At one point in a pipeline the water’s speed is 3.00 m/s

Introductory Chemistry 5
Is each chemical equation correctly balanced? If not, correct it. (a) \(R b(s)+\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{RbOH}(a q)+\mathrm{H}_{2}(g)\) (b) \(2 \mathrm{~N}_{2} \mathrm{H}_{4}(g)+\mathrm{N}_{2} \mathrm{O}_{4}(g) \rightarrow 3 \mathrm{~N}_{2}(g)+4 \mathrm{H}_{2}

Biology 8
In the face of biological magnification of toxins, is it healthier to feed at a lower or higher trophic level? Explain.

Biology for AP Courses
Flamingos have genotypes for white feathers yet often appear with pink feathers within the same population. What is most likely affecting the phenotype of some flamingos, causing their feathers to turn pink in an isolated population? a. weather variations b. dietary changes c. DNA mutations d. transl

Psychology 5
Hypnosis has been proven to have a. an effect on physical strength. b. a positive effect on memory retrieval. c. an analgesic effect. d. an age-regression effect.

Urban Economics 8
Using Figure 177 as a starting point, suppose the initial utility-maximizing spending on special education is $5 rather than $25. As before, the lump-sum conditional grant for special education is $20. The income elasticity of demand for special education is 1.0. a. Show the response of the median ho

Biology 11
Radial symmetry is characteristic of (a) protostomes (b) chordates (c) mollusks (d) cnidarians (e) sponges

Principles of Economics 9
Who has a greater opportunity cost of enjoying leisurea janitor or a surgeon? a. the janitor because his wage is lower b. the surgeon because his wage is higher c. whoever has the greater income effect d. whoever has the greater substitution effect

College Physics: Explore and Apply 2
How can the peephole lens in a hotel door have an approximately 180 view? (a) The light moves straight through the lens into the eye. (b) Light from about 908 from the straight-ahead direction is refracted into the observers eye if very close to the lens. (c) Light from about 908 from the strai