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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Acetylene gas, , burns in oxygen to produce carbon dioxide and water. If 60.4 g of CO2 are produced when 22.62 c2h2 react with sufficient oxygen, what is the percent yield for the reaction
What is the final pressure in atm of a 3.05 L system initially at 724 mm Hg and 298 K, that is compressed to a final volume of 2.51 L at 273 K?
Saturated water vapor at 200C is isothermally condensed to a saturated liquid in a piston-cylinder device. Calculate the work done during this process, in kJ/kg.
A 1.885g solid sample containing some FESO4 is dissolved in water. The resulting solution is acidified and titrated to the endpoint with 20.48 mL of 0.02540 M K2Cr2O7. What is the percent iron(II) sulfate in the solid sample?
What is the sum of the stoichiometric coefficients the formation reaction for methanol (CH3OH). Enter any fraction as a decimal.
Calculate the distances NH3 gas and HCL gas would travel in this experiment if a 100.00-cm tube were used, based on the accepted molar masses of the two gases.
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
What is the pH of a solution made by adding 6.21 grams of sodium fluoride to 391 ml of 0.317 M hydrofluoric acid (assume no change in volume takes place)
A gas sample is heated from -20.0oC to 57.0oC and the volume increased from 2.00L to 4.50L. If the initial pressure is 0.126 atm, what is the final pressure?
Octane is a compound that has less volatility than isobutane and "n"-butane. Explain using structures of each compound.
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