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The rate constant of a reaction is 6.2 x 10^-3s-1 at 25 degrees C, and the activation energy is 33.6 KJ/mol.. What is k at 75 degrees C?Enter your answer in scientific notation.
How to prepare ml of 0.2ml of calcium chloride solution from calcium chloride anhydrous or from calcium chloride dihydrate?
a 10.0l container of helium gas with a presure of 250mmhg at 0 degrees celsius is heated to give a pressure of
Phosgene is formed from carbon monoxide and chlorine. At 605 degrees C, Kc is approximately 15.5 M-1 or L/mol. Calculate Kp (in atm-1) at this temperature.
12 grams of hydrogen is combined with 104 grams of oxygen as an explosive reaction that forms water as its sole
Utilize your estimate of the atomic mass from (a) and the information from (b) to find out the empirical formula of the oxide the moles of M that combine with each mole of O.
Suppose you have 5.00 g of powdered magnesium metal, 1.00 L of 2.00 M potassium nitrate solution, and 1.00 L of 2.00 M silver nitrate solution. (a) Which one of the solutions will react with the magnesium powder?
If, in practice, 5.0 mL of 16.0 M nitric acid were added to effect the dissolution of the copper, what would be the minimum volume of 4.00 M NaOH required to neutralize the remaining acid and convert all of the Cu2+(aq) to Cu(OH)2(s)
The Kb of methylamine, CH3NH2, is 4.2 x 10-4. Calculate the pH of a solution of 0.431 M methylamine.
[BrO- ]initial is 0.86 M. 65 seconds later [BrO- ] is 0.19 M. What is the rate of change of [BrO- ] in M/s? (The brackets, [ ], indicate concentration, that is, molarity (M) or moles/liter.)
Assuming the same mass of each, which of the following substances will have the highest temperature change if they all absorb the same amount of heat Gold
how many miligrams of concentrated sulfuric acid (H2SO4) [having the strength is 18 M], are required to prepare 750 ml of 3.0 M
Predict the order of elution of a mixture of triphenylmethanol, biphenyl, benzoic acid, and methyl benzoate from an alumina column.This has to do with column chromatography and explain your reasoning.
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