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Which of the following pairs of molecules is listed in order of decreasing net dipole moment (from more polar molecule to less polar molecule)?
A. CCl2F2 > CH2F2
B. SF4 > CF4
C. CO2 > SO2
D. XeF4 > SeF4
The tire is filled with dry air at sea level and a temperature of 60F to 32lb/in^2. Standard sea level pressure is 101325 Pa at 0 degree C (STP). How many moles of air are contained in the tire. How many molecules
A 10.0 mL sample of vinegar, an aqueous solution of acetic acid (HC2H3O2), is titrated with 0.5062 M NaOH, and 16.58 mL is required to reach the equivalence point. What is the concentration of the acetic acid?
Chlorine was passed over 1.30 g of heated titanium, and 4.20 g of a chloride-containing compound of Ti was obtained. What is the empirical formula of the chloride-containing compound
What is the difference in water solubilities of fumaric and maleic acid? Which one is more water soluble?
Determine how much heat is evolved or absorbed when 25.0 of lithium iodide completely dissolves in water. Lithium iodide has a lattice energy of -7.3 X 10^2 kJ/mol and a heat of hydration of -793 kJ/mol.
What mass of melamine, C3N3(NH2)3 will be obtained from 162.0 kg of urea, Co(NH2)2 if the yield overall reaction is 80%
Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH-] is 1 x 10-11 mol/L. Is this solution acididc, basic, or neutral?
Which element formed, according to the theory of the Big bang, before the first generation of galaxies formed
if i have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 liter what will the new pressure inside the piston be?
An IR spectrum for a sample of this solvent is found to show no appreciable absorbance in the region of 1700 cm-1. Of the given possibilities, what is the most likely identity for this paint solvent
A gas occupies 0.500L at 1.20 atm. what pressure is necessary to change the volume to 0.700L?
Calculate the Ka value of a 0.2 M solution of the monoprotic acid, propionic acid, CH3CH2CO2H. The measured pH is 2.44.
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