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For the reaction shown, calculate how many moles of NO2 form when 5.0 mol N2O5 completely reacts. 2 N2O5(g) 4 NO2(g) + O2(g)
if you prepare a 1.00 m solution of nh4clo4 beginning with water at 26.0c what is the final temperature of the solution
How would a calculated specific heat be affected if there is less water in the calorimeter that the value used in a calculation. Would it be higher, lower or unaffected
write ground-state electron configurations for these ions, which play important roles in biochemical processes in our bodies. (Use a noble gas core abbreviation)
What is the pH of the solution that results from the reaction of 120mL of 0.40 M HF(aq) with 120mL of 0.40 M KOH(aq) at 25 degrees C? Ka for HF is 7.2*10^-4.
Determine what volume would it occupy at zero degree Celsius temperature at same pressure? Express your Answer in units of mL
A 0.115 M solution of a weak acid (HA) has a PH of 3.33. Calculate the acid ionization constant (Ka) for the acid.
ttwo containers are connected by a stopcock. gas a is at pressure 202 kpa while gas b is at pressure 140 kpawhat will
Write two equations for the dehydration of 2-methyl-2-butanol. One should show the structures of both alkenes, and the other one should be balanced.
How much heat is required to convert 46.0 grams of ethanol in the liquid state at 25 degrees C to the vapor state at its boiling point of 78 degrees C, given the specific heat of the liquid is 2.3 J/g-K and its delta Hv is 38.56 kJ/mol
the melting point of water is 0.000c at 1 atmosphere. if 11.64 grams of chromiumii acetate 170.1 gmol are dissolved in
Draw the correct structure for (3S,4S)-3,4-dimethylhexane. Show stereochemistry clearly. To ensure proper grading, explicitly draw all four groups, including wedge/dash bonds
a cetrain pitchers fastballs have been clocked at 104 mph. calculate the wavelength of a .141-kg baseballin nm
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