HW02 - HW02 Q1 (0.5 points) Which of the following areas of...

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HW02 Q1 (0.5 points) Which of the following areas of chemistry is MOST concerned with explaining observations? a. Properties b. Structure c. Composition d. Changes in matter Q2 (0.5 points) Which of the following is a heterogeneous mixture? a. Sugar b. Ice c. Sugar dissolved in water d. Sugar dissolved in water containing ice Q3 (0.5 points) Which of the following is a chemical property? a. Water freezes at 0 degrees C b. Water boils at 100 degrees C c. Oxygen combines with iron to produce rust d. Water has a density of 1 g/mL Q4 (0.5 points) Passing electricity continuously through water decomposes water into hydrogen and oxygen. This reaction: a. Is exergonic b. Is exothermic c. Is endergonic. d. Is endothermic
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Q5 At what temperature on the kelvin scale are the centigrade and fahrenheit readings the same? a. 373 K b. 233 K c. 273 K d. None of these Q6 Which of the following statements concerning particles is INCORRECT? a.
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This note was uploaded on 10/19/2011 for the course CHEM 83 taught by Professor Bonk,j during the Fall '08 term at Duke.

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HW02 - HW02 Q1 (0.5 points) Which of the following areas of...

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