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What is the conductivity of a solution? How do the size and charge of ions affect the conductivity of a solution? Which of the following ions would exhibit the greatest conductivity? a)Li+ or CS+ ? b)Mg2+ or Al3+ ?
What is the total pressure of a gaseous mixyure that contains 3 gases with a partial pressure of 1.2atm oxygen, 0.35 atm carbon dioxide
when 7.20 grams of h2so4 l at 22.0oc are poured into a 94.0 gram mixture of ice and watercontaining 6.15 grams of ice a
A sample of Nitrogen gas expands in volume fro 1.6 L to 5.4 L at constant temperature. Calculate the work done (in joules) if the gas expands
an aqueous solution contains 25.0g of glucose c6h12o6 in 300.0 ml solution. the density of this solution is 1.08 gml.
What will happen to the equilibrium as OH- ions are added?
determine the mass of precipitate in grams that forms when 213.8 ml of 0.132 m cacl2 solution is reacted with excess
A certain reaction has an activation energy of 61.0 kJ/mol and a frequency factor of A1 = 2.00×10^12M^-1s^-1. What is the rate constant, k, of this reaction at 29.0 degrees celsius
how many moles of Cu2O can be produced from the reaction of 0.66 mol Cu with 0.40 mol O2?
The amount of energy needed to heat 2.00 g of carbon from 50.0°C to 80.0°C is 42.6 J. The specific heat capacity of this sample of carbon is ?
Calculate the pH at the equivalence point for the titration of 0.120 M methylamine (CH3NH2) with 0.120 M HCl
Metals ions can also be placed in a spectrochemical series. In this case, larger effective nuclear charges generally lead to larger values for (delta) . Based on this principle, predict a spectrochemical series for the following ions:
dissolving 3.00 g of an impure sample of CaCo3 in an excess of HCl produced 0.656 L of CO2 (measured at 20 C and 792 torr) . Calculate the percent by mass of CaCO3 in the sample
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