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Suggest a synthesis of (6E)-3-ethyl-6-methylocta-3, 5-diene using carbon sources of no more than three carbons.
The rate constants of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 315 K and 325 K. What must the activation energy be for the rate constant to double as described
How many moles of helium have been evolved?
2 FeBr3(aq) + 3 Na2CO3(aq) Fe2(CO3)3(s) + 6 NaBr(aq) what is the net ionic eqation for this molecular equation.
Gaseous hydrogen Iodideis very soluble in water. A solution od hydroiodic acid is 52.4% HI by weight. Its density is 1.603g/ml. If you had 1.00L of this solution what would its pH be
what is the rate constant of a first-order reaction that takes 2.50 minutes for the reactant concentration to drop to
Find the boiling point of water under pressure of 0.5 bar, given that the standard boiling point is 373 K and enthalpy of vaporization is 40.7 kJ/mol.
The sample is diluted with 73.505 g of water. A 12.973 g aliquot of this solution is then titrated with 0.1038 M HCl. It required 29.32 mL of the HCl solution to reach the methyl red endpoint. Calculate the weight percent NH3 in the aqueous waste.
a sample of hydrogen gas is generated in a closed container by reacting 2.050 g of zinc metal with 12.0 ml of 1.00 m
what is the mole fraction of hydrogen in a gaseous mixture that consists of 8.00 g of hydrogen and 12.00 g of neon in a 3.5 liter container maintained at 35.20 degrees celsius?
During a molar volume of oxygen experiment indicate how each of the following errors would affect (increase, decrease, or no change) your calculated value for the molar volume of O2 at STP.
What is the pH of a solution which is 0.021 M in weak base and 0.039 M in the conjugate weak acid (Ka = 7.1 Ã- 10â€"6)? pH=?
The gas-phase reaction C: RateH3NC = CH3CN has been studied in a closed vessel, and the rate equation was found to be: Rate = -delta [CH3NC]/delta t = k[CH3NC]. Which one of the folowing actions is least likely to cause a change in the rate of the..
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