(a) Estimate the rms speed of an amino acid whose molecular mass is 89 u in a living

Introductory Chemistry 5
Use the law of constant composition to complete the table summarizing the amounts of nitrogen and oxygen produced upon the decomposition of several samples of dinitrogen monoxide.

An Introduction to Thermal Physics 1
Problem 36P In the course of pumping up a bicycle tire, a liter of air at atmospheric pressure is compressed adiabatically to a pressure of 7 atm. (Air is mostly diatomic nitrogen and oxygen.) (a) What is the final volume of this air after compression? ________________ (b) How much work is done in

Principles of General Chemistry 2
\(\mathrm{C}_{5} \mathrm{H}_{11} \mathrm{OH} ; \mathcal{M}=88.15 \mathrm{~g} / \mathrm{mol}\)) has nearly the same molar mass as hexane (\(\mathrm{C}_{6} \mathrm{H}_{14} ; \mathcal{M}=86.17 \mathrm{~g} / \mathrm{mol}\)) but is more than 12 times as viscous at \(20^{\circ} \mathrm{C}\). Explain.

Earth Science 13
The circumference of Earth at the equator is 24,900 miles. Calculate how fast someone at the equator is rotating in miles per hour. If the rotational speed of Earth were to slow down, how might this impact daytime highs and nighttime lows?

Physics for Scientists & Engineers with Modern Physics 4
A 0.620-kg wood block is firmly attached to a very light horizontal spring (k = 180 N/m) as shown in Fig. 8-35. This block-spring system, when compressed 5.0 cm and released, stretches out 2.3 cm beyond the equilibrium position before stopping and turning back. What is the coefficient of kinetic fric

Anatomy & Physiology 1
Langerhans cells are commonly found in the ________. a. stratum spinosum b. stratum corneum c. stratum granulosum d. stratum basale

Campbell Biology 10
Vertebrates and tunicates share a. jaws adapted for feeding. b. a high degree of cephalization. c. an endoskeleton that includes a skull. d. a notochord and a dorsal, hollow nerve cord.

Principles of Economics 9
Which of the following is an example of a public good? a. residential housing b. national defense c. restaurant meals d. fish in the ocean