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For the reaction, A = B + C, the rate law is k[A]. If it takes 80.0 seconds for 70.0% of a 10.0 gram sample of A to be transformed into products, what is the value of the rate constant?
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A mixture of water and graphite is heated to 600 K. When the system comes to equilibrium it contains 0.13 mol of H2, 0.13 mol CO, 0.43 mol of H2O and some graphite
if 32 ml of 6.8 h2so4 was spilled what is the minimum mass of nahco3 that must be added to the spill to neutralize the
For an ensemble consisting of a mole of particles having two energy levels separated by 1000. cm-1, at what temperature will the internal energy equal 2.90kJ?
CH3OH can be synthesized by the following reaction: CO(g)+ 2H2(g)-> Ch3OH(g) What volume of H2 gas (in L), measured at 754 mmHg and 88 C, is required to synthesize 27.6g CH3OH
Starting with benzene, outline a synthesis of each of the following (many of the answers will require more than one step): 1-phenylcyclopentene, trans-2-phenylcyclopentanol
A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 62 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 33 s for 1.0 L of O2 gas to effu..
In the formation of smog, nitrogen and oxygen gas react to form nitrogen dioxide: N2 (g) + 2O2(g) ---> 2NO2 (g). How many grams of NO2 will be produced when 1.7L of nitrogen at 810 mmHg and 24C are completely reacted
What is the relationship between myelin sheath and dopmaine? What does myelin sheath do, how does it porvide insultion. What disease are caused when myelin sheath stops working and how does this effect elderly people?
What is the charge on magnesium iodide? What does the charge on the magnesium ion have to do with the number of valence electrons that an atom of magnesium has?
Gaseous carbonyl sulfide reacts according to the balanced equation. If a total of 3370 kJ of heat is generated in the reaction as written, how many moles of SO2 are produced?
calculate the concentration (molarity) of AgCl in a saturated solution.
The lowest molecular weight on the list of unknowns is formic acid, MW = 46.03 g/mol. Your titration volume should be between 10 mL and 50 mL. What is the smallest and largest masses of formic acid that would give titration volumes within these li..
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