The term water of hydration is applied to which to which of the following?
A) water molecules required to dissolve a solid
B) water molecules associated with ions in solution
C) water molecules associated with a salt in the solid state
D) none of the above
C
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Judge the following sentence according to the criteria given below: Clown fish are stung by sea anemone but are not seriously harmed BECAUSE they are immune to the toxins in the stinging tentacles
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
Unusual weather events seem to have increased in frequency over the last few decades
Indicate whether the statement is true or false.
Coffee and cream is best classified as
A. a suspension B. a heterogeneous mixture C. a solution D. an element E. a compound
Using the given conversion formulas, complete the following temperature conversions.
25°C ________ 30°F ________ -18°C ________ -9°F ________ 4°C ________ 92°F ________ 57°C ________ 57°F ________ 134°F ________ 59°F ________ 0°C ________ 15°C ________ * {°F - [(25° x 1.8) + 32°] - (45° 1 32°) - 77° F}