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A second order reaction is found to have an activation energy of 20 kj/mol at 298K. At what temperature would this reaction need to occur at to proceed twice as fast?
A) 326KB) 323KC) 274KD) 596KE) 149K
the specific heat of ethanol is 2.44jg times degrees celcius. how many kilojoules of energy are required to heat 50.0 g
Calculate the average translational kinetic energy (sometimes just called average kinetic energy) for one mole of gas at 385 K.
Consider the following cell: Pt|H2(g, 0.645 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.20 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V.
What is the final pressure of a gas that has an initial pressure of 13atm and a volume of 20L. final volume 50
How much heat would be given off per mole of NaOH if 4.6g of NaOH dissolves to give off 755J of heat? b)How many grams of NaOH are needed to produce 88 kJ of heat
Elements are always arranged in order of increasing atomic weights. Metallic properties increase going from bottom to top in a family of elements.
Use the van der waals equation and data in the text to calculate the pressure exerted by 18 gram of H2 at 20C in a 1.00L container. Repeat the calculation assuming that the gas behaves like an ideal gas.
Which ionic compound would be expected to have the highest lattice energy (a) KO2 (b)NaO2 (c) Li2O (d) RbO2 (15) Arrange the following spectral regions in orger of increasing energy infrared, microwave, ultraviolet visible (a) microwave
Describe the titration curve for the titration of a weak base with a strong acid. Indicate the chemical reaction, the points that correspond to the equivalence point, the pH = pKa and the region with maximum buffering.
For each parameter listed, explain whether or not a change in the parameter will have an effect on the retention time of a compound.
One binkle is defined as being exactly 3 × 10^12. A) If you had 1.0 kg of nails and 1.0 kg of helium atoms, would you expect them to have the same number of binkles? Using complete sentences
Molecular weight and mole concept : key informaiton, If Aluminum Chloride reacts with Copper II Carbonate and 0.25 moles of Aluminum Chloride are used, how much Copper II
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