Combustion analysis of an unknown compound containing only carbon and hydrogen produced 0. 2845 g of co2 and 0. 1451 g of h2o. What is the empirical formula of the compound?.

The excretory system, need answers for all: )

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

What best discribes the relationship between wavelength and frequency in a electromagnetic wave