What is the formula mass of a molecule of C6H12O6?
A) 180 amu
B) 24 amu
C) 29 amu
D) 168 amu
E) none of the above
Answer: A
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Which of the following types of data provide evidence that helps us understand the life tracks of low-mass stars?
A) H-R diagrams of globular clusters B) H-R diagrams of open clusters C) observing a low-mass star over many years D) spacecraft observations of the Sun
Which of the following can you never know about a black hole?
a. Mass b. Rotation c. Electrical charge d. The elements of the material that has fallen in.
In the tensile test of single crystals, the proportional limit stress is not constant; the _____________ is constant.
Fill in the blank(s) with the appropriate word(s).
A myopic (nearsighted) dancer wears eyeglasses that allow him to have clear distant vision. The power of the lenses of his eyeglasses is -3.00 diopters. Without eyeglasses, what is the far point of the dancer?
A) 0.50 m B) 0.17 m C) 0.42 m D) 0.33 m E) 0.25 m