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The burning of a piece of paper in air (to produce CO2 and H2O vapor) is a spontanous reaction exothermic reaction
A)What would be necessary to start this reaction?
B) After the reaction starts what provides the activitation energy for the reaction to continue?
Calculate the average absorbance and use this value for an absorbance point on your graph. Use the printed graph from above, find the average Absorbance of the unknown on the y-axis
The Henry's law constant for N2 in water at 37 °C is 8.2 × 10-7 M/mm Hg. What is the equilibrium concentration of N2 in water when the partial pressure of N2 is 605 mm Hg?
Considering that Xenon has eight valence electrons, how can something like XeF4 exist? Explain your answer by illustrating what occurs.
If a gas is collected over water at 30.0oC in a 50.0 ml container and the pressure of the "wet" gas is found to be 645 torr, what would the pressure of the "dry" gas be in the same container and temp.
A gaseous mixture of rm O_2 and rm N_2 contains 36.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 485 mmHg?
Write the reactions responsible for the LIQUID PHASE oxidation of S(IV) to S(VI), and show how the oxidation can lead to a decrease in pH of rain water.
Construct a frost circle for imidazole with one 2p orbital on each atom of the ring, and show relative energy of all pi molecular orbitals. fill in the appropriate number of electrons
a mixture of nitrogen and hydrogen reacts as fully as possible to form a 56 l mixture of ammonia and hydrogen at stp. when this mixture is compressed to 10.0 atm and chilled to 200.0 K, all of the ammonia is liquefied leaving 3.2 L of hydrogen sti..
Calculate the amount of heat required to completely sublime 61.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 {kJ}/{mol}.
the temperature unknown. When the volume changes to 1.68L the temperature is found to be -220oC. What was the initial temperature in C?
Draw the structure of a compound with the following analytical data: a mw of 72 g/mol, no silver mirror in a Tollen's test, and a yellow precipiate formed in an iodoform test.
when solid copper is added to nitric acid, copper nitrate, nitrogen dioxide, and water are produced. write the balanced chemical equation for the reaction list sis mole ratios for the reaction.
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