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State whether the following compounds are Miscible or immiscible? If possible please give a short explanation of each.
1. Water and Ethyl alcohol
2. Water and Diethyl ether
3. Water and metylene chloride
4. Hexane and methylene chloride
When heated, cyclopropane is converted to propene. Rate constants for this reaction at 470 deg C and 510 deg C are k= 1.10 x 10^-4 and k2=1.02 x 10^-3. Determine the activation energy.
a gas sample has a volume of .150 L at a temperature of 256 K. What volume will the gas occupy at 288K?
The specific heat of an unknown metal is found to be 0.233 J/K g. The Law of Dulong and Petit predicts a molar heat capacity of 26 J/K mol. Use this law to estimate the molar mass of the metal.
what is the simplest formula for chalcocite if a sample of this ore contains 8.274 g copper and 2.088 g
Draw the Lewis dot structure for the CIBr5. What is the molecular geometry? a) trigonal bipyramidal b) square pyramidal c) square planar d) seesaw
avogadros number is big. if you had 6.02 x 1023 dollars and could spend it at 1 billion 109 per second for your entire
Show the bond angles which are at least slightly different that are shown by the H2CCBr2 molecule.
How many grams of oxalic acid dihydrate are needed to react with 38.56 mL of a .2500M sodium hydroxide solution
A solution contains 8.88g of KBr in 500.0mL of solution and has an osmotic pressure of 6.97atm at 25 C. Calculate the van't Hoff factor (i) for KBr at this concentration.
Kn1 knowledge and understanding of atomic and molecular structure, chemical bonding, chemical formulas, chemical equations, mole calculations and the mole concept and the relation between elements of the Periodic Table.
Nitrating Acetanilide- draw the resonance forms for the arenium ion formed during your reaction (nitroacetanilide)
what is the pH of a Tris buffer (pka 8.1) prepared by adding 20 mL of 1M HCl to 100mL of a solution of 0.3M Tris
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