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Explain how many moles of gas must be forced into a 3.4L ball to give it a gauge pressure of 9.2psi at 21C? The gauge pressure is relative to atmospheric pressure. Presume that atmospheric pressure is 14.5psi thus that the total pressure in the ball is 23.7psi
At a temperature of 273.15 K and pressure 1 atm many gases have approximate volume of 22.4 L. What is speed of He Atoms
Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
Suppose the maxium pressure the vessel can safely with stand id 1.60 atm. what is the maxium temperature in K the gas can have before its pressue might burst the vessel
which is a better method for background correction and why? D2 or Zeeman? Could you list advantages and disadvantages of each?
A solution is made by combining 15.0mL of 18.5M acetic acid with 5.60g of sodium acetate and diluting to a total volume of 1.50 L. Calculate the pH of the solution.
Describe, in detail, the structure of ATP and its function in oxidative phosphorylation and photosynthesis
Consider the following chemical equations: A) Fe2O3(l) + Al(l) ---> Fe(l) + Al2O3(s) If 25.0 g of molten iron(III) oxide reacts with 475 g of aluminum, what is the mass of the iron produced. B) Al(OH)3(s) + H2SO4(l) ---> Al2(SO4)3(aq) + H2O(l) If ..
Explain what is the number of radioactive K-40 nuclei if Nt =6.27 x 10 to the negative 4 x 1 mole k-40/Molar mass x 6.022 x 10 to the 23/ 1 mole
since 1 mole of NaOH reacted for each 1 mole of acetic acid in solution, what is the number of moles of acetic acid present in a 10.0 mL sample of vinegar
Imagine that you have a 5.50 L gas tank and a 2.00 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch
Write balanced net ionci equations for the following electrolysis reactions using platinum electrodes 1. aquos potassium fluoride
How many atoms are contained in a titanium sphere having a diameter of 18 mm? The density of titanium is 4.506 g/cm3. Calculate the volume of 5.2 mol of water. Assume that the density of water is 1 g/mL.
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