Element A, mass 10.00 g, reacts exactly with 2.00 g of element B to form 12.00 g of compound AB. If 5.00 g of element A is reacted with 2.00 g of element B to form the same compound, what mass of compound AB will be formed?
a. 7.00 g
b. 6.00 g
c. 17.00 g
d. 12.00 g
b
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Kepler's analysis of planetary motion showed that the planets move _______________ when close to the Sun and _______________ when farther away
Fill in the blank(s) with correct word
A wheel starts from rest and rotates with a constant angular acceleration about a fixed axis. It completes the first revolution 6.0 s after it started. How long after it started will the wheel complete the second revolution?
A. 9.9 s B. 7.8 s C. 8.5 s D. 9.2 s E. 6.4 s
Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take for a sample of americium to lose one-third of its nuclei?
A) 2960 s B) 10.6 × 103 years C) 4.32 × 103 years D) 6.44 × 103 years E) 7.84 × 103 years
_____________modulus is equal to the ratio of the applied normal stress to the elastic strain.
Fill in the blank(s) with the appropriate word(s).