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Assuming air is made up of 20% oxygen gas and 80% nitrogen gas, what molecules form when air is heated to 20,000K?
n2 is .070 moles o2 is 0.35 moles and co2 is 0.20 moles the total is pressure 1.55 atm what is the pressure of
A chemist performed a titration experiment in order to determine the concentration of a given aqueous solution of HCl (an acid). She pipeted 20.00 mL of the HCl solution into an Erlenmeyer flask.
Calculate the cost of ingredients to make one gallon of biodiesel from waste vegetable oil (WVO). Assume that all of the waste oil is converted to fatty acid methyl esters and that 1 gallon of WVO yields 1 gallon of FAME.
What volume of NaOH is needed to reach the end point of the titration? What was the initial concentration of HCl?
The average water loss during a triathlon is 1.40 L in one hour. The average time to finish a triathlon is 12.6 hours. How much sweat is lost in m^3?
if a nail polish remover contains 172mL of acetone how much heat is released in a complete combustion.
25.00 mL of 0.0200 M MnCl2 is titrated with 0.0250 M Na2H2Y. Both solutions are buffered to pH 8.20. Determine pMn after the addition of the following volumes (mL) of the Na2H2Y.
Suppose you had standard .1000 M NaOH ,an indicator, such as phenolphthalein, an analytical balance, and a micro-buret available. Explain how you could determine
What the Ideal and Van der Waals Pressure of ethane gas at temperature of 500K and Molar Volume of 7.28 x 10^-5 m^3/mol?
an aqueous cacl2 solution has a vapor pressure of 82.1 mmhg at 50 c . the vapor pressure of pure water at this
An unknown solution forms a white precipitate when treated with 6 M HCl. The precipitate is incompletely soluble in hot water but dissolves completely in NH3
a saturated solution of copper(I) chloride, CuCl, has [Cu^+]=1.1x10^-3 M and [Cl^-]=1.1x10^3 M. what is the value of Ksp for CuCl
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