a nine here for 18 hydrogen. That's then going to require 25 halves. We've got 25 oxygen's on this side nine plus 16. So we need 25 halves. Here they were, then multiply everything through by two to get rid of the fraction. This is what we have for the balanced chemical reaction. So one volume of this combines with 25 volumes of oxygen to produce 16 volumes of carbon dioxide in 18 volumes off water vapor. This, of course, is true, assuming that the temperature and pressure is constant for all the reactant and products. So if we have 25.0 leaders of octane, we can convert the leaders of octane to leaders of oxygen that is required by theme the to 2 25 relationship. Then, knowing the volume of oxygen that is required to combine with 25 leaders of octane, we need to take into account the volume ratio of oxygen and air for every 100 leaders of air. We have 20.9 leaders of oxygen. This now allows us to convert leaders of oxygen to leaders of air, and we get 1500 liters of air that's required for the second. Part of the question is asks what volume of each product is produced? Well, it be a similar calculation where we start with the leaders of octane and then go to leaders of a product using the volume relationships from the coefficients, and we get 200 liters of carbon dioxide and then 25 leaders of octane. Using the 2 to 18 relationship produces 225 liters of water

Pressure after tank is given Bonded and 101 kg. Pastor, 1.1 10 to depart. 5% or one atmosphere. Moeller molds off as to 8.6 point two. That is, for number of words of auto Total number of tools four plus 2 36 PBS call to an arty so volume you can find. And Artie, by pressure, substitute the value number about six. Our is 81314 temperature is given 2 73 plus 1 25 degrees. Searches upon pressure. 1.1 came to the power fight. So it just doing not a minute. Okay? Yeah, yeah. 0.1 night. 657 m, too. Yeah, The park. This is the answer of be parties two h two plus four to each quarter to H two after reduction After reaction, Moles of substance left it left for us to it is zero. And for oxygen, it is zero and edge to will be full. Mm. So PVs go to an arty suppression With me. Substitute is about a number of months. 8.314 Uh huh. So it is 2.673 atmosphere. Mm. He had mhm that son. Thanks for my

Okay, so the equation that we're working with is two H two gas Plus 0. 2 gas Gives us two H 20. Gas. And we know this releases -484 Killer Jewels. They've also given us the heat of vaporization, which would allow us to convert this to liquid water. But this is unnecessary information. We don't want to convert it to liquid water. They've asked us what if we want to do to convert it to gashes water. So this is kind of extraneous information that we're we're just supposed to ignore. So what we'll do is we'll start with our seven 60 killer jewels, killer jewels to malls or go to And then we'll change moles of 0.2 two g of 0.2. That's the whole point of some of these questions to just kind of figure out which information you need and which information is extraneous. So everyone more where is going to give us -484 killed yours. So this will give us a mass of oxygen of 502 grams. Yeah,


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