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A certain reaction has an activation energy of 57.42 kJ/mol. At what kelvin temperature will the reaction proceed 3.50 times faster than it did at 353 K?
What mass of potassium chromate is needed to add to exactly 500g of water to produce a solution with vapor pressure of 21.50 torr at 24 C
Dehydrohalogenation of (2R, 3R)-2-bromo-3-methylpentane by a bimolecular reaction produces only (E)-3-methyl-2-pentene and 3-methyl-1-pentene as products. Provide a mechanistic explanation as to why (Z)-3-methyl-2-pentene is not formed.
The combustion of 58.0 g of butane (C4H10) produces 158g of CO2. What is the percent yield of the reaction
In the catalytic converter of an automobile exhaust system, some SO2 is converted to SO3 by the reactionSO2(g) + ½ O2(g) ? SO3(g)
When solving this problem, assume that no heat is lost from the calorimeter to the surroundings, the density of all solutions is 1.00 g/mL, the specific heat of all solutions is the same as that of water, and volumes are additive.
How many grams of NaCl are needed to prepare 250 mL of an isotonic saline solution with a concentration of .90% , assuming a solution density of 1.0g/mL
Zn is immersed in a solution of CuCl2. What is the reaction and at what activity ratio of Zn(2+) / Cu (2+) will the reaction stop
a compound contains c h and s. elemental analysis performed on 172.5mg sample produced 299.0mg co2 and 163.2mg h2o.
You dissolve 1.00 gram of an unknown diprotic (two titratable protons) acid in 200.0 mL of H2O. This solution is just neutralized by 5.00 mL of a 1.00 M NaOH solution. What is the molar mass of the unknown acid?
what mass of KNO3 will crystalize out of solution if exactly 9.0x10^2g of its saturated solution at 75c is cooled to 25c
Assume that liquid water forms item 5. Write a formula equation for the reaction that shows the physical states of all compounds?
An empty flask has a mass of 123.4 g. When the flask is filled with water, the mass is 211.6 g. If 10.0 g of zinc (d = 7.14 g/cm3) are added to the flask filled with water (and the sides of the flask are dried from the displaced water) what is the..
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