Draw the Lewis structures of the reactants Determine the total energy of the bonds broken in the reactants
Draw the Lewis structures of the products
Determine the total energy of the bonds formed in the products
Calculate the enthalpy (ΔH°) for the reaction
Is this exothermic or endothermic?

What does x represent in the formula for the compound xcl4?

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Enzymes affect the reactions in living cells by changing the