Find identity and the atomic mass of the other isotope
Gallium has an average atomic mass of 69.7 amu. In a typical sample, 60.4% of Ga exists as Ga-69 (68.9257 amu). What is the identity and the atomic mass of the other isotope?
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Carbon dioxide is dissolved in an aqueous solution at 303 K at a concentration of 0.90 x 10-4 kg/kg. Henry's Law constant at these conditions is 0.186 x 104 atm. What is the partial pressure of CO2 in equilibrium with the solution in order to arrive
If a system has 3.50 × 102 kcal of work done to it, and releases 5.00 × 102 kJ of heat into its surroundings, what is the change in internal energy of the system
Determine the mass of 100 mL of solution for this reaction: the results were 2.05 g of NaOH, 102.05 grams (total solution-when added with the water).
The activation energy for the reaction NO2(g)+CO2(g)---->NO(g)+Co(g) is Ea= 325 Kj/mol and the change in enthalpy for the reaction is change in H = -250 kj/mol. What is the activation energy for the reverse reaction?
A solution is prepared by dissolving 2.86 grams of sodium chloride, 3.9 grams of ammonium sulfate, and 0.896 grams of potassium iodide in 246 grams of water. Calculate the total mass of the solution
If 0.015 M NaCl shows conductivity of 12,000 unites, based on "total ion concentration" what conductivity should be observed for 0.015 M K2SO4?
The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the temperature of 10.0 mL of bromine from 25.00 °C to 27.30 °C? The density of liquid bromine is 3.12 g/mL.
What is the mode of reaction of an acid buffer. Make list of industrial applications of buffers with clear explanation.
Is the reaction of iodoethane with sodium saccharin a SN1 or SN2 reaction. Explain why
Which concept would explain why the carbon to carbon bond lengths in benzene, C6H6, are identical? a)hybridization b)London dispersion forces c)resonance d)hydrogen bonding
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