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Draw molecular structure of the following compounds. Identify the : paraffins, olefins, alkynes, naphthenes,and aromatics.
a. Propylbenzeneb. 2,3,3-Trimethylpentanec Cyclopentaned.1,2-Dimethylcyclohexanee. 1,2,4-Trimethylbenzenef. 1-Methyl-1-ethylcyclohexaneg. 1,1-Dimethylcyclopentaneh. 2-heptynei. 3-Ethyl-1-hexene
The element lithium has two naturally occurring isotopes, 7Li (isotopic mass 7.0160 amu, abundance 92.5 %) and 6Li (isotopic mass 6.0151 amu, abundance 7.50 %). Calculate the atomic mass of lithium.
a balloon filled with helium gas at 1.00 atm occupies 15.6 L. What volume would the balloon occupy in the upper atmosphere, at a pressure of .15 atm
Explain which of the following aqueous solutions has the strongest ion-dipole attractions: 0.3 M FeBr3, 0.6 M CaCl2, 0.5 M Ba(NO3)2, 0.2 M (NH4)2SO4, 0.9 M KOH
All molecular compounds may have London, dipole-dipole, and hydrogen-bonding intermolecular forces affecting their physical and chemical properties.
when a metal was exposed to light at a frequency of 4.63*10^15 Hz, electrons were emitted with a kinetic energy of 3.10*10^-19 J.
Calculate the equilibrium concentrationsfor this dissolution reaction if one mole of the solid is placed in 1.00 L of water (assume adding the solute does not change the volume of the solution
Would the pH of a 0.10 M formic acid (HCOOH) solution be higher or lower than the pH of a solution containing 0.10 M formic acid and 0.10 M sodium formate
Discuss how nitrogen, once fixed, enters into anabolic biochemical reaction pathways. Your discussion should include how it is eventually
If 28 mL of NaCl reacts completely with 46 mL of 0.44 AgNO3, what is the molarity of the NaCl solution? The reaction is: AgNO3 + NaCl = AgCl + NaNO3
you have dissolved 0.298 g of soda ash into 80 mL of deionized water. It took 19.8 mL of 0.0998 M HCl to titrate the solution to the second equivalence point. What is the percent Na2CO3 in the soda ash?
The density of lead is 11.3 . The water level in a graduated cylinder initially at 205 rises to 290 after a piece of lead is submerged. What is the mass in grams of the lead?
A gaseous mixture containing 0.150 mol fraction of carbon tetrachloride (CCl4) and 0.850 mol fraction of dry air is initially at 65.0°C
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