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How much heat is released upon converting one mole of steam (18.0 g) from 100.0 °C to water at 25.0 °C?
How much heat is released upon converting one mole of steam (18.0 ) from 100.0 to water at 25.0 ?
a 5.0 ml sample of vinegar was titrated with 7.2 ml of 0.55 m naohaq. if the density of the vinegar solution is 1.00
Explain why, in the 1H NMR spectrum of the product, the peak at 2.40 ppm has three times the integral value of all of the other peaks in the spectrum
We want to change the volume of a fixed amount of gas from 725ml to 2.05L while holding the temperature constant. To what value must we change the pressure if the initial pressure is 110kpa
Why two different proteins that are both 1500 amino acids long would travel together through the polyacrylamide gel in a single band containing both of the two different proteins.
Show the mechanism for the formation of methyl benzoate from methyl alcohol and benzoic acid
A stearic acid molecule consists of 18 carbon atoms linked together. Assuming that the thickness, t, of a monolayer is equal to the length of the stearic acid molecule, what is the size diameter of a carbon atom, s =t/18.
The accuracy of this experiment depends on good technique. Would the following techinque errors result in an erroneously high or an erroneously low calculated molarity of an NaOH solution
The activation energy of a certain reaction is 45.4kJ/mol. At 28 degrees celcius, the rate constant is 0.0150s^?1. At what temperature in degrees Celsius would this reaction go twice as fast?
Write the condensed structure of the primary alcohol (RCH2-OH type) with the general formula C4H10O.
A complex ion, [ML6]2+, is green in solution. assume if the same metal forms a complex with another ligand, Q, that creates a stronger crystal field. What color(s) could [MQ6]2+ be
the daily output of stomach acid gastric juices is 1000ml to 1400 ml. prior to a meal stomach acid hcl typically has a
Problem- Titanium metal is obtained from the mineral rutile, TiO2. How many kilograms of rutile are needed to produce 95kg of Ti
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