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I feel like I must be missing something really obvious but I can't understand how to figure out these mole fractions without any information in terms of pressure etc.
Can you please help me walk through the steps-
5. Trimix is used for very deep diving. It is composed of three gases, usually helium, nitrogen and oxygen. The composition is denoted as percentage of oxygen / percentage of helium, e.g. 17/50 is Trimix with 17.0% oxygen, 50.0% helium and the rest is nitrogen. Assuming these as mass percents, calculate the mole fraction of each gas in the mixture.
Which of the following types of crystalline solids is malleable, ductile, and a conductor of electricity
Calculate the heat required to raise the temperature of 125 g of water are heated from 20.0oC to 100oC based on a specific heat of water of 4.184 J/g oC.
When a compound X, which contains only S, C, and H is burned, one volume of X yields 1 volume of sulfur dioxide, 3 volumes of carbon dioxide and 4 volumes of steam (all volumes measured at the same temperature and pressure). What is the formula of..
solving this question helps the student to understand how to find the limiting reactant alternate method and how to
Calculate the major product in the Williamson ether synthesis between 1-bromopentane and sodium 1-phenylethoxide. correct stereochemistry of the product must be shown in its with four bonds - with H - at the chirality center.
What would happened if HCl was accidentally used instead of Na2CO3 to extract caffeine from tea bags. Would you be able to fix your mistake. How
The neutrons from one treatment source have an average velocity of 3.4 x 10^7 m/s. If the velocities of the individual neutrons are known to within 2% of this value, what is the uncertainty in this position of one of them
If NF can interact with a transition-metal ion to form a chemical bond, what type(s) of ligand-metal interactions would be most important. Would you expect NF to be high or low in the spectrochemical series. Why
a manufacturer of metal polishing compound which can polish SS items by buffing method. Currently am using Calcined Alumina Polishing grade as a main ingredient but i need much more polish.
on a laboratory shelf was of undetermined concentration. If the pH of the solution was found to be 2.39, what was the original concentration of the acetic acid
Magnesium hydroxide, the active ingredient in milk of magnesia neutralizes stomach acid , primarily HCL, according to the reaction: Mg (OH)2 (aq) + 2 HCL(aq) ---> 2 H2 O (l) + Mg(OH)2(aq).
How many milliliters of a 0.210 M NaOH solution are needed to neutralize 25.0 ml of 0.125 M H2SO4(aq)? b) A 15.45 ml volume of 0.1327 M KMnO4(aq) is needed to oxidize 25.00 ml of a FeSO4(aq) in an acidic medium.
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