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When an H-atom relaxs from n=6 to n=2, what is the wave length of the photon emitted? please show work, might be Bohr's formula.
Calculate the theoretical yield of when 114 g of C2H6 reacts with 206g of Cl2 , assuming that and react only to form and .
The solubility of N2 in blood can be a serious problem (the "bends") for divers breathing compressed air (78% N2 by volume) at depths greater than 50 ft. Find the volume (in mL) of N2, measured at 25degrees celsius and 1.00 atm, released per liter..
Draw a potential energy diagram that represents the three step mechanism for the reaction and label the reactants and products for the overall reaction. Assume the overall reaction is endothermic
You have 500 mL of a 5.0 M solution of nitric acid HNO3 (63.01 g /?mol) dissolved in water. How many grams of nitrogen does the solution contain.
4 HNO3(aq) + Cu(s) => Cu(NO3)2(aq) + 2 H2O(l) + 2 NO2(g) Considering which elements are being oxidized and reduced, determine
The reaction between 0.0459g of magnesium with excess of HBr was carried out in an ice calorimeter. The volume of water in the calorimeter decreased by 0.18mL during the reaction.
moles of H30+ or OH- must you add to 8.92 L of HA solution to adjust its pH from 4.34 to 5.09? assume a negligble volume change
A rigid tank of volume 0.5 m^3 is connected to a piston cylinder assembly by a valve, as shown below. Both vessels contain pure water. They a re immersed in a constant-temperature bath at 200°C and 600 kPa
Determine the limiting, excess reagent & percent yield of the reaction - How much excess reagent is left after the reaction reaches completion?
NO(2) + CO--> NO +CO(2) is 125 Kj/mol and delta E for reaction is -216 kJ/mol. What is the activation energy for the reverse reaction. (NO+CO(2)--> NO(2) +CO
What is the entropy change for the reaction 2H(g) + O2(g)-------- 2H2O(l) at 25 degree and 300 atm
(i) Is the system in equilibrium? If not, which direction must the reaction proceed for equilibrium to be established? (ii) What is the Kp for this system at equilibrium?
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