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For the reaction given below, the frequency factor A is 8.7 1012 s-1 and the activation energy is 63 kJ/mol.
NO(g) + O3(g) NO2(g) + O2(g)
What is the rate constant for the reaction at 80°C?
you place ethanol of 100 grams and water of 100 grams in a refrigerator. both are at room temperature initially.
All of the potassium reacted to produce bubbles of hydrogen gas, which, because of the extraordinary care that was taken, did not ignite. How much hydrogen gas was produced, in units of moles?
Calculate the percent by mass of the solute in each of the following aqueous solutions. (a) 3.57 g of NaBr in 78.2 g of solution % (b) 31.0 g of KCl in 144 g of water % (c) 2.8 g of toluene in 29 g of benzene %
Determine the empirical formula of estradiol. The molecular weight of estradiol was later determined to be 272. Determine the molecular formula of estradiol.
an aqueous solution is prepared by diluting 3.30ml acetone ch3coh3 d 0.789gml with water to a final volumeof 75.0 ml.
At 25 degrees Celsius liquid A has a vapor pressure of 100 torr while liquid B has a vapor pressure of 200 torr. The heat of vaporization of liquid A is 32 kJ/mol
The mass of a cube of iron is 392 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
Calculate the average translational kinetic energy (sometimes just called average kinetic energy)
when 1-bromo-2-methylhexane undergoes solvoysis in methanol, four major products are formed.
A cylinder contains 12.0l of air at a total pressure of 41.4psi and a temperature of 30c. How many moles of gas does the cylinder contain
When a sample of PCl5(g) (0.1612 mol/L) is placed in 35.00 L reaction vessel at 878.0 K and allowed to come to equilibrium the mixture contains 3.122 mol of PCl3(g)
how many liters of 0.25 M NaOH would I have to add to a acidic solution of pH 3.365 to make a solution of pH 7?Acidic solution is 50mL.
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