Dispersal of matter and energy can be directly related to spontaneity if the: Select the correct answer below
a. change in internal energy is positive
b. change in internal energy is negative
c. change in internal energy is zero
d. there are no conditions for this correlation
Answers: 2
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How is the shape of the poem βpeerβ connected to its meaning?
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The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 β 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride
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You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices
Answers: 3
Dispersal of matter and energy can be directly related to spontaneity if the: Select the correct ans...
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