Which statement is true for most chemical reactions?
a. an energy change occurs during the breaking and forming of bonds.
b. the internal energy of the system increases during a reaction.
c. energy is released during the formation of reactants.
d. the enthalpy of the products is higher than the enthalpy of the reactants.

Which of the following is a solution a- brewed coffee b-tomato juice c- ranch salad dressing d- muddy water

What is the difference between covalent bonds and ionic bonds? covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms. covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms. covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms. covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms.

Asap a 50.0 ml soap bubble is blown in a 27.0°c room. it drifts out an open window and lands in a snow bank at -3.0°c. what is its new volume?