Chemistry, 16.11.2020 21:40 breanastone15
On a hot summer day Lam walked home from his grandmothers with a chocolate bar in his pocket. When he arrived home the chocolate bar had melted in his pocket, which statement BEST explains why the
chocolate bar melted?
A Heat transferred from the chocolate bar to his pocket.
B. Heat evaporated from his pocket to his chocolate bar.
c. Heat condensed from his leg to his chocolate bar in his pocket.
D. Heat transferred from the environment to the chocolate bar in his pocket.
Answers: 3
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Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+
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Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
Answers: 1
On a hot summer day Lam walked home from his grandmothers with a chocolate bar in his pocket. When h...
Chemistry, 08.07.2021 15:40