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The ΔE of a system that absorbs 12.4 J of heat and does 4.2 J of work on the surroundings is ________ J.
Q56: Lattice energy is _.<br>A)the energy required to
Q85: ΔH for the reaction IF<sub>5</sub> (g)→ IF<sub>3</sub>
Q89: At what speed (m/s)must a 10.0-mg object
Q113: When calcium reacts with sulfur the compound
Q115: What is the molarity of a NaOH
Q116: Given the following reactions N<sub>2</sub> (g)+ 2
Q127: Sulfur forms an ion with a charge
Q163: Of the choices below, which would be
Q165: The oxide of which element below can
Q171: In the generation of most anions, the