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a compound c10h14 shows an ir peak at 745 cm-1 its 1h nmr spectrum has peaks at delta 718 4 h broad singlet 270 4 h
32 grams of a compound with a molar mass of 960 gmol dissolved in 500 grams of water gave a solution which freezes at
how much energy in kilojoules is released when 134 of steam at 1225 is condensed to give liquid water at 715 the heat
a 05 m buffer will require five times as much acid or base as a 01 m buffer for a given ph changestarting with 65 ml of
state the chemical formula of salt and classify the bond as ionic polar covalent or non-polar
you have 4000 ml of an aqueous solution containing two analytes 0400 m hydroxylamine honh2 and 015 m sodium hydroxide
isopentyl acetate a molecule composed of c h and o smells like bananas combustion analysis of 1750 grams of this
benzyl alcohol although a primary alcohol reacts very rapidly in the presence of hcl forming benzyl chloride whya the
if 597 ml of a solution contains 254 mg of sodium ion what is the molarity of the sodium chloride
usually as a solution cools the solvent will crystallize out of the solution as the pure solvent what effect will this
sometimes as a solute dissolves in a solvent the solute molecules dissociate to some extent sometimes solute molecules
the combination reaction of sodium metal and chlorine had to form sodium chloride is represented by this
the synthesis of the activated form of acetate acetyl-coa is carried out in an atp-dependent processacetate coa atp
estimate the mass of potassium hydrogen phthalate khp that will require 25 ml of 010 m naoh to reach the equivalence
1 what mass of nacl is dissolved in 200 g of water if the freezing point of the solution is -214 degc kfwater 186
306 ml of a 0208 m solution of silver nitrate will react with 146 ml of a 0170 m solution of sodium phosphate to
a liquid has an equilibrium pressure of 130 torr at 25c and is placed into a 1l vessel what is the pressure difference
if i use 0212 g of benzaldehyde 16ml of a solution containing 58 mg of acetone in ethanol what is my mols of
ten milliliters of a 5 x 10-3 m solution of cl- ions are reacted with a 0500 m solution of agno3 what is the maximum
what causes an atom molecule or ion to be paramagnetic which of the ions pb2 pb4 s2- fe3 zn2 are paramagnetic what term
in order to determine experimentally the specific heat of lead a student weighs 1500 g of lead shot this sample is
a sample of hard water has 15g ca2 in every 500ml of water calculate the molality an ppm ca2 in this
when agueous solutios of agno3 and nai are mixedagi precipitates what is the balanced net ionic
to measure the volume of an irregularly shaped container filled with water 100 ml of 200 m potassium chloride solution