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A 100.0 mL sample of 0.300 M NaOH is mixed with a 100.0 mL sample of 0.300 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.00°C and the temperature of the resulting solution was recorded as 37.00°C, determine the ??H°rxn (in units of kJ/mol NaOH) for the neutralization reaction between aqueous NaOH and HCl.
Calculate the change in the molar Gibbs energy of hydrogen gas when its pressure is increased isothermally
What is the composition of this mixture on a %, by mass, basis? Show all calculations; report answer to the maximum number of significant figures possible
What would the net ATP yield if a muscle cell takes a glucose molecule, stores it as part of a glycogen molecule and later releases it and sends it through glcolysis.
calculate how many mL of 0.200 M NaOH (aq) would be needed to react with the malic acid sample from step c.
In most amines, the nitrogen atom is hybridized, with a pyramidal structure and bond angles close to 109 . In urea, both nitrogen atoms are found to be planar
why during a GC is the boiling point for some samples higher than the final temperature used during the run yet these samples still run
if the the atmospheric pressure is 685 mm Hg, what would the partial pressure of oxygen and of nitrogen be?
Oleum or fuming sulfuric acid available commercially in concentrations ranging from 20 to 99.9% sulfur trioxide.
Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients. When carbonic acid decomposes, water and carbon dioxide are formed.
Calculate the slope of the straight line 2. What is the density of the substance 3. Briefly explain why it is more accurate to use the slope of the plot to determine the density than it is to use data from a single determination
how many atoms of copper are there in this wire?
9.92 grams of a compound with a molar mass of 124.0 grams/mole when dissolved in 150.0 grams of water gave a solution which had a freezing point of -2.69 °C. Calculate the experimental value of the van't Hoff factor.
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