Which one of the following is an exothermic process?
A) ice melting
B) water evaporating
C) boiling soup
D) condensation of water vapor
E) Ammonium thiocyanate and barium hydroxide are mixed at 25 °C: the temperature drops.
Correct Answer:
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Q5: A chemical reaction that releases heat to
Q6: A _ ΔH corresponds to an _
Q7: The internal energy of a system _.
A)is
Q8: Objects can possess energy as _. (a)endothermic
Q9: Which one of the following statements is
Q11: Which of the following is a statement
Q12: When _ is constant,the enthalpy change of
Q13: ΔH for an endothermic process is _
Q14: Of the following,which one is a state
Q15: A _ ΔH corresponds to an _
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