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A gas mixture is made by combining 7.9g each of Ar and Ne and an unknown diatomic gas. At STP the mixture occupies a volume of 18.73L. What is the molar mass of the unknow gas?
Find the moment of inertia about the x-axis of the lamina that has the given shape and density (rho). Round in the thousandths place. y = x^2, y = sqrt(x); rho(x, y) = x^2
A 45.0-L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?
What other substance(s) found in chocolate bear(s) a strong structural resemblance to caffeine? Draw the structures of these substances and point out the similarities.
What is the mole fraction of solute and the molal concentration for an aqueous solution that is 10.0% NaOH by mass
What is the HCl concentration of 33.7 mL of 0.350 M NaOH is required to titrate a 30.0 mL sample of the acid?
Show your work in finding the partial pressure of the nitrogen gas, PN2. 2) Show your work in finding the mass of the nitrogen collected
How much heat (in kJ) is required to warm 16.0g of ice, initially at -11.0 C, to steam at 112.0 C? The heat capacity of ice is 2.09 J/g*C and that of steam is 2.01 J/g*C.
Predict the order of melting point, from low to high, for the following compounds, based on intermolecular forces: CaF2 H2O H2S CH2Cl2 N2
why is significant serum (in the blood stream) chlorestrol reduction so difficult, and why do most of the drugs designed to reduce
Determine [Zn2+] [CN-] [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.390. The Ksp for Zn(CN)2 is 3.0x10^-16. The Ka for HCN is 6.2x10^-10.
There are 250g of Acetic Acid and 250g of Aluminum Hydroxide. What is the maximum amount of Aluminum Acetate that can be produced and which ingredient is the limiting reactant
Write a balanced equation for the yeast using glucose to produce energy, etanol and carbon dioxide.
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