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Q38: How many moles of BCl<sub>3</sub> are needed
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Q63: Choose the best Lewis structure for CH<sub>2</sub>Cl<sub>2</sub>.<br>A)
Q69: According to the following reaction,how much energy
Q74: Which of the following statements about energy
Q85: The specific heat of copper is 0.385
Q134: What is the average speed (actually the
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Q195: What is the mass of 9.00 ×