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This is a reaction between Tetrabutyl bromide as well as NaOH- with an indicator of .1% bromo-phenol blue. Explain the reaction is timed as well as whenever the solution changes from blue to yellow the timer were stopped.
OH + (CH3)3CBr (CH3) 3COH + Br
For trial one the molarities are T-butyl=.015M and NaOH=.005M the time the reaction took in seconds was 26.78(s). Which morality utilizes to determine the rate?
Xylose has the same structure as glucose apart from that it has a hydrogen atom at C-6 in place of a hydroxymethyl group. The rate of ATP hydrolysis by hexokinase is noticeably enhanced by the addition of xylose as opposed to glucose.
freezing point 0.00°C boiling point 100.00°C Kf 1.86°C/m Kb 0.512°C/m What is the freezing point of a solution of glucose, a nonelectrolyte, that contains 91.0 g of C6H12O6 dissolved in 323 g of water? Use molar masses with at least as many signif..
How many moles of ammonia are present originally? What is the theoretical yield of sodium bicarbonate in grams?
Calculate the vapor pressure lowering associated with the dissolving of 35.5 grams of sugar (C12H22O12, MM=343g/mol), in 400 grams of water at 25 degrees C. Ph2o @ 25 degrees=18.6 mmhg
A gas occupies 22.4 L at STP and 14.5 L at 100°C and 2.00 atm pressure. How many moles of gas did the system gain or lose?
Calculate the molar solubility of barium sulfate a) in water, and b), in a solution containing 0.60 M of sodium sulfate.
A sample of an unknowk gas effuses in 11.6 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.42 min. what is the molar mass of the unkown gas
What is the boiling point of a mixture composed of 95.0 g HOCH2CH2OH (ethylene glycol) and 205 g H2O? The boiling point elevation constant for H2O is 0.512 °C/m.
At a certain temperature the rate of effusion of helium is twice the rate of effusion of a gaseous X.X is a binary combination of carbon and hydrgen.
Determine the pH at the following volumes of titrat added: A.0.00mL B. 5.00 mL C. 10.00 mL D. 15.00 mL E. 20.00 mL F. 25.00 mL, Identify the amphoteric substance in this process.
You have prepared a saturated solution of X at 20C using 27.0 g of water. How much solute can be dissolved if the temperature is increased to 30 C?
A mixture contains H2 at 325 torr pressure, N2 at 475 torr pressure, and O2 at 650 torr pressure. What is the total pressure of the gases in the system
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