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What is the structural formula of the geminal dichloride that is necessary to make 2,3,3,6,6,7-hexamethyloct-4-yne? I dont even know where to begin can someone please help?
A Scientist uses an ultra-high vacuum chamber that has a pressure of 6.5x 10^-12 torr. If the temperature is 298 K, how many molecules are there in 2.0 cm^3? What is the molar volume
If a temperature increase from 19.0 to 37.0 triples the rate constant for a reaction, what is the value of the activation barrier for the reaction
What would be the result of a column chromatographic separation if the column chromatography was to be performed in the following eluents:
A gas originally at 27 degrees celsius and 1.00 atm pressure in a 3.9 L flask is cooled at constant pressure until the temperature is 11 degrees celsius. determine the new volume of the gas and express your answer in Litre.
A 26.0-g sample of ice at -11.0°C is mixed with 123.0 g of water at 90.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Without referring to a table, select from the following list the gas that has the largest value of b in the van der Waals equation: CH4, O2, H2O, CCl4, Ne.
sample melts before you were ready to read the temperature. Should you cool the capillary and start again or prepare a fresh sample? Explain.
A gas is placed in 1.23 L sealed container at a pressure of 0.500 atm and a temperature of 23.0 C. The temperature of the container is increased to 100.0 C.
A volume of 60.0 mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4)What was the molarity of the KOH solution
A solution of salicylate dianion is prepared by mixing 0.158 g of reagent grade acetylsalicylic acid in 5 mL of 1 M sodium hydroxide and heating the mixture until all of the solid dissolves.
If you used the 9000 kilojoules you expend in energy in one day to heat 51000 {rm g} of water at 23^circ {rm C}, what would be the rise in temperature?
Write a chemical equation for the reaction corresponding to the standard enthalpy of formation of N2O5 (g) and determine its value from the following thermochemical data
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