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At the boiling point of water,the Fahrenheit temperature is 112 degrees higher than the Celsius value. At the the freezing point the difference is only 32 degrees. At what temperature do both scales have the same reading? Show work.
Describe how you think humans detect odors and why certain substances smell the way that they do. Do not look up this information. Just provide your initial thinking on how this works
A 5.0 dm3 sample of oxygen at a pressure of 200kPa and 2.0dm3 sample of nitrogen at a pressure of 500kPa are introduced into a 2.5dm3 vessel.
How many seconds would it take to deposit 0.500 g of Ni metal on an electrode by passing a 3.00 amp current through a solution of Ni2+
Perform the following mathematical operations, and express each result to the correct number of significant figures. 0.19*6.022*10^23
Classify the following compounds and ions as strong acid, weak acid, strong base, weak base, or neutral. For each write the reaction(s) that justify your decision. If a substance is amphiprotic, show both reactions.
Vinegar contains 5.0g of acetic acid in 100mL of water. What is the pH of vinegar
Example on how to make up a buffer: A student has 100 mL of 0.1 M acetic acid and has plenty of 0.1 M sodium acetate and wants to make up a buffer with pH = 5.1.
Name the complex ion present when the followng compounds are dissolved in water and determine the number of moles of each species present if one mole of the compound is dissolved
Calculate the change in pH to 0.01 pH units caused by adding 10. mL of 2.17-M NaOH is added to 470. mL of each of the following solutions.
When an aqueous solution that is 1M each in HCl, ZnCl2, and CoBr2 is electrolyzed, the elemental products formed initially at the cathode and anode are, respectively
The acid catalyzed dehydration of 4-methycyclohexanol to 4-methycyclohexene is a reversible reaction that can be shifted to the alkene product according to le chaterlier's principle. Briefly explain how distillation brought about this shift in equ..
The company is interested in the drug's value because only the dissociated form of the chemical is active in preventing cholesterol buildup in arteries.
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