Rate constant to double as described
The rate constant of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 295 K and 305 K. What must the activation energy be for the rate constant to double as described?
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Federal Reserve Bank is the most important and influential bank in the USA. With its complexed structure, it assures that the States' finances are in place, which is the nations's main priority. It is shown through number of different actions tha
A sample of steam with a mass of 0.550grams and at a temperature of 100 degrees celcius condenses into an insulated container holding 4.30grams of water at 6.0 celcius.Assuming that no heat is lost to the surroundings, what will be the final temp
How much energy (in kilojoules) is required to convert 255 of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 ?
As pH decreases, [H+] increases and solubility increases. The effect of pH on solubility is dramatic. A saturated solution of Mg(OH)2 has a calculated pH of 10.52 and contains [Mg2+] = 1.710-4 M.
Mass Mol Atoms Moles Mol Mass Moles Atoms g mol Atoms Moles How many atoms are in 1 g of What is the mass of 1 the substance shown below? Mole of the substance shown below? 10 g of the substance below equals how many moles?
Suppose that 1.02 of rubbing alcohol evaporates from a 75.0 aluminum block. If the aluminum block is initially at 25C, what is the final temperature of the block after the evaporation of the alcohol? Assume that the heat required for the vaporizat
What percent of [Ca3(PO4)2] (a major component of bone) is Ca and what mass of Ca is present in 1 kg [Ca3(PO4)2]? 3.46 How many grams of sulfur are needed to react completely with 246 g of mercury to form HgS?
We add 10 mL of 0.1 M NaOH to 100 mL of solution containing 0.1 M CH3CO2H and 0.1 M CH3CO2-. (Ka = 1.8 x 10-5) Using the Henderson-Hasselbalch equation, pH = pKa + log([A-] / [HA]), determine the pH after the addition of NaOH.
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