Pls answer
kim is doing an experiment with sound waves. she tested to see how quickly a...
Chemistry, 15.01.2020 18:31 isabelperez063
Pls answer
kim is doing an experiment with sound waves. she tested to see how quickly a sound wave could travel through three different materials: a metal pole, a helium balloon and a glass of water. she recorded her results. which of the following is most likely true?
group of answer choices
the sound wave traveled more quickly through the glass of water than the metal pole.
the sound wave traveled the fastest through the helium.
the sound wave traveled more quickly through the water than the balloon.
the sound wave traveled the slowest through the metal pole.
Answers: 1
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Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.
Answers: 2
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Answers: 1
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Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.
Answers: 3
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