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What are the Celsius temperatures of the following conditions?
Body temperature, ice freezing, water boiling, room temperature?
The reaction that occurs in a Breathalyzer, a device used to determine the alcohol level in a person's bloodstream, is given below. If the rate of appearance of Cr2(SO4)3 is 1.64 mol/min at a particular moment, what is the rate of disappearance of..
Question- A sample of rainwater is observed to have a pH of 7.4. If only atmospheric CO2 at 380 ppm and limestone dust are present in the atmosphere to alter the pH from a neutral value, and if each raindrop has a volume of 0.02 cm^3, what mass of..
Find out the end (final) value of n in a hydrogen atom transition, suppose the electron starts in n=2 and absorbs a photon of light with a frequency of 4.57 x 10^14 Hz
175g of water at 86.0 degrees C were added to a perfect calorimeter conataining 103 grams of water at 18.5 C. What is the final temperature of this water mixture?
Provide a chemically sound explanation for a missing 3rd equivalence point on titration curve of phosphoric acid. Which of the inflection points is more easily observed and why
How many ml of a 0.050 M kMno4 solution are required to oxidize 2.00 g of feso4 in a dilute solution
Older glucometers rely on colormetric detection. The Modern glucometers rely on a different detection method for measuring blood glucose levels. Explain the general mechanism utilized for detection by modern glucometers.
Why is I2 the limiting reactant in the form of SnI2. look at the redox potentials for all possible reactions.
A sample 60 mL solution of hydrochloric acid (HCl) is titrated with 0.2 M NaOH. The volume of base necessary to reach the equivalence point is measured to be 25.403 mL. Explain what was the original concentration of the acid
question rhenium-186 is a szlig-emitter with a half-life of 90.0 hours. how long would it take for the activity in a
A mixture of 30 mol% CO, 65 mol% H2, and 5 mol% N2 is fed to a methanol (CH3OH) synthesis reactor, where the following reaction occurs
Which atom has the least attraction for the electrons in a bond between that atom and an atom of hydrogen?
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