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For the reaction NO2 + O3 = N2O5 ,the activation energy is 18kj/mol and the overall delta E is -136kj/mol. how many times faster will the reaction occur at 50C than 0C for the forward reaction
Estimate the pH range over which the color change occurs for bromocresol green. What would be the effect on your results if methyl red indicator, pKa =5.0 were used during the experiment
When the following equation is balanced, what is the mole ratio of H2O to Be3N2?
A disproportionation reaction is a type of oxidation-reduction reaction. which species is oxidized and which is reduced? B.) If 1.0 mL of 55% HSO3^- by mass is obtained in the reaction, what mass of S2O3^2- was present initially
Sketch the line-bond structure for each molecule or polyatomic ion of the following. Designate the formal charges where applicable.
The human body obtains 1078 kJ from a candy bar. If this energy were used to vaporize water at 100°C, how much water in liters could be vaporized?
In a high-altitude city, the normal atmospheric pressure is 619.0 torr. Use the Clausius-Clapeyron equation to estimate the boiling point of water in this city. The heat of vaporization of water is 40.70 kJ/mol.
how would you know a strong acid from a weak acid without looking at some data? for example hbr hi hci are all stong
Briefly explain how you would alter the calibration curve technique to determine the concentration of glucose in a urine sample.
Calculate the conditional formation constant Kf for the formation of an EDTA complex with copper (II) at a pH of 5.00, if log Kf= 18.80
a) write a balanced equation for the reation. b) When 46.0 g of KClO3 is heated, 12.1 g of O2 is formed. How many grams of KCl is also formed? c) What is the percent yield of O2 for the reaction
explain the order of elution you observed while performing the gas chromatography for this experiment. what property of
One mole of neon gas equals how many grams? Round to the nearest hundredth. Don't forget the units. Be sure to abbreviate the units.
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