When 3.423 grams of a hydrocarbon, CxHyOz, were burned in a combustion analysis apparatus, 11.76 grams of CO2 and 1.925 grams of H2O were produced. In a separate experiment, the molar mass of the compound was found to be 128.2 g/mol. Determine the empirical formula and the molecular formula of the hydrocarbon.

The arrangement of particles is most ordered in a sample of

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon

What is the name of the enzyme that forms at the start of transcription?