Which of the above molecules would be acidic?ld be acidic

A) a
B) b
C) c
D) d
E) a or d


Answer: E

Physics & Space Science

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Hydrogen gas seems to have a diffusivity of about 2.6 x 10^-13 m^2/s when diffusing into iron at 770 K. What would you expect the rate of diffusion or mass flow rate per unit area of hydrogen to be when stored in an iron container at 5 atmospheres pressure, assuming the density of hydrogen at 1 mm in the iron from the containing surface to be 5% of the normal hydrogen density, given by p/RT?

What will be an ideal response?

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Which of the following is the nation's leading spokesperson on matters of public health?

What will be an ideal response?

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Vision Problems: Alice is farsighted and cannot see objects clearly that are closer to her eye than 80.0 cm. What is the refractive power of the contact lenses that will enable her to comfortably see objects at a distance of 25.0 cm from her eyes?

A. +2.75 diopters B. -2.75 diopters C. -4.72 diopters D. +4.72 diopters E. +7.00 diopters

Physics & Space Science

Newton's third law of motion states that whenever one object exerts a force upon a second object, the second object exerts a(n) ______________ and ______________ force upon the first object

Fill in the blank(s) with correct word

Physics & Space Science