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The rate at which a certain Australian tree cricket chirps is 188/min at 29°C, but only 36.8/min at 3°C, From these data calculate the energy of activation for the chirping process. (Hint: the ratio of the rates is equal to the ratio of the rate constants.) Enter in units of kJ/mol.
Explain why the fluoride ion of the terabutylammonium flouride is more nucleophilic than the fluoride ion of sodium fluoride. Draw reaction-energy diagrams. Define the term, "diastereospecific reaction," and give a representative example.
How many grams of dry NH4Cl need to be added to 2.40L of a 0.400M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.91? Kb for ammonia is 1.8X10^-5.
Draw a Lewis Structure for C3O2. Draw a Lewis Structure for C2H3NO5
The sample required 42.8ml of 0.0175M permanganate to reach the end point. What is the concentration of hydrogen peroxide in the origina sample
A solution of 2.505 g of BHT in110.0 g of benzene had a freezing point of 4.600°C. Explain what is the molecular weight of BHT
How to Separate and isolate following compounds: 50% ethyl 4-aminobenzoate, 40% of benzoin, and, 10% 1-4 dibromobenzene.
Calculate the mass of KI in grams required to prepare 9.00 102 mL of a 1.00 M solution.
If the average mass of a single hydrogen atom is 1.67x10^-24g , what is the mass in grams of 6.02x10^23 hydrogen atoms
what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 7.5 104 kg of coal that is 0.33 mass % sulfur?
Assume water boils at 100.0 C in Houston(near sea level) and at 90.0 C in Cripple Creek Colorado(near 9, 500 feet). If it takes 4.7 min to cook an egg in Cripple Creek and 4.4 min in Houston, what is Ea for this process? Enter your answer in scientif..
Specify the volume of mineral water to add to each of the five flasks.
Question- A 25.00 ml sample of 0.250 M hydrochloric acid is completely neutralized with 0.125 M sodium hydroxide solution. The millimeters of the NaOH solution required are.
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