Acompound has the empirical formula ch2o. if the compound’s molecular mass is 180 g/mol, determine the molecular formula of the compound. be sure to show your work.

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control?