Calculate the enthalpy change (ΔH(rxn)) of the following reaction using the bond energies above. Draw the correct Lewis structures to determine the bonding structure. Calculate reactant energy – product energy for your final answer. H2 (g) + CO2 (g) → H2O (g) + CO (g)

Draw the Lewis structure for the carbon dioxide (CO₂) molecule. Ċ C B X C [ ]¯ Ś

Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. substance A B с D chemical symbol, chemical formula or Lewis structure H-C=C-H Fe He H-CEN: boiling point (Choose one) (Choose one) (Choose one) (Choose one X

A student proposes the following Lewis structure for the carbon monoxide (CO) molecule. :CO: Assign a formal charge to each atom in the student's Lewis structure. atom C 0 formal charge 00 X

Based on the lewis structure for the isocyante Ion , NCO^-, which atoms would have the formal negative charge ?  O N C  Both O and N

compound hydrogen-bonding force Between Between molecules of formula or Lewis molecules of the the compound and molecules of water? name structure compound? H H | Н — С | | yes yes N-chloromethylamine - no no H. yes yes hydrogen iodide HI no no :0: || н —с —с-о — н H yes yes acetic acid no no H O O

Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. chemical symbol, substance chemical formula boiling point or Lewis structure H Н — С — Н - | A :N - О — Н (Choose one) | Н — С — Н H В Cr (Choose one) H H H | Н — С — С | C — О — С — н (Choose one) H H H D Ar (Choose one) :0 : :0 :

The charges and sizes of the ions in an ionic compound affect the strength of the electrostatic interaction between the ions and thus the strength of the lattice energy of the ionic compound. Arrange the compounds according to the magnitudes of their lattice energies based on the relative ion charges and sizes.

please explain each

The enthalpy change for the following reaction is 206 kJ. Using bond energies, estimate the C-H bond energy in CH4(g). CH4(g) + H₂O(g)-3H₂(g) + CO(g) kJ/mol