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If the system below is at equilibrium in a closed vessel and the vessel was heated, what would be expected to happen? HN3(l) 2 H2O(l) <--> N2H4(l) + HNO2(l) ?Hº = +641 kJ Question 3 options: The equilibrium amounts would stay the same the equilibrium would shift to the right making more reagents the equilibrium would shift to the left making mroe reagents the equilibrium would shift to the right making more products the equilibrium would shift to the left making more products
What is the average molar mass (in g/mol)? What is the relative standard deviation(RSD) in parts per thousand (ppt)? Report your answer to the correct number of significant figures.
State whether each of the following experimental errors would raise or lower the mass of the recovered product:
What is the percent hydrogen (H) by weight of a solution containing 53.5mL of CH3COCH3? The density of acetone is 0.788 g/mL
The most common source of copper is the mineral chalcopyrite. How many kilograms of chalcopyrite must be mined to obtain 320. of pure copper?
what radial position is the velocity of an individual fluid element equal to the average velocity of the fluid? (r= r subscript c and 0
a sample of helium gas initially at 37 degrees celsius, 785 torr and 2.00L was heated to 58.0 degrees celcius while the volume expanded to 3.24L. What is the final pressure in atm.
Determine the pH at the equivalence (stoichiometric) point in the titration of 22.0 mL of 0.938 M HNO2 by 0.590 M LiOH. The Ka of HNO2 is 4.3 x 10-4.
Analysis of two unknown organic structures, Unknown compound A (C8H12) is reacted with H2 (excess) in the presence of a palladium catalyst forming compound B (C8H16).
The solution is connected to a SCE referece cell (Esce = 0.241V) and a potential of Ecell= 1.169 V is measured. determine the concentration of BrO3 (aq) in the solution
How many grams of dry NH4Cl need to be added to 1.50 L of a 0.800 M solution of ammonia,NH3 , to prepare a buffer solution that has a pH
In a Diels-Alder reaction between 1mL (12mmol) of cyclopentadiene and 1.393 g (12mmol) of maleic acid, How do you calculate the Theoretical Yield
if the the atmospheric pressure is 685 mm Hg, what would the partial pressure of oxygen and of nitrogen be?
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