Problem: Which of the following is a statement of the first law of thermodynamics?A) Ek = 1/2mv2B) A negative ΔH corresponds to an exothermic process.C) ΔE = Efinal - EinitialD) Energy lost by the system must be gained by the surroundings.E) 1 cal = 4.184 J (exactly) 

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Which of the following is a statement of the first law of thermodynamics?

A) Ek = 1/2mv2
B) A negative ΔH corresponds to an exothermic process.
C) ΔE = Efinal - Einitial
D) Energy lost by the system must be gained by the surroundings.
E) 1 cal = 4.184 J (exactly)