Which of the following will have the lowest freezing point?
A) 0.1 M acetic acid, HC2H3O2
B) 0.1 M hydrochloric acid, HCl
C) 0.1 M hydrofluoric acid, HF
D) All have the same freezing point.
B
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How is it possible for a neutral molecule, such as water, to form an ion?
A) It can combine with a hydrogen ion to form a positively charged species. B) It can combine with a chloride ion to form a negatively charged species. C) It can fragment into protons and electrons. D) It can absorb electrons and become negatively charged. E) It can absorb electrons and become positively charged.
Is it always possible to identify the parent rock when looking at a metamorphic rock? Why or why
not? What will be an ideal response?
In downtown Philadelphia, water in storm drains most likely came from
A) sinks. B) toilets. C) lawns and streets. D) bathroom showers.
The temperature at which condensation takes place is the ____________________ temperature
Fill in the blank(s) with correct word