Chemistry, 28.07.2019 05:30, clevelandjaniya
Why does the doppler effect result in different pitch shift in water than it does in air? a) because sound is not able to travel through liquid. b) because the air particles are closer together than the liquid particles. c) because sound travels faster in a liquid d) because the liquid particles are closer together than the air particles .
Answers: 2
Chemistry, 22.06.2019 19:10, krisandlance
Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m
Answers: 1
Chemistry, 22.06.2019 23:00, lufung8627
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 23.06.2019 04:20, tatta95
Which activity describes an application of topographic maps? check all that apply. recreation, such as camping and hiking engineering, such as the construction of roads and buildings science, such as mapping stars in the sky business, such as analyzing population centers science, such as analyzing surface features
Answers: 1
Why does the doppler effect result in different pitch shift in water than it does in air? a) becaus...
History, 31.08.2019 01:50
History, 31.08.2019 01:50
History, 31.08.2019 01:50