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Molecular mass of a sample of 0.299 g of a gas in a 0.220 L bulb under a pressure of 0.757 atm and at a temperature of 250 C
The rate law for the rearrangement of methylisocyanide (CH3NC) to acetontrile (CH3CN) at 800 K is:
Experimental procedure, part A. whats is the procedure for preparing 250 mL of 0.0210 M Na2S2O3 for this experiment from a 100 mL volume of standard 0.106 M Na2S2O3?
A student adds an excess (more than she needs to react completely) of solid sodium hydrogen carbonate to a beaker containing exactly 675 mL of 0.220M coper(II)nitrate aqueous solution.
170mL of an HCl solution with pH of 2.80 is added to 200mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution
Construct a simulated 1H NMR spectrum, including proton integrations, for CH3OC(CH2OCH3)3. Drag the appropriate splitting patterns to the approximate chemical shift positions;
How many moles of carbon monoxide react with 1 mole of oxygen gas according to the balanced chemical equation?
What is the balanced chemical equation for its reaction with nitric acid? Write the balanced chemical equation for its reaction with a potassium hydroxide.
How many kilograms of water must be processed to obtain 4.0 L of D2 at 24°C and 0.91 atm pressure? Assume that deuterium abundance is 0.016 percent and that recovery is 64 percent.
A 15.0-g sample of a hydrocarbon is placed in a balloon at 1.00 atm and 25°C, and the volume of the balloon is 12.2 L. The hydrocarbon is 79.89% carbon and 20.11% hydrogen by mass. Determine the molecular formula of the hydrocarbon.
To determine the percent acetic acid (mass percent) in a vinegar sample, you perform a titration using a 0.2508 M NaOH standard solution. A 20.62-mL volume of the NaOH solution is required to reach the endpoint in the titration of a 7.248 sample o..
Draw a series of titration curves for the titration of a strong base with a strong acid where the concentration of the acid is 10 -1 , 10 -2 , and
The molar enthalpy of vaporization of boron tribromide is 30.5 kJ/mol, and it's normal boiling point is 91degrees C. What is the vapor pressure of BBr3 at 34 degrees C.
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