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Choose the selection which correctly characterizes all three of the following substances in terms of whether they are polar or nonpolar: CS2 and XeF2 and GeH4 a) CS2 is polar and XeF2 is nonpolar and GeH4 is nonpolar. b) CS2 is nonpolar and XeF2 is nonpolar and GeH4 is polar. c) CS2 is nonpolar and XeF2 is polar and GeH4 is nonpolar. d) CS2 is polar and XeF2 is nonpolar and GeH4 is polar. e) CS2 is nonpolar and XeF2 is nonpolar and GeH4 is nonpolar.
You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa). What will the pH of this solution be after the addition of 20.0 mL of 1.00 M NaOH solution
Calculate the energy released when a 28.9 gram piece of copper is cooled from its melting point of 1083 degrees C to 25.0 degrees C. The specific heat of copper is .385 J/g degrees C.
How would benzephenone move on a TLC compared to an alcohol? and WHY do they move differently.
Given the parent compound, draw the mass spectrum fragment that is observed at m/z 77. Include any hydrogen atoms and the charge.
Calculate the standard potential for this cell at 25 °C. Standard reduction potentials can be found here.
Explain why bromination of cyclohexene produce trans 1,2-dibromocyclohexane
What is the pH of a buffer prepared by adding 0.45 mol of the waek acid HA to 0.608 mol of NaA in 2.00 L of solution? The dissociation constant Ka of HA is 5.66e-7
You forgot to label your layers after extractio, describe a fast method for determinng which layer is your organice phase
A two-component mixture of volatile liquids was separated by gas chromatography using a 15 meter capillary column. The separation was insufficient with this column to see resolution of both fractions.
if 2.29 moles of argon gas are added to 3.5L of a 6.58 mole sample of argon gas what is the final volume
calculate w for the following reactions that occur at 298k and 1 atm pressure, CO2(g) + NaOH(s) -> NaHCO3(s) and 3O2(g) -> 2O3(g)
The temperature of 55.6 g of a material decreases by 14.8C when it loses 3080 J of heat. What is its specific heat?
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