(b) Use the bond enthalpies in the table below to calculate a numerical estimate of ΔH for the reaction. BondBond Enthalpy (kJ/mol)
C−H 413
C−F 485
H−F 567
F−F 155

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Define dew point. i am writing this part to be able to ask the question

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.