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Convert the following number into decimal notation with the same number of sig fig as the original number
7.26 x 104
Question- An ideal helium has in equilibrium at temperature 800 K and pressure 1 bar is stored in a closed tank of volume 1 m^3. Find the mean and most probable kinetic enegeries of the atoms
What would be the three equations that cancel correctly for Hess Law for the following reaction for Magnesium oxide that you would have Mg(s) + 1/2 O2(g) = MgO(s) ?
Explain what volume (in mL) of a 0.2587 M NaOH solution do you require to completely neutralize 25.00mL of a 0.1500 M H2SO4 solution? H2SO4(aq) + 2NaOH(aq) ? 2H2O(l) + Na2SO4(aq)
compute the density in gcm3 of piece metal that has a mass of 0.400kg and a volume of 73cm3. how to work this problem
A certain reaction has an enthalpy of H = 49 kJ and an activation energy of Ea = 71 kJ. Explain what is the activation energy of the reverse reaction
Calculate the concentration of a solution of FeCl3 was prepared by dissolving 13.86 gm of FeCl3 in 2.5L of water.
A scuba diver with a lung capacity of 5.4 inhales a lungful of air at a depth of 48 and a pressure of 5.8. If the diver were to ascend to the surface (where the pressure is 1.0 ) while holding her breath, to what volume would the air in her lungs ..
The column is run with a solvent system based on hexanes, but which becomes more polar with the addition of more and more dichloromethane over time. Predict the elution order.
It takes 208.4 kJ of energy to remove 1 mole of electrons from 1 mole of atoms on the surface of rubidium metal. How much energy does it take to remove a single electron from an atom on the surface of solid rubidium
a chemist makes an hbr hydrogen bromide sample and observes that this sample occupies capacity of 279 ml at the
The molecular orbital diagram CO in the course notes also applies to the following species
The half-life for a first order reaction at 550 oC is 85 sec. How long it would take for 23% of the reactant to decompose?
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