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Rate constants for the reaction NO2(g) + CO(g) -----> NO(g) + CO2(g) are 1.31 M-1s-1 at 700. K and 23.0 M-1s-1 at 800. K.
(a) What is the value of the activation energy, in kJ/mol?
(b) What is the rate constant at 750. K?
What is the osmotic pressure of a soda which has about 40 grams of sucrose in 500 mL of water
Draw the structure(s) of the aldehydes with the molecular formula C5H10O that have a three-carbon chain.
Ballon filled with 500.0 mL of helium at atemp of 27 degrees C and 755 mmHg. As the ballon risesin the atmosphere , the temp & pressure drop. What volume will it have when it reaches an altitude where the temp is - 33 degrees celcius and the press..
Chemistry: Change in Temperature in the Production of Silver Chloride, When solutions containing silver ions and chloride ions are mixed, silver chloride precipitates:
The boiling point of another member of this homologous series was found to be 309 rm K. What is the likely molecular formula for this compound?
A piece of lead is placed into a graduated cylinder. The level of the liquid rises from 235 to 305 mL. What is the mass in grams of the lead if the density of lead is 11.3g/cm3?
Predict the freezing point of a solution prepared by dissolving 8.9 g MgCl2 in 98 g H2O. Kf for water is 1.86 °C m-1. A) 3.5 °C B) -3.5 °C C) 5.3 °C D) -5.3 °C E) -0.51 °C
What is the concentration of each of the following solutions? a) The molality of a solution prepared by dissolving 25.0g of H2SO4 in 1.30L of water b) The mole fraction of each component of a solution prepared by dissolving 2.25g of nicotine, C4H1..
consider the titration of 39.0 mL of 0.240 M HF with 0.215M NaOH. Calculate the ph at the following points. calculate the ph after the addition of 9.75 mL of base.
The Label on a one pint bottle of water lists the following components. If the density is the same as pure water and you drink 3 bottles of water in one day, how many milligrams of each component will you obtain?
A horse ate some ration that was equivalent to 4000. kJ. In this case assume that none of thatenergy was stored or used in the animal's body but that all of this energy was lost in the form ofperspiration
When the optically active compound V (c5h11br) is heated with an ethanolic solution of potassium hydroxide, the major product is the alkene W and the minor product is another alkene, X.
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