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What are the units of the second order and third order rate constants for rate laws expressed in pressures in Pascals and concentration in molecules per cubic meter
Calculate ?Sºf for oxalic acid and ?Sº for the combustion of one mole of oxalic acid. c) Calculate ?Gºf for oxalic acid and ?Gº for the combustion of one mole of oxalic acid.
What volume in mL of concentrated nitric acid (72.0% HNO3 (w/w), sp. gr. 1.42) is required to prepare exactly 3.85 L of 0.330 M HNO3?
The molar heat of reaction, H rxn, for the reaction of Ca(s) + 2H+(aq) Ca2+(aq) + H2(g)
An equilibrium mixture contains 0.810 mol HI, 0.170 mol I2, and 0.200 mol H2 in a 1.00-L flask. What is the equilibrium constant for the following reaction
An equimolar liquid mixture of benzene and toluene at 10C is fed continuously to a vessel in which mixture is heated to 50C.
Can someone please draw the scheme of Selenium: "A sample is preserved in the field at 4oC. The sample aliquot is oxidized, in acidic persulphate
Calculate the pH at the beginning of a titration of 50.00 of 0.005M HA (Ka=2.0*10^-2) with NaOH solution. If the quadratic equation is assumed to be accurate
Draw out the Lewis structures for H2CO3, HCO3-, and CO32-. Then determine the maximum number of equivalent resonance structures for each species. Note that carbon is the central atom in all three cases.
Draw the phase diagram of water and put a on the phase diagram to show the pressure and temperature conditions in the day and at night on the moon.
Ethylene Glycol in a Car Radiator, How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator containing 6.50 L of water if the coldest winter temperature in your area is -20 0C?
A flask contains 0.250 mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask.
Identify the major type of attractive force between particles of each of the following substances: a) HCl; b) MgF2; c) PBr3; d) Br2; e) NH3.
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