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Write an equation for the dissociation that occurs when NaCl is mixed with water. Calculate the effective molality for the NaCl mixture. 120 g of salt and 600 g of H2O
At least how many standard solutions would you need to make a calibration graph, assuming that the graph is expected to be a straight line
What volume of .305M AgNO3 is required to react exactly with 155mL of .274M Na2SO4 solution
Draw the enantiomer of proline which would give rise to the absolute stereochemistry and draw a proposed catalytic cycle for the transformation and how does the catalyst activate the substrate
Alkenes and non conjugated dienes usually have absorption maxima below 200nm. Compounds that have conjugated multiple bonds have maxima at wavelengths longer than 200nm.
An impure sample of sodium carbonate, (Na2CO3) is allowed to react by dissolving it in an aqueous solution of 0.134 M HCl, according to the following reaction:
In the Haber-Bosch Process, nitrogen and hydrogen gas are reaceted under high temperature (500 C) and pressure (200 atm) to form ammonia gas (NH3) according to the equation
thirty pounds of methane are held in a sealed container at 100 degrees F. The volume of the container is two cu ft. Calculate the volume of gas in the container.
Calculate the volume change associated with the adiabatic expansion b) Calculate the heat flow, work and entropy
what is the maximum pressure that will be attained in the tank before the plug will melt and release gas?
An average human DNA molecule has 5 X 10^8 binucleotides (rungs on the DNA ladder) of four different kinds. If each rung were a random choice of one of these four possibilities, what would the residual entropy associated with this typical DNA mole..
A 122 piece of metal is heated to 285 and dropped into 84.0 of water at 26. If the final temperature of the water and metal is 58.3, what is the specific heat of the metal.
If, in a certain experiment, over a specific time period, 0.0055 mol PH3 is consumed in a 2.3 L container during each second of reaction,
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