Compound A has 4 moles of hydrogen, 4 moles of oxygen, and 1 moles of silicon. The empirical formula of the compound is

H₄SiO₄

Explanation:

From the question given above, the following data were obtained:

Hydrogen (H) = 4 moles

Oxygen (O) = 4 moles

Silicon (Si) = 1 mole

Empirical formula =?

Since the number of mole of each atom of the element present is known, the empirical formula of the compound can be written as follow:

H₄SiO₄

the correct answer is answer a. a mixture

no other options make sense

hope this

have a great day : )

  - sprinkles

definition

                    entropy is a measure of the randomness or the extent of disorder of a chemical process.

                      enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

                        entropy is measured in joule per kelvin (jk⁻¹)   whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

                            entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

                              in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.