Chemistry, 24.04.2020 22:15 loveuncondition
The speed of a sound wave traveling through air is 400 meters per second. The wavelength of the wave is 25 meters. What is the frequency of the wave? A. 16 hertz B. 425 hertz C. 0.0625 hertz D. 10,000 hertz
Answers: 1
Chemistry, 21.06.2019 22:30
Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown
Answers: 1
Chemistry, 22.06.2019 07:40
22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g
Answers: 1
Chemistry, 22.06.2019 19:00
Which statement best describes what happens when molecular compounds melt
Answers: 1
Chemistry, 22.06.2019 23:00
What is the most common reason for matter changing its state?
Answers: 1
The speed of a sound wave traveling through air is 400 meters per second. The wavelength of the wave...
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